what size injectors do I need for my TPI?
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Joined: Mar 2004
Posts: 189
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From: toccoa, GA
Car: 1968 chevy truck, 85 z/28
Engine: 355, 355
Transmission: 700r4, 350turbo
what size injectors do I need for my TPI?
I am putting a 350 in a 68 chevy truck. it has stock bore and stroke with about 9.25 to 1 compression,world s/r torquer heads with 2.02/1.6 values and 170cc intake runners 76cc chambers . the cam is comp ex 268h that has 224/230 duration at .05. i will use 1.6 rockers that will give me .509/.512 lift. i am installing a TPI set up using stock plemun that has been ported and simmeased , a BBK 52mm throttle body, SLP runners that have been ported to 42.5mm and the simease opening widen from 12mm to 22mm . The base plate is edelbrock that is ported to match felpro 1205 gasket and the entry openings ported to match SLP runners. i will use accel ignition componets and a 91 speed density wiring harnesss with 730ecm. 350 turbo trans and 3.73 rear gear.
what injectors do i need? whats the best brand? who can burn my prom for me? any advice will be helpful
what injectors do i need? whats the best brand? who can burn my prom for me? any advice will be helpful
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Joined: May 2002
Posts: 27
Likes: 0
From: Brandon, Manitoba
Car: 1988 Trans Am
Engine: 305 TPI
Transmission: T-5
22 lb injectors w/an AFPR will be good up to about 400 hp. If your going go beyond the 400 mark I would suggest 24lb'ers. You might consider a different fuel pump if your using the stock pump.
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