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-   -   help with bbc (https://www.racingjunk.com/forums/showthread.php?t=25437)

joe1966 08-24-2009 04:34 PM

help with bbc
 
hello everyone and thanks in advance
I'm running a 1972 Chevy nova with mini tub 410 rear gear turbo 400
engine 496 13:7:1 compression hydrolic roller with a victor jr intake with 1 inch spacer holly 950 which flows 1ooo cfm running 11.1 is my best time
I will be happy to get to 10.5 . I have the regular water pump will be installing a electric . also just installed evaluators didn't make any diff
oh yea just installed 3000 stall speed converter. comp 2 aluminum cylinder heads. with roller rockers. NO Nitrous. any thoughts or Ideas would be appreciated. I think I need to go with a bigger carb ? take the 1 inch spacer out?

BEAST477 08-24-2009 06:36 PM

A little more info is it street/strip or strip only? What does it weigh? Rear tire size? Transbrake or footbrake?

Tod74 08-24-2009 06:40 PM

What is a comp 2 aluminum cylinder head? :?

signsbyesa 08-24-2009 08:49 PM

corvette motor? :wink:

Tod74 08-24-2009 08:55 PM

No ...if it was a corvette motor he would be in the 9's already. You can run 10.50's in a dump truck if it has a corvette motor.

joe1966 08-25-2009 06:01 AM

more info
 
OK its street/strip no cage yet was just a 454 engine bored 60 and stroked
just a foot break car right now
cam spec 520/236 intake 540/242 exhaust
msd 6al
tires m&h 28X12.50 15 street ets latter bars 4 link
weight 3200 with me in the car Ill see if I can post some pics soon
on launch can get the tires off the ground about 4 in ... don't laugh
again thanks in advance.

joe1966 08-25-2009 06:10 AM

more info
 
pro comp aluminum heads
2.25 intake 1.88 exh
119cc rectangular port

oldandtired 08-25-2009 07:06 AM

Re: more info
 

Originally Posted by joe1966
pro comp aluminum heads
2.25 intake 1.88 exh
119cc rectangular port

What's the intake runner volumn?
Dave

Tod74 08-25-2009 10:42 AM

That cam is nowhere near big enough for a 496, especially one with 13.7 to 1 compression.

Is the 236/ 242 the dur @ .050? :shock:

If so with that much compression I'd get it up in the 270- 280 range.

mopar1968 08-25-2009 11:48 AM

Put a ''MOPAR'' engine in it. Trash the ''chebbie'' engine :!: :!: :lol: :lol:



''JUST MY TWO CENT'S WORTH''


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