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jik
09-13-2003, 23:37
Can I swap a 1991 hummer gm 6.2 litre engine in my 1989 Silverado gm 6.2 litre. Are the crankshaft the same? Or am I going to have trouble installing to transmission?

Dieselboy
09-14-2003, 07:38
Welcome to the forums jik,

Other than the intake and exhaust manifolds, it's all the same.

[ 09-14-2003, 07:59 AM: Message edited by: Dieselboy ]

jik
09-17-2003, 20:48
Do I have to buy a different intake and exhuast manifolds? Can not use stock 6.2 engine parts.

britannic
09-18-2003, 05:26
Stock 6.2L parts will be fine, the Hummer used exhaust manifolds that won't fit the truck frames and the turbo version used a special intake with a center mounted turbo on some of them. I believe certain N/A intakes can be used with no problem, but obviously physically check them for it.

Dieselboy
09-18-2003, 15:29
I think that crew84 had used a single plane hummer intake on his turbo project. I haven't looked at my hummer intake in a while (it's sitting in a box), but the only difference that I remember was that the studs were located at 3 & 9 o'clock rather than 12 & 6.