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Old 12-22-2003, 08:09 AM
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72 camaro 454 headers

well we got into this problem Im installing a 454 ( ls6) in my 72
with headers ... The block is massive but looks good .. The valve covers are barely touching the booster ... But thats not my problem ...

well The big block Long pipe headers from hooker headers are preety big ...pipes .. infact they wont install right in ... It looks like we may have to cut a portion of the motor mount lips..as well
as the th400 lips that sticks out a bit ....

Does anyone know if all this is necessary , for this type of installation .....with the hooker Headers ( not shorty headers )


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Old 12-22-2003, 12:53 PM
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I have a 70 camaro with a 468, brodix heads, 21/8" hooker super comp headers. I did not have the problems you are describing. They went right in! Oh yea, I also have a t400.
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Old 12-22-2003, 02:29 PM
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Every situation is different... Trannys are different, some of them have the ears, some don't. Your combination will dictate what needs to be done to get the headers in. If you have to trim some stuff that's what you'll have to do... Simple as that.
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Old 12-22-2003, 05:13 PM
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If you have hooker 2" competition headers you need to use the small early style motor mounts.If you used the larger 73 and later clamshell style mounts you will need to notch the upper half of the motor mount to clear the headers.I installed my 427 chevy into my 73 firebird with early style smallblock mounts because the clamshell mounts I had in the car with the smallblock didnt fit without cutting,but early bigblock mounts fit even better.Another thing to watch is for aftermarket heads.Heads such as the dart head which has a raised exhaust port will cause header fit problems.No GM Stock type heads will cause this problem.I have never used the super comps,but they should fit with the later clamshell mounts according to what I have read.Good luck.
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