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7 Visitor Messages

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    Did you get my emails?
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    How's everyone doing in mission?
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    Hey how did you make out?
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    hey ever heard of henry hearn?
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    dude, did you get your car down the track yet how did it work?
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    If there is anything you can reccomend for me that I should consider for this build please let me know...Other bits of info...Have new waterpump, oilpump, using a 670 Avenger carb...might be a little light? It is going into a 97 SB Silverado...
  7. View Conversation
    Hi there,
    I have a few questions for you as you seem to have the knowledge I need to answer my questions.
    I have an 05 5.3 Chev engine with very low kms. I have purchaced a set of 05 LS2 heads complete from Carlos @CVS, An Edelbrock performer RPM carb conversion kit with their version of the MSD box and wiring, the cam is a Comp cams XR275HR-12.
    Will the LS2 yellow springs on the 243 heads be fine with this cam? I am told they are good for .560 lift and the cam lift is in that area. 220/224 562/568
    The stock 5.3 with the stock heads have a comp ratio of 9.5-1 with the 61 cc comb chamber and the 243 have a approx 64 cc comb chamber so I will go down to 9.1-1 comp with these heads.What is a safe amount I can mill these 243 heads down such that I can try and keep my ratio of 9.5-1? maybe a .020 to .030 milling would help with a thin head gasket?

    I will gladly stop by some day with a case of your favorite beverage for your help.

Showing Visitor Messages 1 to 7 of 7
About HorsePowerSolutions

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July 18, 1986 (32)


Grudge races gladly accepted

Best Et: 8.47@164.5 on 275 drag radials(CD1)

Best ET:7.54@191.5 on 315 drag radials (CD2)
So far on 275s (3460lbs)4.76@152 (72mm turbos)


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