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View Full Version : mid 9 second turbo ls1 rx7 fc



AutoMods
07-20-2011, 12:28 PM
Motor is...


.030 over 6.0 - - 370ci
Scat H beam forged rods
Manley forged pistons
Clevlite77 bearings
LS2 crank
Hellfire rings
Ported LS6 oil pump
Rollmaster double roller timing chain
GM MLS 5 layer HG's
ARP fasteners

L92/LS3 heads
Comp 918 valve springs
Ti retainers
SS intake valves
Comp hardened pushrods
GMPP valve covers (coils in car now)

Isky 232/242 on a 113 cam

L76/LS3 intake
PTM 90mm TB
65lb injectors

turbonetics TC78, 1.15 divided hotside, F1 trubine

http://i152.photobucket.com/albums/s167/rotary1307cc/370/IMG_0741.jpghttp://i152.photobucket.com/albums/s167/rotary1307cc/370/IMG_0024.jpg
http://i152.photobucket.com/albums/s167/rotary1307cc/370/IMG_0017.jpg
http://i152.photobucket.com/albums/s167/rotary1307cc/370/60assembly002.jpg
http://i152.photobucket.com/albums/s167/rotary1307cc/370/60assembly030.jpg


http://www.youtube.com/watch?v=q_7bD8ORT_w&feature=player_embedded#at=43

http://www.youtube.com/watch?v=mKVGExnhNV4&feature=player_embedded

full thread here http://www.norotors.com/index.php?topic=208.0

FiFdYnUtZ
07-20-2011, 02:30 PM
That powerplant is extremely similar to what I want to do in the future

Grr
07-20-2011, 05:36 PM
Hey that looks really familiar, OH if you remeber this thread

http://iowaautoforums.com/showthread.php?13509-thinking-about-doing-a-built-iron-block-ls-motor

in post #3 i wrote "I built a 91 FC with a freind with a forged 370, glide, and grannys 8.8 setup. Its 2700lbs with fuel and is nearly undriveable over 8psi" at which point fifdynutz called me biased and uninformed. This would be that very car

If you want any more info on the car just ask I picked damn near every single part on that setup, in fact he built that car after driving around my turbo LQ4 car around and me handing him his ass with the rotary repeatedly!.

His name is Zac and he lives in western ND, but I will be in fargo with him this weekend where we are gonna try to get some bottom 9s or high 8s out of it, Ill take vids!

Grr
07-20-2011, 05:39 PM
Oh I just looked at the list, and there have been some changes to the combo since

The L92s have been swapped for WCCH CNC'd LSA heads and dual springs with Ti retainers

Injectors are now Injector Dynamics 1000s running on E85 2-bar SD in open loop

The TC78 is gone in favor of a Precision 78GTS

And the TH350 is gone for a built glide with a transbrake and a PTC converter

Rear end is a Grannys 8.8 with all the options and 3.25 gears

FiFdYnUtZ
07-20-2011, 06:24 PM
Hey that looks really familiar, OH if you remeber this thread

http://iowaautoforums.com/showthread.php?13509-thinking-about-doing-a-built-iron-block-ls-motor

in post #3 i wrote "I built a 91 FC with a freind with a forged 370, glide, and grannys 8.8 setup. Its 2700lbs with fuel and is nearly undriveable over 8psi" at which point fifdynutz called me biased and uninformed. This would be that very car

If you want any more info one the car just ask I picked damn near every single part on that setup, in fact he built that car after driving around my turbo LQ4 car around and me handing him his ass with the rotary repeatedly!.

His name is Zac and he lives in western ND, but I will be in fargo with him this weekend where we are gonna try to get some bottom 9s or high 8s out of it, Ill take vids!

Don't even begin to make it sound like I was talking about that car... It was an iron block conversation and obviously this car has a set up like I want to build billy badass.... I realize that you think you're the f body king but seriously get a fucking clue....now everybody pat Grr on the back for being besties with this guy

Grr
07-20-2011, 08:11 PM
where this car comes into play is the fact that the TC76-78 just dont work with the extra cubes. At 8psi the backpressure was very high, try 2.5:1, and since the OP has a turbonetics I frown on the idea of putting a iron block in just for more cubes, when it is actually more of a hinderance than a benefit.

take a joke much BTW? I never said i was a Fbody king, I just dont appreciate when I have done the work and have similar results and people disregard it for no reason other than to illicit internet cred

sparkles
07-20-2011, 08:19 PM
What you talking about. Fifdy has an LS1! He knows it ALL. Plus he read stuff somewhere once about something to do with LS motors. WAY more experienced than actually doing it like yourself has shown. You best recognize who the god of LS power is on this site...not you buddy. Continue.

sparkles
07-20-2011, 08:25 PM
http://www.epicfail.com/2011/07/20/japan-win/

FiFdYnUtZ
07-20-2011, 08:29 PM
Haha don't mind sparkles our resident douche bag now that charlie is gone..sorry for my comment I was going at you a little strong
Btw sparkles why haven't any of us seen you OR your car since you have been on this site?

Deimos
07-20-2011, 08:32 PM
Haha don't mind sparkles our resident douche bag now that charlie is gone..sorry for my comment I was going at you a little strong
Btw sparkles why haven't any of us seen you OR your car since you have been on this site?

Not true I have seen his car. But I guess tht doesn't say much since no one has seen mine...

JustinS
07-20-2011, 08:52 PM
I've seen pics of sparkles car too.

Nice rx7 btw, makes me want to drain my house fund.

sparkles
07-20-2011, 08:55 PM
Come down to DSM and see it big guy :)

JustinS
07-20-2011, 08:56 PM
Sucks about your back window. I'd post on ds, but my fucking account is locked out because my email is out of date and don't remember my password.

sparkles
07-20-2011, 08:58 PM
BTW, don't mind 50 either. He's the resident "I put a nitrous kit on a LS motor once and have a subscription to Chevy Performance so bow down" guy.

Deimos
07-20-2011, 09:00 PM
GM High Tech is more LS1 based, so back window? I have a back window for sale...

sparkles
07-20-2011, 09:08 PM
Already grabbed another one...unless you're giving it away.

sparkles
07-20-2011, 09:10 PM
Only time my car has been that way was when I was buying my truck in Bell Plain...sorry you missed it.

Deimos
07-20-2011, 09:11 PM
nope although make ya a hell of a deal on a backhalfed camaro

Clinical
07-20-2011, 09:13 PM
I'll be in DSM Aug11-14th. I wanna see what a fast third gen looks like!

sparkles
07-20-2011, 09:36 PM
Better check elsewhere then. My shit's weak ;)

sparkles
07-20-2011, 09:48 PM
http://www.youtube.com/watch?v=VNKyG4C2VlA

AutoMods
07-20-2011, 09:49 PM
where this car comes into play is the fact that the TC76-78 just dont work with the extra cubes. At 8psi the backpressure was very high, try 2.5:1, and since the OP has a turbonetics I frown on the idea of putting a iron block in just for more cubes, when it is actually more of a hinderance than a benefit.

take a joke much BTW? I never said i was a Fbody king, I just dont appreciate when I have done the work and have similar results and people disregard it for no reason other than to illicit internet cred

8psi seems to be too low to say you've maxed out a t76 with a f1 68 turbine wheel. but it kind of depends on the heads and cam but 8psi seems low to have maxed the turbo. a t76-t78 is not exactly a small turbo. its seems to be the entry level turbo of choice for ls1's and ls2's but it is far larger than an oem turbo would be for a similar sized motor. Hopefully drifte will post his oem turbo spool video that thing is crazy responsive. The imports seem to push small turbos really hard and don't seem to log backpressure much. seems like the v8 guys like to log backpressure more often.

my t72 has some lag and I know even the 6.0's have some lag with a t76. I've heard of the tc78 making 900whp on a ls1. the 6.0 is only 5% more displacement.

also the turbo is cheap and easy to change so I would pick the turbo based around the motor not build a motor around the turbo.

FiFdYnUtZ
07-20-2011, 10:39 PM
Well considering I built my car literally from the ground up out of high school into a car that was actually IN GM high tech performance and would put a dirty cock slapping on your pile of Shit on the street OR the track...id say I can do more then throw a spray kit on....and yes I know what you have.

sparkles
07-20-2011, 10:44 PM
Oh trust me...I've heard all about your "wave" machine as well ;)

I'd hope you'd know. I've made it no secret.

FiFdYnUtZ
07-20-2011, 10:50 PM
Shut the fuck up and get a lane. /end discussion

Drifte
07-20-2011, 10:58 PM
How are you determining the back pressure is to great Grr? And what RPM did the turbo hit full boost?

AutoMods
07-20-2011, 11:00 PM
problem with auto's and the stalls its hard to look at or compare spool times because they load the car up differently depending on the stall

sparkles
07-20-2011, 11:25 PM
Shut the fuck up and get a lane. /end discussion

Awe...got nothing else clever cupcake? Just another fine example of how you being called out on your douchery turns into the "oh yeah, let's change the subject to your car" argument. Tell you what. Whenever you want to compare assets, let me know pumpkin. Till then, keep on nutswingin.

Grr
07-21-2011, 06:18 AM
it was not maxed out at 8psi, but that is about where it was most efficient. It definately made more power but it has been proven a number of times that from 8 to 12psi (12 is about all you will get on a built 370) the backpressure nearly doubles. There is no problems with the compressor, the turbine wheel and housings availible are a massive choke point. You have to remember that this motor was making a good 500whp N/A, 12psi I would guess closer to 740whp, but it was quite noticeable that it would fall over at +5k rpm.

Full boost came around 3500, but as predicted the 78GTS is only 200rpm or so later and makes MUCH more power, close to 100whp more. If it will grip I plan on taking it up to 16# this weekend, it is at 14 currently and I havent been in a car that fast for a long time.

FiFdYnUtZ
07-21-2011, 06:30 AM
Awe...got nothing else clever cupcake? Just another fine example of how you being called out on your douchery turns into the "oh yeah, let's change the subject to your car" argument. Tell you what. Whenever you want to compare assets, let me know pumpkin. Till then, keep on nutswingin.

You know damn well I well I will Shit talk with the best of them all day long...its just getting old with you...say what you want I know what people on here really think of you...just stfu and enjoy your "assets"

DustinsDuster
07-21-2011, 09:10 PM
http://www.youtube.com/watch?v=VNKyG4C2VlA

again, i wish there was a "like" button. its great towards the ends when he really starts stomping. hilarious.

Domestic Disturbance
07-21-2011, 10:06 PM
Easy guys, I'm enjoying this turbo discussion

ryans1000
07-21-2011, 10:11 PM
test

AutoMods
07-21-2011, 10:13 PM
ohh shit, slow ride unlocked the thread. didn't think I would ever see him use his moderator privileges

slow ride
07-21-2011, 10:16 PM
What can I say, I get a few beers in me and wha-lah I had to see if it still worked :)

AutoMods
07-21-2011, 10:25 PM
What can I say, I get a few beers in me and wha-lah I had to see if it still worked :)

ha ha, beers and a little Mary Jane

goldluderay
07-22-2011, 08:21 AM
car looks freaking sweet...i have seen it before on other forums somewhere...
i like the flat paint hood...looks fitting for it

sparkles
07-22-2011, 07:53 PM
Well considering I built my car literally from the ground up out of high school into a car that was actually IN GM high tech performance and would put a dirty cock slapping on your pile of Shit on the street OR the track...id say I can do more then throw a spray kit on....and yes I know what you have.

Care to prove yourself?

c_mart_28
07-22-2011, 08:47 PM
Care to prove yourself?

uh oh...

FiFdYnUtZ
07-23-2011, 09:05 AM
Care to prove yourself?

Absolutely...

sparkles
07-23-2011, 12:17 PM
Come on down then cupcake. Aug 13th work for you? Bring your wallet. We're needing money for the Bud tent at the fair. And yes...I'm being serious.

AutoMods
07-23-2011, 12:56 PM
ohh shit, sparkles calling out fifdy?

http://blogs.voices.com/voxdaily/couple-scared-popcorn.jpg

LT1Dan
07-23-2011, 01:07 PM
http://blogs.voices.com/voxdaily/couple-scared-popcorn.jpg

http://www.badassoftheweek.com/godzilla.jpg

Godzirra!

FiFdYnUtZ
07-23-2011, 01:34 PM
Come on down then cupcake. Aug 13th work for you? Bring your wallet. We're needing money for the Bud tent at the fair. And yes...I'm being serious.

Where is "down"? Cfr? I have a wedding on the 13th but we can definitely get something figures out...how much?,,

JustinS
07-23-2011, 01:41 PM
Sparkles is in DSM

FiFdYnUtZ
07-23-2011, 01:54 PM
And he thinks I would drive that far to race his punk ass? Your mod list is in the shoot-out registration (which you also punked out on)...and honestly I have my reservations about the fact that your car is even done

sparkles
07-23-2011, 02:01 PM
Lol. You just know it all don't you. Funny you mention a wedding. That's where I was for the shootout. Trust me, I was pretty bummed not to go.

sparkles
07-23-2011, 02:02 PM
http://www.dragsource.net/board/viewtopic.php?f=1&t=11970&p=118594&hilit=gold#p118594

OldSkoolRCR
07-23-2011, 02:52 PM
Aug 5th or Aug 12th Fri Night T/T, Im may come up and drag some azz also. So pick a date Damit!

snickerlicker
07-23-2011, 03:42 PM
EddyB gonna be doorin ass as usual!!!

OldSkoolRCR
07-23-2011, 03:47 PM
Think I might run the 11.0 car all out...

snickerlicker
07-23-2011, 04:35 PM
Do it!!!

sparkles
07-23-2011, 05:02 PM
Well considering I built my car literally from the ground up out of high school into a car that was actually IN GM high tech performance and would put a dirty cock slapping on your pile of Shit on the street

Don't puss out now. I'm free Aug 13th. Bring the wave machine down and make me a liar.

Ed-Bring it down. As a matter of fact, let's just get a little DS/IAF thing going. The last one that was supposed to occur never did. Back when Jesse had the Evo and I said I would get it on with him.
http://www.dragsource.net/board/viewtopic.php?f=2&t=8558&start=90

There's a few guys around here that I'm sure would be interested.

FiFdYnUtZ
07-23-2011, 05:10 PM
Wave machine? Is that supposed to he a stab at my bodywork?

1. I'm not free the 13th
2. I'm not driving to you

Wanna meet halfway next weekend? How much money should I bring? I might even bring you a box of doughnuts to make you feel better

Deimos
07-23-2011, 05:20 PM
Sparkles I am sure if you throw up enough money fifdy would make the trip. Lord knows I would if I had a fast car.

PS- Can you be a punk if you're old?

sparkles
07-23-2011, 05:31 PM
Wave machine? Is that supposed to he a stab at my bodywork?

1. I'm not free the 13th
2. I'm not driving to you

Wanna meet halfway next weekend? How much money should I bring? I might even bring you a box of doughnuts to make you feel better

1. What date works for you pumpkin? Or should I name another weekend you have an excuse for?

2. Why not? I thought you were King Kong of the streets and track. All that nutswinging has your ego big enough to talk crap on the internet, but not show up and do what you threatened.

3. Glazed please. I'm not a fan of sprinkles. Ironic, I know.

4. You're right. It's not done. What car is. It'll be done enough to "get a dirty cock slapping" as you put it.

5. You're a punk bitch that just wants to talk shit and then when called out, wants to be a puss. Put your money where your mouth is, or, as you put it, Shut the fuck up/end discussion

sparkles
07-23-2011, 05:33 PM
Quit sidestepping it. You wanted some. I named the venue. Being married with 3 kids I'm sure my "availability" is a little less free than your McDonalds schedule. I'll be in Osh Kosh next weekend for the air show, plans with the kids the weekend after, hence the Aug 13th date.

sparkles
07-23-2011, 05:37 PM
6. Beer is expensive at the fair.

Deimos
07-23-2011, 05:41 PM
beer is so damn expensive at the fair. I spent 100 bucks last year on the shittiest food I ever ate.

sparkles
07-23-2011, 05:45 PM
Deep fried Oreos FTMFW.

Deimos
07-23-2011, 05:49 PM
I will try them this year nothing like fat fried with more fat

FiFdYnUtZ
07-23-2011, 06:17 PM
you seriously are going to try to call me out on sidestepping because i cant race on YOUR terms, YOUR date, YOUR location...give me a fucking break..and for the love of god stop calling me your girlfriends pet names..

i never once claimed to be "king" of anything, you never answered my first question, and HOW MUCH FUCKING MONEY DO YOU WANT TO RACE FOR?!?

i think your getting a little to caught up in your witty quiffs and shit talking that you actually forgot what we were talking about...

if you still cant read

I CANT FUCKING RACE THE 13th....just like you cant race next weekend...so lets find something that works for both of us?

if we can round up a group to go to dsm some weekend i will gladly cruise up there...but if this is going to be another run around bullshit shittalk fest that ends in no racing then im obviously not going to waste my precious "mcdonalds" hours on driving to our shithole capital...

and just a note; you can make ONE big post and not six little ones...

c_mart_28
07-23-2011, 08:25 PM
I'm thoroughly enjoying this.

c_mart_28
07-23-2011, 08:32 PM
I found a guy at the fair that kept my cup filled as long as I threw some ching in the tip jar. That was exciting.

FiFdYnUtZ
07-23-2011, 09:35 PM
Score!

Grr
07-25-2011, 07:04 PM
Update from this weekend, we had to do a bunch of suspension work and couldnt get out of the 10s with the tein's in the front. Rand 12.5psi on all passes, hot lapped the car a bunch of times, and it never had a single problem. We made 3 10.04 passes at 145-149 leaving on 0 boost on the footbrake and pedaling it some on the 17' DR's

So we found some stock front struts and threw em on there with the 26x9 hoosiers and a set of skinnies, first pass off the footbrake and 1psi Ran 3 passes, 9.33, 9.37, 9.30 all leaving pretty easy with 1.5x 60's

Then we threw the radials back on and went 9.9x on 17" DRs!
The car was on the limiter on the 9.30 pass at 149, we have a good 300rpm left later on and the car has a 1.3x 60 in it with some more work. Theres also around 100hp left in the motor before we run out of fuel again

I have 10 or so vids ill get up tomorrow, so for now:

http://i152.photobucket.com/albums/s167/rotary1307cc/2011-07-25_06-29-42_668.jpg

http://www.youtube.com/watch?v=grLEg3w3CtE

AutoMods
07-25-2011, 09:19 PM
wow, nicce. why were you messing with 17" dr's when you had better tires with you?

JustaGT
07-25-2011, 11:53 PM
I'm thoroughly enjoying this.

You too????? hahaha

AutoMods
07-26-2011, 12:31 AM
9.3 @ 149
http://www.youtube.com/watch?v=grLEg3w3CtE&feature=player_embedded

Grr
07-26-2011, 05:24 AM
wanted to go 9s on the DRs, thats the way it always gets driven. There is new set of welds coming and new skinnies, it will have slicks on it from now on at the track. Pretty excited to drop it off the t-brake at 5-8psi and see it hang though

Grr
07-26-2011, 06:47 PM
Couple vids from sunday, will get saturdays up tomorrow

http://www.youtube.com/watch?v=Bzojm2aL43M&hd=1

http://www.youtube.com/watch?v=0wFHVptS870&hd=1

Grr
07-27-2011, 08:11 PM
some vids from saturday

http://www.youtube.com/watch?v=NonCh8_DRJ0

http://www.youtube.com/watch?v=0ly-Q-cWUUk

http://www.youtube.com/watch?v=nIg5mmdDjho

http://www.youtube.com/watch?v=nTM_BYK4RaE

http://i214.photobucket.com/albums/cc192/Grrh77/DSC00208.jpg

AutoMods
07-27-2011, 08:18 PM
were the coilovers hurting because they didn't have enough upwards travel?

Grr
07-27-2011, 08:29 PM
yes, it had 12k springs in front and the car sat at full extension. We are gonna get some 250lb springs to put on the teins for future use

K-ville
08-02-2011, 07:05 PM
what i got out of this thread

1. I want that ls1 for my car
2. I will be around for meeting up if you guys make it down here.
3. hungry for fair food and beer

snickerlicker
08-02-2011, 08:00 PM
^ why is that?? I have a sneaky suspicion the motor you have for your car will go 8's.... Just ask Big HP

K-ville
08-02-2011, 09:20 PM
I should have been more specific. i want that motor for this

http://i417.photobucket.com/albums/pp252/kvillestunter/248002_224768754216361_100000497135164_927912_6197 529_n.jpg

the ol fox just needs put together no change in plans with it