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1991 Camaro 305 TBI valve train?

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Old 02-04-2016, 10:48 PM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 4 Speed Automatic
1991 Camaro 305 TBI valve train?

My grandfather is saying its hydraulic,but I've been told it uses a roller cam. Is it by chance a mix of both? Sorry for the stupid question.
Old 02-04-2016, 10:54 PM
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Car: 1992 Z28 1991 RS
Engine: LB9 LO3
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Re: 1991 Camaro 305 TBI valve train?

It's a hydraulic roller. It has hydraulic lifters with roller tips. The roller tips ride on a roller cam.
Old 02-04-2016, 11:10 PM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 4 Speed Automatic
Re: 1991 Camaro 305 TBI valve train?

Originally Posted by Ty92Z
It's a hydraulic roller. It has hydraulic lifters with roller tips. The roller tips ride on a roller cam.
So we're both right. Thank you
Old 02-04-2016, 11:16 PM
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Re: 1991 Camaro 305 TBI valve train?

Yep, if it's the factory camaro engine, it's a hyd. roller cam.
Your granddad is thinking flat tappet cams (non roller) hyd. or solid
Old 02-04-2016, 11:31 PM
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Car: 1991 Camaro RS
Engine: 305 TBI
Transmission: 4 Speed Automatic
Re: 1991 Camaro 305 TBI valve train?

Originally Posted by Night rider327
Yep, if it's the factory camaro engine, it's a hyd. roller cam.
Your granddad is thinking flat tappet cams (non roller) hyd. or solid
Ok that's sorta what I thought he meant,but it's hard to argue with him without having any proof. Thank you.
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