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Author
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Topic: What size valves should I go with?
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Jesse
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Member # 312
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posted
 
 
This is for my '65. The motor is a 306 with forged pistons and rods. The compression ratio is around 10:1, but I'm not exactly sure what it is because I put 289 pistons with a 302 crank and rods. (The guy at Summit said it just upped the cr a little.) I have a Comp 280H cam. 230@.512 lift. I will be buying the assembled Edelbrock Performer RPM heads. 2.02/1.60 or 1.90/1.60?
Jesse
Posts: 1342 | From: Pleasanton, CA | Registered: Jun 2001
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Stimson
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Member # 51
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Why are you going with the performers????
Posts: 2373 | Registered: Jun 2000
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cegan
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Member # 3185
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posted
I agree, look @ AFR 165 or 185 and Brodix 5.0 CNC Ported.
Posts: 70 | From: Santa Rosa, Union City | Registered: Aug 2003
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BlackNGold
CaliforniaFords.com
Moderator
Member # 655
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posted
quote:
Originally posted by st5150:
Why are you going with the performers????
Umm, that wasnt the question.. ![[Razz]](tongue.gif)
I'd go with 1.90/1.60's....You might run into valve clearance with 2.02's...I think you'll end up with more horse power with the 1.90's too...
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-SLOWER TRAFFIC KEEP RIGHT-
Posts: 5132 | From: Bay Area, CA | Registered: Dec 2001
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Jesse
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Member # 312
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posted
I am going with the Performers because they have the right price. Show me a set of AFR's completely assembled for $1040 with no tax and I might change my mind.
Rob, I was thinking of going with the smaller valve to be on the safe side as well. You are not the first person to tell me that I will probably make more power (esp. low end tq.) with the smaller valve.
Jesse
Posts: 1342 | From: Pleasanton, CA | Registered: Jun 2001
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season'd 88
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Member # 169
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Hey Jesse, your car will run great with the parts you listed. I would choose the smaller(still bigger than factory)1.90 intakes as well. I have seen/felt great results in two entirely different cars running that same cam,btw. Good luck
Posts: 1383 | Registered: Feb 2001
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Stimson
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Member # 51
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posted
Jesse- for that price range, I would suggest you consider Trick Flow Twisted Wedge heads.
Posts: 2373 | Registered: Jun 2000
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