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06-28-2011 #1
Registered User
- Join Date
- Apr 2007
- Location
- Utah
- Posts
- 534
Ok guys, I am ordering everything to finish up the bell housing area. Might get rear gears in a week or two. I really need help here. I am from the old school days where my M21 wide ratio and 3.73 were ok. I always felt that I was starting in second gear. Freeway totally sucked.
So, I need to hear from you M6 guys, what are you happy with? What are you running? Do you stock ratio guys ever hit 6th gear? I am planning on eventually hitting 700 fwhp and I am more quarter mile oriented, although I would like to do some solo/slolom and open track days at a local road course track. Help me pick a decent all around ratio. Does anyone launch in second at the strip? I hit the ratio calcs online and I am leaning 4.56 and possibly 4.88 anyone here play with those ratio's?
Sam
Northern UT.
'68 Camaro "Bodacious"
'56 210 2dr "Buckshot"
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04-10-2015 #2
Registered User
- Join Date
- Jun 2011
- Location
- St. George, Utah
- Posts
- 1,629
Two opposite end of the spectrum comparisons-
When I drove my Nova on the street I had 4.56 gears behind a TH350. I ran a 28.5" tall slick at the track and went through the lights at 6200 rpms @ 110 mph. The car redlined at 6500 so that was just about right. It ran about 3200 at 60 on the highway with the 1:1 final trans gear.
My wagon runs a 25.5" tire and 2.41 gears behind a TH350. It runs through the 1/4 mile lights at 4500 in 2nd gear at 97 mph. It does about 2200 @ 65 with a 1:1 final. Redline is 4500 with this motor. I can run most autoX courses in 1st gear which gives a nice torque advantage.
Here's a great website to play with numbers... www.wallaceracing.com/gear-speed.php
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