How large and engine can the 305 TPI system handle?
Thread Starter
Member
Joined: Jul 1999
Posts: 139
Likes: 0
From: Ponchatoula La 70454
Car: 1989 Firebird Formula
Engine: 305TBI
Transmission: 700R4
How large and engine can the 305 TPI system handle?
Im about to score a TPI and I need an engine to put it on. Could it flow enought to handle a 383stroker? I know the tpi is the same on the 350 just with bigger injectors. Basicly, just tell me what i can do with the TPI to give me some serious power and stay around $3500 or so, Thanks guys
Member
Joined: Apr 2002
Posts: 184
Likes: 0
From: Selinsgrove, Pa, USA
Car: 92 Camaro RS
Engine: 355 94 p/u motor
Transmission: 700R4 With TCI kit
BIgger injectors
I'ld get a set of 454 injectors and a fuel pressure regulator to handle it. Aside from that you'll probably have to replace your current fuel lines to handle the extra pressure.
A bigger Fuel pump is manditory
A custom computer chip will be needed, and larger intake runners.
Larger fuel rails too.
That should pretty much be it. I'm not sure if the intake will allow enough air in, but you'll know that when you get it built.
Good Luck
A bigger Fuel pump is manditory
A custom computer chip will be needed, and larger intake runners.
Larger fuel rails too.
That should pretty much be it. I'm not sure if the intake will allow enough air in, but you'll know that when you get it built.
Good Luck
Guest
Posts: n/a
454 injectors?
You need to get some SVO injectors probably (cheapest route), I dont think the stock 19# injectors will handle it unless its a mild 383. The fuel rails are fine. Not sure on fuel line sizes, but they'll more than likely be ok. You'll need a TPI fuel pump. The intake itself and the chip will be dependant on whats done to the engine.
You need to get some SVO injectors probably (cheapest route), I dont think the stock 19# injectors will handle it unless its a mild 383. The fuel rails are fine. Not sure on fuel line sizes, but they'll more than likely be ok. You'll need a TPI fuel pump. The intake itself and the chip will be dependant on whats done to the engine.
454 injectors :sillylol: :sillylol: :sillylol: The stock 305 TPI will choke the crap out of a 383. It will be a torque monster with lousy top end. I'd think you'd need bigger injectors. SVO injectors are a good deal. About $220 for four. For a 383, look into a LT1 intake. www.lt1intake.com
Trending Topics
Thread Starter
Member
Joined: Jul 1999
Posts: 139
Likes: 0
From: Ponchatoula La 70454
Car: 1989 Firebird Formula
Engine: 305TBI
Transmission: 700R4
i think ive got it figured out, im gonna pass on the 383 and do the exact same thing thats in sept Gm High-Tech Perfomace mag.Page 62, an article on Scoggin Dickey TPI manifolds and cams that give LS1 power levels without draining your wallet. <biggrin.gif> <biggrin.gif> <biggrin.gif> <biggrin.gif> <biggrin.gif>
Thread
Thread Starter
Forum
Replies
Last Post
Fast355
DFI and ECM
14
Dec 2, 2016 06:33 PM
beachrodder
Tech / General Engine
7
Aug 25, 2015 08:05 AM




They start around $190 but those are the lower pressure ones. 