Technical > Roo Man's Room
Mopar 8 3/4 "
George:
--- Quote from: Paul New on December 25, 2013, 09:47:56 AM ---We ran hundreds of passes in our 1600 lb fed with a blown SBC running 7.40's this was with Richmond street gears
--- End quote ---
What ratio and tire were you running with the 8.75 ? 60' times? Thanks. George
Paul New:
I looked though my log book and found my best pass in this car 3.55 gears 31" tires
60ft 1.119
330ft 2.978
660ft 4.545
660mph 156.92
1000ft 5.914
1320ft 7.109
1320mph 186.02
This car typically tripped the 60' with the rear tires. I also found 1.08 60's
dreracecar:
Rough estimate is 200 rpm difference between each gear set
slingshot383:
Problem is nowdays if you are using a factory housing, you've got to back brace it and that takes up room that an old style car doesn't have. Neil and Parks has a real strong 9" rearend set-up that you can get in either Chrome moly or Titanium. Super strong, light weight, and no need for a back brace.
George:
Thanks guys. I am weighing several options. I would like to go with the N & P housing , aluminum center section with new axles and brakes but Santa didn't leave me a pile of cash. My greatest fear is the 8 3/4" coming apart and hurting someone.
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