Is my carb big enough for a cam upgrade? - Team Camaro Tech
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post #1 of 3 (permalink) Old Aug 26th, 08, 10:14 PM Thread Starter
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Dave
 
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Location: San Diego
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Is my carb big enough for a cam upgrade?

Current setup is a 350, forged pistons, port/polished stock heads, edelbrock manifold, 1 5/8" headers and Holley 670 Avenger, 9:1 CR and TH400 with 2500 stall.

I am runninga Comp Magum 280H Flat Tappet Cam
230/230 @.050" lift
valve lift w/ 1.5 rockers .480/.480"
LSA 110


I want to get more RPM and rougher idle without loss of driveability. I am considering a Comp 286H
236/236 @.050"
valve lift .490/.490"
LSA 110

Will my Holley 670 give me enough fuel?

1967 Camaro, Indigo blue, LS3 & 6L80 trans

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post #2 of 3 (permalink) Old Aug 26th, 08, 10:17 PM
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Steve
 
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Re: Is my carb big enough for a cam upgrade?

Yes.

'69 Camaro - 429 SBC Dart Iron Eagle 9.325" block, Crower crank, Crower 6" billet rods, Ross pistons (10:1), Total Seal rings, AFR 245 heads, T&D steel body shaft rockers, Cloyes Timing set, custom ground 4-7 swap solid roller 274/286 @ .050" with .704" lift, Dart single plane, Holley Dominator EFI on E85, Injector Dynamics ID2000 Injectors, Stef's #1705R oil pan, F2 Procharger, Lemons 2" primary 4" collector, ATI 9" blower converter
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post #3 of 3 (permalink) Old Aug 26th, 08, 11:49 PM
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Ron
 
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Re: Is my carb big enough for a cam upgrade?

Sounds like a Good Combo for a 350. I would go any bigger on either the Carb or Cam. A 327 and 302 can take a bigger Carb and Cam but generally run a 10.5:1 Compression to make Hp at higher revs for lack of torque.

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