C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old Nov 27, 2004 | 11:51 AM
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I need to replace my fuel injectors and roller lifters. I think my stock injectors are 21# and have worked ok to this point, I just think with my mileage the car will run better and smoother. Do you think these will work alright with my setup? Also what brand and type of Hyd. roller lifter do you all recommend?
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Old Nov 27, 2004 | 12:07 PM
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On an L98 they are 22lb/hr at 43.5psi and on an LT1 they are #24lb/hr (I believe). If you don't have any injector trouble symptoms, don't replace them.

Comp Cams makes quality lifters, has good pricing and has next day delivery.

What year Vette?

Do you have any idea of how much gain you got from the 211 cam & 1.6s?

Last edited by 65Z01; Nov 27, 2004 at 12:09 PM.
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Old Nov 27, 2004 | 01:10 PM
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Originally Posted by 65Z01
If you don't have any injector trouble symptoms, don't replace them.
If the injectors' coil resistance is still good and the fuel rail holds pressure, no need to replace them.

Ben
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Old Nov 27, 2004 | 03:06 PM
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question: why do you want to change your lifters? I started a thread asking how you can tell if they are bad, any additional insight?

thanks...
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Old Nov 28, 2004 | 08:42 AM
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Originally Posted by TankerVette
question: why do you want to change your lifters? I started a thread asking how you can tell if they are bad, any additional insight?

thanks...
I one that is making a slight ticking noise, its not the injectors, its one of the lifters. When I built the motor I reused the stock ones. I have around 5K miles on the new motor and its started making the noise. Also the engine seems to have lost some zip. Just thought maybe I wasn't getting the lift because of weak lifters.
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Old Nov 28, 2004 | 08:45 AM
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What year Vette?

91

Do you have any idea of how much gain you got from the 211 cam & 1.6s?[/QUOTE]

I haven't had it on a dyno, but it sure feels alot stronger, at least when I first got it back together. The motor has lost some zip so I thought it may be dirty injectors, and or weak lifters. As stated above.
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