502 p51 results - 460 Ford Forum
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post #1 of 14 (permalink) Old 06-23-2008, 08:13 PM Thread Starter
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502 p51 results

79 mustang 502 with stock p51 heads,comp flat tappet cam 272 276 at .50,850 demon vac sec,glide and 8 inh conv,Leaving near off idle with poor traction. Only one full pass so far 1.46 60 foot 6.44 at108 1\8 and 10.10 at 133.5 1\4 .
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post #2 of 14 (permalink) Old 06-24-2008, 11:34 AM
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what gear and convertor ?? weight of car ?/

nice job by the way -- soon to be in the 9 sec club



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post #3 of 14 (permalink) Old 06-24-2008, 07:01 PM Thread Starter
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Thanks Bruno, Its a 373 with 28 inch tires,coan 5200 stall.The motor has plenty of grunt but the carb might be hurting the top end.
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post #4 of 14 (permalink) Old 06-24-2008, 07:07 PM Thread Starter
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The car was at 2920 with a windsor But not sure now with the bigger motor.
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post #5 of 14 (permalink) Old 07-10-2008, 08:24 PM
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Post some more details, Compression? Head Flows, Header Size? Carb and intake?

Whats done to the suspension?
post #6 of 14 (permalink) Old 07-23-2008, 08:05 PM Thread Starter
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It is 12to1,stock p51 heads,victor intake,850 demon carb,2inch hooker headers,The suspension is just your average bolt on control arms in the rear with an air bag. Stock frt struts with aje swap k member. I am sure it will run high nines after tuning,but it started losing oil pressure after a few passes. Im going to pull the pan soon. Hopfully its not to serious
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post #7 of 14 (permalink) Old 07-23-2008, 09:33 PM
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p51 heads

those are some #s,what kind and part # are the pistons.did you go with h-beam rods :?:
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post #8 of 14 (permalink) Old 07-23-2008, 10:24 PM
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1050 or 1150 make a big difference lol. Its needs more air.

69 Grande'
P51 headed 563
3070#'s
5.15 @ 134.89
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post #9 of 14 (permalink) Old 07-24-2008, 09:54 PM Thread Starter
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Steve they ars scat i beam cap screw rods and srp flat tops with extra valve notches cut for the heads.Not sure on the part number.
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post #10 of 14 (permalink) Old 08-13-2008, 10:51 PM
 
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i've been loosing oil pressure after about 1000 foot and i'm running 3/8" clearance between the pickup and the pan. it's a canton setup for a fox if yours is similar i would say increase the distance to 1/2" i plan on doing mine by lowering the bottom of the pan i think. i'll know more after i look at it closer. o yea good work and grads. to ya!
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post #11 of 14 (permalink) Old 08-20-2008, 09:21 PM Thread Starter
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I finally have oil pressure the entire pass :lol: After adding oil from 7 to 8 quarts with fresh bearings and kendall 20 w50 oil in a miloden pan,I was still losing oil pressure just before the traps 1/4 mile.I changed to amsoil 20w50 race oil at 6 qts and have 80 pounds the entire pass and 70 pounds while braking. So i used my trans brake at 3600 and went 9.97 at 135 but still only a 1.42 60 ft.This is with no rubbing on the intake or heads and a vacuum sec 850 so there is still plenty off potential for upgrades in the future. :!:
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post #12 of 14 (permalink) Old 08-21-2008, 10:31 AM
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Garage
Quote:
Originally Posted by 79must
I finally have oil pressure the entire pass :lol: After adding oil from 7 to 8 quarts with fresh bearings and kendall 20 w50 oil in a miloden pan,I was still losing oil pressure just before the traps 1/4 mile.I changed to amsoil 20w50 race oil at 6 qts and have 80 pounds the entire pass and 70 pounds while braking. So i used my trans brake at 3600 and went 9.97 at 135 but still only a 1.42 60 ft.This is with no rubbing on the intake or heads and a vacuum sec 850 so there is still plenty off potential for upgrades in the future. :!:
try leaving at 4500 rpm. i use to leave at 3600 with the 2 step and went 10 teens, i took it to 4500 and went 10 o's high 9's. so it dropped my e.t 2 tenths. just something to try, it cant hurt!! jmo.

BBF IDT SHORT BLOCK
18bolt TFS A460 heads
CNC'D by SVRE
TFS Intake ported (SVRE)
COMPCAM by BLAKE
http://i287.photobucket.com/albums/l...ps5280b9cf.jpg
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post #13 of 14 (permalink) Old 08-21-2008, 10:32 AM
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Garage
Quote:
Originally Posted by delivered fast
Quote:
Originally Posted by 79must
I finally have oil pressure the entire pass :lol: After adding oil from 7 to 8 quarts with fresh bearings and kendall 20 w50 oil in a miloden pan,I was still losing oil pressure just before the traps 1/4 mile.I changed to amsoil 20w50 race oil at 6 qts and have 80 pounds the entire pass and 70 pounds while braking. So i used my trans brake at 3600 and went 9.97 at 135 but still only a 1.42 60 ft.This is with no rubbing on the intake or heads and a vacuum sec 850 so there is still plenty off potential for upgrades in the future. :!:
try leaving at 4500 rpm. i use to leave at 3600 with the 2 step and went 10 teens, i took it to 4500 and went 10 o's high 9's. so it dropped my e.t 2 tenths. just something to try, it cant hurt!! jmo.
oh yeah get you a dominator for sure :lol: :lol: :lol:

BBF IDT SHORT BLOCK
18bolt TFS A460 heads
CNC'D by SVRE
TFS Intake ported (SVRE)
COMPCAM by BLAKE
http://i287.photobucket.com/albums/l...ps5280b9cf.jpg
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post #14 of 14 (permalink) Old 08-24-2008, 05:31 PM
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Quote:
Originally Posted by 79must
I finally have oil pressure the entire pass :lol: After adding oil from 7 to 8 quarts with fresh bearings and kendall 20 w50 oil in a miloden pan,I was still losing oil pressure just before the traps 1/4 mile.I changed to amsoil 20w50 race oil at 6 qts and have 80 pounds the entire pass and 70 pounds while braking. So i used my trans brake at 3600 and went 9.97 at 135 but still only a 1.42 60 ft.This is with no rubbing on the intake or heads and a vacuum sec 850 so there is still plenty off potential for upgrades in the future. :!:
Great Job, gives my 557 some hope and something to shoot for :shock: Jeff do you have any pictures of the car?? If you don't know how to post them, just email them to me and I will post them

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by the way, me and delivered fast both race at Milan! maybe we can all get together one day
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