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Old 11-06-2012, 06:10 PM
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cast iron high rise dual plane sbc

I have a 72 chev p-u. It has a 355, flat top four valve relief,s forged pistons. 194 camel hump heads. hei. headers, holley 650 vac sec. It has a cast iron high rise dual plane, with a bow-tie emblem bhind the carb. I think its off a boat. i seen one on craiglist, it said it was off a boat. Is this a good intake for my combo. i have a 87 later performer dual plane, can it be used if i redrill the 2 center bolt holes, my brother said it may work. will it, and will it help my combo? oh yea It has a very lumpy solid lifter cam, dont know the specs. but it is pretty big judging from the sound at idle.
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Old 11-06-2012, 10:05 PM
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sound at idle is not a complete story teller about the cams size
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Old 11-07-2012, 05:43 AM
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It's a good intake. Its a cast iron copy of the Holley 30-36/GM Z/28/LT-1 aluminum hi rise. It's just heavy. Ya its from a boat.
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Old 11-07-2012, 12:21 PM
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Quote:
Originally Posted by TNCHEVYMAN View Post
I have a 72 chev p-u. It has a 355, flat top four valve relief,s forged pistons. 194 camel hump heads. hei. headers, holley 650 vac sec. It has a cast iron high rise dual plane, with a bow-tie emblem bhind the carb. I think its off a boat. i seen one on craiglist, it said it was off a boat. Is this a good intake for my combo. i have a 87 later performer dual plane, can it be used if i redrill the 2 center bolt holes, my brother said it may work. will it, and will it help my combo? oh yea It has a very lumpy solid lifter cam, dont know the specs. but it is pretty big judging from the sound at idle.
Like the others side it ok but very heavy not sure how much but some stock intake are crazy heavy. I thought i had forgotten a bolt when i took the stocker off my poncho. Nope it was just 40 or so pounds of intake.

Go with the performer. Not a bad way to go. Center bolt holes can be drilled. i have seen very ugly jobs work without leaks. Best to do it right but it should not be an issue. Check ebay half the intakes on ebay are badly drilled. Go for it drill press would be even better. Use a washer if its too big on one side grind it down on the bench grinder to make sure the bolt does not trash up the intake any worse.

Wait the intake is 87 or later? Usally they have slots in them already.
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Old 11-07-2012, 01:11 PM
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Quote:
Originally Posted by TNCHEVYMAN View Post
I have a 72 chev p-u. It has a 355, flat top four valve relief,s forged pistons. 194 camel hump heads. hei. headers, holley 650 vac sec. It has a cast iron high rise dual plane, with a bow-tie emblem bhind the carb. I think its off a boat. i seen one on craiglist, it said it was off a boat. Is this a good intake for my combo. i have a 87 later performer dual plane, can it be used if i redrill the 2 center bolt holes, my brother said it may work. will it, and will it help my combo? oh yea It has a very lumpy solid lifter cam, dont know the specs. but it is pretty big judging from the sound at idle.
The issue will be getting the underside of the bolt heads to sit tight on the manifold. A little grinding on the manifold should solve this problem.

Bogie
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