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Old May 7th, 2013, 09:23 PM   #1
MichiganJeeper
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Default 5.7 cracked head

Bought an 88 1500 with a tbi 350. has a cracked head was wondering do i need to buy tbi head specifically or can i use vortec heads??? any adice would help
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Old May 7th, 2013, 09:53 PM   #2
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Vortec head will not work

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Old May 7th, 2013, 10:08 PM   #3
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88 and newer will work, except vortec as previously stated. The 87 and older heads are also slightly different where the intake manifold mounts and therefore will not be a direct replacement.

Try contacting engine machine shops in your area, sometimes those places have common heads on the shelf ready to go for a good price.
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Old May 8th, 2013, 11:31 AM   #4
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You could drill your intake to work with the vortecs
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Old May 8th, 2013, 08:33 PM   #5
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Quote:
Originally Posted by bigblockford79 View Post
88 and newer will work, except vortec as previously stated. The 87 and older heads are also slightly different where the intake manifold mounts and therefore will not be a direct replacement.

Try contacting engine machine shops in your area, sometimes those places have common heads on the shelf ready to go for a good price.
Pretty much any TBI head will work. the biggest diff was in `86 when the carbs were phased out. if you use an older head the center two bolt on the intake on each side don't fit right.
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Old May 8th, 2013, 09:48 PM   #6
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you can use vortecs, just use a carbd vortec manifold and an adapter for the tbi. you can use tpi heads or anything basically but id stay away from tbi heads in general. i have 4 tbi heads, one set has a good valves and seals, the other has good castings, i have new valve seals for them too.
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