305 or 350
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Joined: Mar 2004
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From: clifton Park,NY
Car: 1984 Trans Am
Engine: 350
Transmission: T-5 w/3:73 gears
305 or 350
Does anyone know how to tell the difference between a 305 small block and a 350 small block without trying to get a the casting number?
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Joined: Feb 2004
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From: Stoneville, N.C.
Car: '88 IROC-Z
Engine: 305 tpi
Transmission: 700r4/OD
Is the motor in the car? Is it the motor that came with the car?
If you're talking about the appearence differences, the only way (that I know of) is pull the heads and check cylinder bore. I'm sure some of these gurus can tell you another way.
Sometimes the VIN # on the car can tell you, if it is the original engine in the car.
If you're talking about the appearence differences, the only way (that I know of) is pull the heads and check cylinder bore. I'm sure some of these gurus can tell you another way.
Sometimes the VIN # on the car can tell you, if it is the original engine in the car.
Joined: Feb 2001
Posts: 13,748
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Some of them have 5.0 or 5.7 cast into the side of the block. You can also pull a valve cover and look at the last 3 numbers of the head casting. That is only a rough idea beause some people use 305 heads on a 350.
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