Opinion needed regarding a car

[Brutuskend]

Originally posted by: PG

Originally posted by: Brutuskend
BTW: Just so you know.

8:1 pistons means 8 to 1 compression ratio = HIGH octane fuel!

Larger cam means. There are two figures that make up a cam specs. Lift (the distance the cam opens the valve) and duration (The amount of time the valve stays open) A larger cam means one or both of these specs have been changed. Usually both.

8:1 is not high compression in my opinion. I don't know the exact specs for that engine, but stock should be at least that high if not more. In the late 60's high compression meant 10:1 or 11:1. Some current performance cars near that too.

A big cam with low compression could mean worse performance, especially at lower RPM, but who knows what has been done with this car. Better check into the details more.

Most cars after the 70's use concave / low compression pistons. Though 8:1 is not what I would call HIGH compression, IE Pop Up pistons, they are still higher compression than stock.

 

[SearchMaster]

Those early 80s Vettes were dogs.

 

[Vic]

8:1 is low compression.

Lumpy cam + low compression pistons = no bottom-end torque. IIRC, the stock CR was 9.5:1

Regardless, the '84 Corvette is probably the worst of all model years. It made only 205 bhp stock and proved to unreliable. It was also (unfortunately) one of the most popular years, with over 50k units sold, because it was the first year of the C4's and because there was no '83 model year. I would avoid.

 

[Cable God]

Originally posted by: Brutuskend
BTW: Just so you know.

8:1 pistons means 8 to 1 compression ratio = HIGH octane fuel!

Larger cam means. There are two figures that make up a cam specs. Lift (the distance the cam opens the valve) and duration (The amount of time the valve stays open) A larger cam means one or both of these specs have been changed. Usually both.

8:1 will not require anything higher than 87 octane. 9.5:1 or higher WILL though.

 

[Squisher]

I would also vote avoid, unless you wouldn't mind retro-fitting another type of induction system in there. An intake and carb might set you back $500.

 

[CRXican]

wow, that's really low compression, car will be boring without FI

don't waste your money

 

[robphelan]

84 = bad year for 'vettes