View Full Version : anyone knowledgeable??
12-07-2006, 02:48 PM
just curious if anyone on here has delt much with Blow Thru carbs. Dont know much about them but as always i am thirsty for knowledge. What makes a carb a "blow thru"? how do you convert a regular carb to a blow thru? (ive heard it isnt too hard with holley double pumpers)
Any other info would be cool as well.
EDIT: only after i post do i find something :roll:
12-07-2006, 02:59 PM
Might wanna ask 90 Notch, or some of the MSCA guys.
Also Malibu is doing some reading up on the whole thing...he can probably give you some good information.
12-20-2006, 12:09 AM
best way is to build a box around them and pressurize the whole thing. Otherwise I think you just need to pressurize the bowls and seal the shafts. I think both setups need a 1:1 pressure regulator too.
Maximum Boost by Corky Bell goes into it a bit.
Rollin on Dubs
12-20-2006, 12:51 AM
A carb with Annular boosters is a must! Down leg and straight leg boosters are not sesitve enough for a forced induction setup. Investing in a blow through carb and a boost refrence regulator. carb hats will go over your bowl vent tubes so everything will become pressureized.
12-20-2006, 08:37 AM
Let me know if your serious,blower or turbo?The two are diff.as far as fuel demand.Let me know i will hook you up with my bro,it's not as easy as everybody thinks!Steve o
12-20-2006, 10:37 AM
Well, i am still debating to be honest. I woulkd like to go blow thru carb for the cimplicity of it. No damn wiring/ecm or any of that shit to deal with. However i started a bit of an arguement as people say that for the $600 i will spend on a blow thru carb that i could go with a TPI setup, which in some minds is far superior to carb. I know blow thru setups are capable as if im not mistaken there is a blow thru setup that recently broke into the 7's.
Just trying to decide what would be best for me. I like having fuel injection as you get feedback and it can tell you more than a carb, however i dont know if that is worth the trouble, if i just buy a blow thru carn and have it tuned by someone who knows their shit then i wont really have to worry about it.
As of right now the plan is a Demon 850, i Will probablr be getting mine through " Vic Hubbard Speend and Marine" as they are $532 and im not to excited about ebay since some stupid bitch got a $400 hold on my paypal account.
anyways heres an ebay link to the carb i like:
http://cgi.ebay.com/ebaymotors/NEW-MIGH ... dZViewItem (http://cgi.ebay.com/ebaymotors/NEW-MIGHTY-DEMON-850-BARRY-GRANT-BLOW-THRU-CARB-BG-LK_W0QQitemZ110069799069QQihZ001QQcategoryZ33550QQ ssPageNameZWDVWQQrdZ1QQcmdZViewItem)
12-20-2006, 12:18 PM
Def wouldn't go with the demon blo-thru,i guess it depends on how much power you want to make.The demon blo-thru isn't a high horse power piece.Their to new right now.Steve o
12-20-2006, 12:36 PM
whats a good BT carb then?
12-20-2006, 12:49 PM
If I was you I'd get on stevemorrisracingengines.com, get their contact number and call it. He's a really nice guy, super knowledgable, and I believe he'll sell you a blowthrough carb you'll need based on your combination, I've talked to him before, he's really helpful.
12-22-2006, 07:00 AM
C&S all the way.Steve o
12-22-2006, 11:17 AM
As was mentioned several ppl do it for a living. However, here is a lil info on some stuff done, what has worked etc. Even if I buy something I want to get a idea of what is going on. If you have seen it already sorry... A lot of stang guys are cheap you know.
Blowthru stang carb (http://www.jason.fletcher.net/tech/tech.htm)
That other place is same link I have also. There are some forums u can ask questions so good luck.
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