injector's with 5.0 combo?
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Joined: Sep 2008
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Car: 89 Formy
Engine: carbed 355ci
Transmission: A4
Axle/Gears: 3.73 10 Bolt
injector's with 5.0 combo?
hi guys..im in the middle of building(at the shop) my 305 for my 88iroc...they have most of the motor together...but my problem is im not sure what size/brand injectors to use?
trickflow 56cc 175
comp cams roller 218/224 at 50 - 502/495 lift
Holley stealth ram intake
stock displacement 5.0
thx bill
trickflow 56cc 175
comp cams roller 218/224 at 50 - 502/495 lift
Holley stealth ram intake
stock displacement 5.0
thx bill
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From: Minneapolis, MN
Car: currently a 91 G92.
Engine: 305TPI
Transmission: Borg Warner WC 5 speed
Axle/Gears: 3.42
Re: injector's with 5.0 combo?
Go with the 24lbs. Call Jon at FIC, he can hook you up with a set of Bosch Design 3 with modified bases to fit the TPI. I know he offers them because I asked him when I was buying mine, but decided to go with the 22s for my application.
And yes, you will need to get it tuned.
And yes, you will need to get it tuned.
Thread Starter
Member
Joined: Sep 2008
Posts: 240
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Car: 89 Formy
Engine: carbed 355ci
Transmission: A4
Axle/Gears: 3.73 10 Bolt
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Joined: Mar 2004
Posts: 923
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From: Bakersfield, CA
Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: injector's with 5.0 combo?
ya they will fit, but some people say you need to buy the gm o-rings for the injector to get them to seal right, i used the ford o-rings that came with mine on 3 differerent camaros and never had a problem, but others had different experiences, just something to think/search about.
Thread Starter
Member
Joined: Sep 2008
Posts: 240
Likes: 0
Car: 89 Formy
Engine: carbed 355ci
Transmission: A4
Axle/Gears: 3.73 10 Bolt
Re: injector's with 5.0 combo?
ya they will fit, but some people say you need to buy the gm o-rings for the injector to get them to seal right, i used the ford o-rings that came with mine on 3 differerent camaros and never had a problem, but others had different experiences, just something to think/search about.
thx!

if i ever decide to go with a higher lift cam(around 560/570)...would the 24lbs be ok?
Senior Member

Joined: Mar 2004
Posts: 923
Likes: 2
From: Bakersfield, CA
Car: 91 Z28
Engine: 383 SuperRam
Transmission: ProBuilt 700r4
Axle/Gears: G92 3.23
Re: injector's with 5.0 combo?
ya they will be fine, but you will need to tune it again. im surprised you went with such a small duration cam with using the holley stealth ram intake.
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From: Hurst, Texas
Car: 1983 G20 Chevy
Engine: 305 TPI
Transmission: 4L60
Axle/Gears: 14 bolt with 3.07 gears
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