Easy Engine Identification
Senior Member
Joined: Dec 2000
Posts: 516
Likes: 0
From: Mission Viejo, CA
nope, externaly they are the same block. The only way would be by the VIN # or if it's a TPI the color of the injectors, assuming they still have the stock injectors. You could take the crank out and verify it that way but thats not really easy is it? 
Supreme Member
Joined: Dec 1999
Posts: 1,237
Likes: 1
From: Reno, NV
Car: yep
Engine: uhuh
Transmission: sure does
Casting numbers at the rear of the block on the drivers side, on the ledge at the bellhousing.
Some even have 5.0 or 5.7 cast into the block.
I have seen the casting numbers on the passenger side in the rear, but not often.
Take the number and post it here or go to www.mortec.com, they have them there.
------------------
ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
[This message has been edited by Engineboy (edited July 31, 2001).]
Some even have 5.0 or 5.7 cast into the block.
I have seen the casting numbers on the passenger side in the rear, but not often.
Take the number and post it here or go to www.mortec.com, they have them there.
------------------
ASE Mechanic/Machinist/Smog Tech
1999 NBM Trans Am
1986 Chevy 3/4 ton pick up
1981 corvette
1995 Kawi ZX6R
and 2 POS commuters...
R.I.P. #3
"He can see air"
[This message has been edited by Engineboy (edited July 31, 2001).]
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