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I am STILL in the process of swapping my 2bbl for a 1904 q-jet. I read here that a plastic adapter is better for heat insulation which translates to more power. I am particularly concerned with heat, I live here in the sunny state of AZ. The adapter is for a spread to square 1" metal type. Should I take it back and search for something new? Anyone have exact part numbers?
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SJP
1978 J10 258-2V, all stock -
Which intake is this going onto?1987 J-20
Video projects for my J-20 on Youtube -
What, can't you read my mind! Sorry...
I am installing the edelbrock performer manifold. The guys at the performance shop just gave me the Mr. Gasket adapter. If I am going to spend all this time and money I want to do it right.SJP
1978 J10 258-2V, all stockComment
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You probably won't find a plastic adapter at the parts store. More than likely it would be through someplace like Summit Racing or other catalog types. However, you should be able to get by fine with a thick gasket on both sides of the adapter. As a last resort you do what I did and have a machine shop machine out the block from a slab of phenolic.Comment
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Yeah; while a plastic isolator might be ideal ,I imagine that it would be quite hard to find. Double-up on greased gaskets, then put Loc-Tite on the fasteners and tighten very gently and evenly.
:-"Carpe Mañana".
'83 Wagoneer
360, .030-over, K8600 cam, Crane springs, ported heads, Edelbrock Performer, G.M. TBI, TFI, 3" exhaust,
T-18a/208, D44/AMC 20 w/ limited slip in both, 3.73s, 33s, BDS 4" springs, Rancho 9000 shocks, etc., etc.Comment
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Q-Jets are pretty resistant to heat. There are insulated heat-shield kits for Q-Jets that have layers of aluminum and fiber-based gaskets, so you can add them to your heart's content, or until your air-cleaner hits the hood.
But Summit and Jegs both have the phenolic adapters.1987 J-20
Video projects for my J-20 on YoutubeComment
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Does the Q-jet fit a Edelbrock Performer intake? Or does it take an adaptor to make it work?No FSJs for the time being - "I'm working on it, I'm working on it" (think Mike Meyers' SNL skit about the gut)Comment
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Summit lists a heat shield for a spread bore part # 720-3712 at $21.99.
41 MB<br />46 CJ-2A 307,T90,D18,27,44,4:27\'S<br />64 Traveler, 350,sm465,np205,44\'s w/4:88\'s, spool, 34X9.50 TSL\'s,3\" factory lift, Line-x interior, PS, Dual Optima\'s, custom overhead console,Warn XD900i,custom bumpers<br /><a href=\"http://images.andale.com/f2/116/106/4651773/1009696569938_64trvlrconsolegrp.JPG\" target=\"_blank\">Overhead C
STOLEN! Dana 300 Twin StickComment
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