85 TPI Injectors Reliable?
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Senior Member
Joined: Jul 2011
Posts: 613
Likes: 5
From: Michigan
Car: 1985 IROC-Z
Engine: LB9
Transmission: MD8
85 TPI Injectors Reliable?
As i'm ohm checking my injectors because I have a rough idle, Ive gotten exactly 16.5 on the 4 injectors ive checked so far.
Are the injectors they used in the 85 LB9 more reliable than the Multec era? Should I just clean these and see what happens? I have 101k on the car if it matters...
Are the injectors they used in the 85 LB9 more reliable than the Multec era? Should I just clean these and see what happens? I have 101k on the car if it matters...
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Joined: May 2010
Posts: 306
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From: Elm City, NC
Car: 87 IROC Z
Engine: 5.7
Transmission: 700R4
Axle/Gears: 3.27
Re: 85 TPI Injectors Reliable?
The ohm reading on the injector doesn't tell you if the injector is working correctly. Just that it's working(maybe). 101k on a set of 1985 injectors is pretty good. You've definitely got your money's worth out of them. I can't say they are the cause of your rough idle, however, IMO you are over due for a set of injectors.
Thread Starter
Senior Member
Joined: Jul 2011
Posts: 613
Likes: 5
From: Michigan
Car: 1985 IROC-Z
Engine: LB9
Transmission: MD8
Re: 85 TPI Injectors Reliable?
Im going to go thru and do plugs wires cap and rotor since I havent done them yet, then if its still acting the same (which om hoping rough idle is cured by then) I will look into a set of injectors.
Thanks for your input.
Thanks for your input.
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Car: 85 Z28 T-Top 36mm sway & wonderbar
Engine: TPI L98 350 W/85 Vette Stage II ECM
Transmission: W/C T-5, alum drive shaft
Axle/Gears: 9 bolt posi, 3:27, PBR's, BB LS1's
Re: 85 TPI Injectors Reliable?
You need to upgrade to Bosh III injectors...They are way better!!!
F.I.C. has them. 19lbs for a 305 .
F.I.C. has them. 19lbs for a 305 .
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