Compression test on the 3.4

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Jul 15, 2006 | 06:40 PM

Dale

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From: AR

Car: 1991 Camaro RS Vert

Engine: 350 S-TPI

Transmission: T5

Axle/Gears: GU5/G80/J65

Compression test on the 3.4

You guys with the 3.4 blocks, what numbers are you getting for compression test? 100-125-135-140-higher?

Still trying to find my vac leak here and this will be helpful.

I also sent a tech question to milling co. asking if the mtc5 is a steady vac cam, or flux vac cam

:beatsheadondesk:

Jul 16, 2006 | 01:20 AM

Paranoid

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Joined: Feb 2006

Posts: 67

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From: Auburn, WA

Car: '89 Firebird XS

Engine: 2.8l MPI

Transmission: auto 4 speed

iirc i was getting about 160 in each cylinder (on stock cam)

Jul 16, 2006 | 04:07 PM

Dale

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iTrader: (12)

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From: AR

Car: 1991 Camaro RS Vert

Engine: 350 S-TPI

Transmission: T5

Axle/Gears: GU5/G80/J65

Thanks, I dont think the cam will change it, just the worn rings/milage on engine.

Anyone else?

Jul 19, 2006 | 08:33 PM

AM91Camaro_RS

Supreme Member

Joined: Dec 2002

Posts: 2,564

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From: Central FL

Car: 91 Camaro

Engine: 3.1...not hardly stock

Transmission: 700r4....not stock either

Axle/Gears: 3.73

I just ran a CR test the other day and I was getting about 190 on each cylinder. BUT, that's with dome pistons and (more importantly) new rings. Really, this info is a little irrelevant to most people here but just cause Dale asked for "anyone else"