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will it run 6.70? "update" 6.54

Posted By: tjmarcus1

will it run 6.70? "update" 6.54 - 05/08/10 07:21 PM

do you think it will run a 6.7 in the 1/8? here's the deal. a friend/customer wanted me to do a street pump gas motor for his 4000lb. 73rr that he could cruise anywhere, be very low maint., and take it to the track on sat. so we chose a 505 with stealth heads, not cut-87cc. a 242/246 hyd. flat tappet cam. i put a victor intake and an 850dp on it. AFTER the plan was made he decides to put it in a back half scamp with too much gear 4.89's. also it will be a true footbrake car with a GLIDE. i figure it won't want to turn more that 5500? think it will run close to 6.70?
Posted By: rowin4

Re: will it run 6.70? - 05/08/10 07:25 PM

Close, I run a pump gas 505 about the same 4.56 gear, stick shifted , runs 6.50 in the 1/8th but I shift at 6800

Posted By: tjmarcus1

Re: will it run 6.70? - 05/08/10 07:27 PM

Quote:

Close, I run a pump gas 505 about the same 4.56 gear, stick shifted , runs 6.50 in the 1/8th but I shift at 6800




is that with a hyd. flat tappet?
Posted By: topfueldart

Re: will it run 6.70? - 05/08/10 07:28 PM

Whats the scamp weigh? Converter stall? 6.70's might be pushing it. The camshaft is leaving alot on the table.
Posted By: Quicktree

Re: will it run 6.70? - 05/08/10 07:30 PM

at 4000lbs I doubt it
Posted By: tjmarcus1

Re: will it run 6.70? - 05/08/10 07:31 PM

Quote:

Whats the scamp weigh? Converter stall? 6.70's might be pushing it. The camshaft is leaving alot on the table.


weighs about 2950. the glide and conv. came with the car. but i had ptc tighten it up, not sure what it will flash.
Posted By: cheapstreetdustr

Re: will it run 6.70? - 05/08/10 08:43 PM

fwiw
my duster weighs 3410
it has a 400rwhp 368" smallblock in it
with a 175 shot no2 pill..
it runs 6.67 in the eight.with too much converter..(ptc 5200 for motor only)
727 and 4.56 gear shifting at 6400rpm
fwiw...
if your close to 575 hp..id say yes....
Posted By: Quicktree

Re: will it run 6.70? - 05/08/10 09:07 PM

Quote:

fwiw
my duster weighs 3410
it has a 400rwhp 368" smallblock in it
with a 175 shot no2 pill..
it runs 6.67 in the eight.with too much converter..(ptc 5200 for motor only)
727 and 4.56 gear shifting at 6400rpm
fwiw...
if your close to 575 hp..id say yes....



he's talking about a 4000lb B-Body, don't think 575hp will get it to 6.70s
Posted By: tjmarcus1

Re: will it run 6.70? - 05/08/10 09:23 PM

Quote:

Quote:

fwiw
my duster weighs 3410
it has a 400rwhp 368" smallblock in it
with a 175 shot no2 pill..
it runs 6.67 in the eight.with too much converter..(ptc 5200 for motor only)
727 and 4.56 gear shifting at 6400rpm
fwiw...
if your close to 575 hp..id say yes....



he's talking about a 4000lb B-Body, don't think 575hp will get it to 6.70s


no, it was going in a 4000lb. rr now it's in the scamp
Posted By: Quicktree

Re: will it run 6.70? - 05/09/10 12:04 AM

Quote:

Quote:

Quote:

fwiw
my duster weighs 3410
it has a 400rwhp 368" smallblock in it
with a 175 shot no2 pill..
it runs 6.67 in the eight.with too much converter..(ptc 5200 for motor only)
727 and 4.56 gear shifting at 6400rpm
fwiw...
if your close to 575 hp..id say yes....



he's talking about a 4000lb B-Body, don't think 575hp will get it to 6.70s


no, it was going in a 4000lb. rr now it's in the scamp


ok I see, should be able to do it then.
Posted By: tjmarcus1

Re: will it run 6.70? - 05/09/10 06:21 PM

well he took the car to the track sat. and it went a 6.57, then a 6.55, then it went a 6.54. he even went a couple of rounds. he was pretty happy, i guess. { he didn't call and complain}
Posted By: Quicktree

Re: will it run 6.70? - 05/09/10 06:41 PM

awesome
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