procharged tpi need new bigger injectors plz help
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Junior Member
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Joined: Feb 2010
Posts: 45
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From: Northern Wisconsin
Car: 1988 TRANS AM procharged
Engine: 305 procharged TPI with 5 speed
Transmission: 5 speed
Axle/Gears: 3:73
procharged tpi need new bigger injectors plz help
ok I have reached my limits of boost and my injectors are maxed out under boost...I am looking at h=getting a set of 42 bosh greens and was wondering if they will work for me.. I have a edelbrock lower and mid plenium and factory fuel rails and was wonder if they would work for my application..i have a megasquirt so im not worried about the tunning issue please let me know if they will work for me without any problems
if you cant get aholfd of me on here just txt me 715-216-4633 john
if you cant get aholfd of me on here just txt me 715-216-4633 john
Senior Member




Joined: Mar 2014
Posts: 571
Likes: 10
From: Indy
Car: 88 IROC-Z
Engine: GEN 4 LY6 (going forged 408)
Transmission: 60E (going RPM LEVEL 6 4L80E)
Axle/Gears: 7.5" 3.42 (staying...)
Re: procharged tpi need new bigger injectors plz help
We are going to need to see pics of this land rocket.
<---has a Procharger too
<---has a Procharger too

Thread Starter
Junior Member
iTrader: (1)
Joined: Feb 2010
Posts: 45
Likes: 0
From: Northern Wisconsin
Car: 1988 TRANS AM procharged
Engine: 305 procharged TPI with 5 speed
Transmission: 5 speed
Axle/Gears: 3:73
Re: procharged tpi need new bigger injectors plz help
no need for pics just need to know if these will fit my application
Senior Member




Joined: Mar 2014
Posts: 571
Likes: 10
From: Indy
Car: 88 IROC-Z
Engine: GEN 4 LY6 (going forged 408)
Transmission: 60E (going RPM LEVEL 6 4L80E)
Axle/Gears: 7.5" 3.42 (staying...)
Senior Member




Joined: Mar 2014
Posts: 571
Likes: 10
From: Indy
Car: 88 IROC-Z
Engine: GEN 4 LY6 (going forged 408)
Transmission: 60E (going RPM LEVEL 6 4L80E)
Axle/Gears: 7.5" 3.42 (staying...)
Re: procharged tpi need new bigger injectors plz help
Still waiting for pics-
Senior Member

Joined: Sep 2006
Posts: 573
Likes: 9
From: San Antonio, Tx
Car: 1988 Camaro IROC-Z
Engine: LB9 (305 TPI)
Transmission: 700R4
Axle/Gears: 2.73 Positraction
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Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: procharged tpi need new bigger injectors plz help
Re: procharged tpi need new bigger injectors plz help
Usually they fit. On Vettes sometimes they require double orings. Google and search on YouTube "Bosch 3 on Tpi". I have installed more than I cam count on tpi
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: procharged tpi need new bigger injectors plz help
Hmm double orings may do it. I will have to see
Joined: Jul 1999
Posts: 1,992
Likes: 10
From: CT
Car: 1986 Camaro SC
Engine: 305 TPI Procharged D1SC
Transmission: Tremec TKO-600
Axle/Gears: Moser 12 Bolt 3.73 posi
Re: procharged tpi need new bigger injectors plz help
ok I have reached my limits of boost and my injectors are maxed out under boost...I am looking at h=getting a set of 42 bosh greens and was wondering if they will work for me.. I have a edelbrock lower and mid plenium and factory fuel rails and was wonder if they would work for my application..i have a megasquirt so im not worried about the tunning issue please let me know if they will work for me without any problems
if you cant get aholfd of me on here just txt me 715-216-4633 john
if you cant get aholfd of me on here just txt me 715-216-4633 john
Re: procharged tpi need new bigger injectors plz help
Joined: Sep 2003
Posts: 25,895
Likes: 429
From: Pittsburgh PA
Car: 89 Iroc-z
Engine: 555 BBC Turbo
Transmission: TH400
Axle/Gears: MWC 9” 3.00
Re: procharged tpi need new bigger injectors plz help
I did get them to fit with double lower o rings stock oem tpi setup. Car ran so far and no leaks i can see or smell
Re: procharged tpi need new bigger injectors plz help
Yes well youneed the double orings on a stock set up. Once you start getting intoaftermarket intakes that’s when the difference in height on the injectors comeinto play
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