anybody run windsor jr heads

Discussion in 'Drag Racing' started by JHodges, Jan 23, 2010.

  1. JHodges

    JHodges thumper

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    If so how did they work. Seco has a set for $715 and they are assembled. I looked up the flow numbers and they were not that great. I was mainly wondering how they would do on a race engine
     
  2. valleyracer

    valleyracer Member

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    I have been running them for 2 years now and am happy with them!
    best et 11.60 at 115
     
  3. JHodges

    JHodges thumper

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    if you don't mind me asking what are the specs on your engine. I was told they were basically gt40p's but not sure
     
  4. greasemonkey

    greasemonkey Burnin corn

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    I run the jr's too. Been good heads.
     
  5. JHodges

    JHodges thumper

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    how fast have you gone with them
     
  6. greasemonkey

    greasemonkey Burnin corn

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    7 teens on slicks and 7.50 on street tires. With mufflers and all the required street stuff. Im sure with more gear and compression it'd go 6's,i just never wanted to put more gear in it for the street. The only thing i didnt like on mine is the 6901's were a difficult fit and the springs werent much.
     
  7. valleyracer

    valleyracer Member

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    306 cu in with 9-1 compression LW Kieth Black flat tops on scat H-beam rods. Hydraulic Compcam Extreme Energy,:) Victor Jr intake with Holley 650DP. This made 345 horsepower at the rear wheels on the dyno 2 years ago, it makes a little more now that it's loosened up a bit!
     
  8. JHodges

    JHodges thumper

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    dang thats impressive. I saw in some older posts that your car is backhalved. Did that make a lot of difference at as as et goes
     
  9. valleyracer

    valleyracer Member

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    The car runs very consistent and hooks up hard 1.50 60ft time, the package is different than 2 yrs ago! Bigger gear 5.14 vs 4.56 and 5000 stall converter...it is faster now and shifting at 7000 rpm going 7200 at the top end!
     
  10. JHodges

    JHodges thumper

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    cool. I will probaly end up with gt40's or gt40p since I am on a tight budget. I saw in some old postrs that you were using spark arms to keep from burning plug wires and I was wondering where you got them
     
  11. valleyracer

    valleyracer Member

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    www.wrenchrat.com is where I got them...great product!
     
  12. JHodges

    JHodges thumper

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    how much where they. I can't find a price on their site
     
  13. valleyracer

    valleyracer Member

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    I got 4 of them on the driver side at $ 60 2 years ago...they work great and never had any issues with them!
    Call him and see what he can do for you? I am going to get 4 more and keep them in the tool box...cheap insurance!:)
     
  14. murphy88

    murphy88 Member

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    yes dart Jr are good heads..we run them on stock car..351W..380 hp with gt 40 heads 420hp with dart Jr..500 2bl carb ..engine dyno
     

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