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Author Topic:   R P M s
speedster
Member
posted March 29, 2001 08:42 PM
what kinda rpms do you turn
what size of track
auto or manual?
gear ratio[3rd gear 3.73s]etc.etc.


snapper
Member
posted March 30, 2001 07:24 AM
i run on 1/2 and 4/10. pretty much stock engine set up just cam change using a t350 in 2nd gear and a 10 bolt rear end w/308 gear i run a 79 roll tire on the half and about a 74-76 on the 4/10. it will turn about 58-6000 rpm witch is right on my cams power band


speedster
Member
posted April 15, 2001 09:41 PM
thanks for your replys: iwas just trying to get a good topic started to see what everybody is doing around the country if ya dont try new stuff you get left in the dust right? always trying to be on the cutting edge!!!


PEDDLER
Member
posted April 17, 2001 06:32 PM
Gear ratios are also dependent on tire roll out.We ran a 7.94 final on a medium 1/4 mile
and a 7.56 on a long 1/4 with an 89 inch tire roll out. We tried to keep RPM's about 7200 to 7500. We have also run an 8.19 final on the first mentioned track ( a little much)

------------------
RACING IS A HOBBY
GO HAVE FUN


HoosierDaddy57
Member
posted April 18, 2001 02:15 PM
6500RPMS
Tight 1/4 Track
Manual (3spd Saginaw)
1.89 2nd Gear w/ 3.73 rear= 7.04 Final


Hobbystocker
Member
posted May 27, 2001 06:54 PM
we run a 3/8 mile with a standard saginaw 3 speed tranny and run a 5.83 for dry slick tracks and a 6.00 for a heavy track.
[image]members.spree.com/entertainment/ERICDUGLASTKA/2001car1.jpg[/image]


Pickel
Member
posted May 28, 2001 09:52 AM
on a half mile I only turn 5800rpm on a 1/4 mile 4800..I run a gm standerd 3speed (I use in it high gear) with a 538 rear in a gm ten bolt with 82 to 89 tire roll out.I do pretty good at most tracks..


widebody
Member
posted May 29, 2001 01:23 PM
3.70 gear on a 1/2 mile track
I run 82" IMCA tires.
I run 4th gear on dry slick at @4200 RPM and 3rd gear for a heavy track @5400 (4.74 total gear in 3rd).