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  1. poprocks440

    holley 750 too small?

    and does the 850 DP have the same diameter venturies? as a 750DP? i know the 850 will give more fuel but will it give more air also
  2. poprocks440

    any guess or opinion would be great

    i didnt do anything to the heads. and the springs are good up to .600 lift. no valve floating. i talked with my friend who was there and he thinks that we did turn the timing back to 38 when i made that 11.86 pass. im going to test n tune here in two weeks. the same day i lost my 3 tenths my...
  3. poprocks440

    holley 750 too small?

    this is my street strip car. with the 3.91s i shoot the traps at 6000. my 60 foots are 1.66 to like a 1.72. im affraid to spend the money on the 850 to not pick up any. by the way. i had to jet up a lot on that 750 before i got good color on the plugs. im talking like stock jets were in the...
  4. poprocks440

    holley 750 too small?

    448 10.4.1 compression eddy 84 heads eddy gasket matched rpm manifold JE pistons stock forged rods w MP nut bolt kit stock forged crank 10 inch converter 3.91 727 28x9x15 slicks 750 DP holley .564 com cams hydraulic cam all in a factory looking all steel all interior 67 gtx 12.00 to 11.90s...
  5. poprocks440

    Help 727 trans leak!!!

    have you had the tranny out recent or changed torque converters?
  6. poprocks440

    any guess or opinion would be great

    i went to the track yesterday after 2 years off of racing but still kept up on the car because its my weekend cruiser. 2 years ago i tried NOS. didnt work due to a clogged screen. so while at the track when i ran out of NOS i removed the bottle and cleared the line. i had colder plugs. timing...
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