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Old 10-18-2002, 12:14 AM
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Angry 305 - 327 - LT1 - COMPATIBILITY

can 1972 LT1 heads work on 1980 305 block? I have a 327 (1966) ,flat top pistons,stage 3 cam, LT1 heads with s.s.vaulves, bored 30 over,Well it eat the wing nut off the air cleaner and cracked a cylinder in 2 places,So the reason for my question is that I have a 305 block and I was wondering what parts will inter-change if any???

PLEASE HELP!!!!
E-MAIL ANSWER TO- mrhugey@aol.com
THANKS!!

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Old 10-18-2002, 03:32 AM
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Don't beleave 305 will interchange, try trading off that block for another 327. Kinda like that 262 chev made, cant interchange or bore. That 305 bare block should be worth someting to the right people, isn't that the one that was in the earily Z28's?
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Old 10-18-2002, 05:14 PM
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the parts will all fit but you will lose lotsa compression with the lt-1 heads on a 305, 350 heads have approx 76 cc. 305 are much smaller
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Old 10-18-2002, 05:20 PM
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the internal parts won't fit, the 327 in 66 is a small journal, i would have the 327 sleeved and rebuild it, a lot of people hear wivestales about sleeved blocks but i've been repairing bad blocks since 65 and most sleeves are made of better material than the block is made of and properly done will last longer than the other bores.
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Old 10-18-2002, 09:43 PM
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I agree, I've always thought that boring the whole motor out and putting in all sleeves would be the way to go...that is if you could afford it Glenn k
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