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Old 12-20-2012, 06:46 PM
77pontolds 77pontolds is offline
My fourth Firebird
Join Date: Nov 2012
Location: Central, Oregon
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Pontiac 400 motor mounts

We still can't get the engine to bolt into the body. I removed a 403 Olds, and got new rubber mounts to fit a Pontiac 400. I got the engine brackets from a 400 Pontiac engine that was in a 78 Bonneville. We are trying to install the 400 in a 1977 Firebird formula. We have tried various bolt paterns on the crossmember, to no avail.. The 400 is a 1971 block. We've been at this for four days now, and have pulled the engine at least 4 times. I have never had this much trouble swapping engines before, but I'm determined to make it work!! HELP Please. Thanks, Uncle Rich
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