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View Full Version : someone to weld a external waste gate flange



ia240drifter
01-23-2012, 02:53 PM
ok so i recently picked up a aftermarket turbo manifold for my sr project motor and was wondering if its possible or even a good idea to add a external wastegate to it? info / opinions welcomed :)

AutoMods
01-23-2012, 03:36 PM
is it cast? what kind of metal? ceramic coated?

TbTalon94
01-23-2012, 06:29 PM
Show me a pic. I can weld it up for you depending on the manifold and such.

ia240drifter
01-23-2012, 07:40 PM
http:// http://www.enjukuracing.com/productimage.php?product_id=2018 ( http://www.enjukuracing.com/productimage.php?product_id=2018")

TbTalon94
01-23-2012, 07:44 PM
Could add an external gate if theres room. What turbo were you planning? It looks like a t-25 flange but picture can be deciving. It t3?

ia240drifter
01-23-2012, 07:55 PM
turbo thinking bout running is a 3071r says its a t25 flange i dont know much of anything bout turbos so i may be way in the dark on this

TbTalon94
01-24-2012, 07:37 AM
T25 flange is a bit smaller then the regular T3 flange. Most T25 flanged turbos are internally gated. I'd probably leave it that way just for cost/simplicity sake. I'm also betting the collector on that manifold isn't pretty so welding to it might be a pain. If you've got your heart set on it I can weld on an external gate flange, but in my opinion I'd leave it internal. If it works, don't change it ;)

ia240drifter
01-24-2012, 08:29 AM
thanks for the advice im not the most knowledgeable when it comes to that type of stuff i appreciate the honesty. i think i will end up getting the hks adjustible actuator saves me a couple hundred!! trevor where do u take ur manifolds to be coated?

AutoMods
01-24-2012, 09:31 AM
if your ever planning on going to decently larger turbos, the t3 flange pattern has more options

ia240drifter
01-24-2012, 11:02 AM
im hopin for 400-420 hp area which i hear is more than reachable with the 3071r.... or so ive read. Like i said i dont know a whole lot about turbos, but it seems this one will be able to hit those numbers while still having a decent spool time

TbTalon94
01-24-2012, 03:10 PM
I'm not positive but just make sure you are reading the right numbers for a T25 flanged 3071. The T3 flanged 3071 would make a bit more power being as it has a bigger hotside.

I usually have everything coated by Cool Concepts Coatings. He's done a lot for me and other locals.

AutoMods
01-24-2012, 03:31 PM
http://coolconceptspc.com/