9 inch rear end worth it? - Ford Mustang Forum
 
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post #1 of 5 (permalink) Old 03-10-2007 Thread Starter
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9 inch rear end worth it?

is the swap from 8.8 to 9 in worth it? a guy i know way back when had a nova he converted from a chevy 12 bolt to a ford 9 inch and actually gained 1-2 tenths something to do with the ring and pinion angle... i was wondering if there is any noticeable difference between the 8.8 and 9 inch

93 lx 5.0, king kobra clutch, bbk 65mm throttle body, 3.73's, electric fan, full length headers, march underdrive pulleys, no smog pump, cats cut off,bbk cold air intake, edelbrock performers, 24lb injectors, 255 lph fuel pump, trick flow track heat intake and crane 2030 13.77@102
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post #2 of 5 (permalink) Old 03-10-2007
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he did not pickup et with puting a 9in in it.a 9in takes more power to spin then a 12 bolt chevy.the gears were more then likely different.i run the 8.8 in a 9.06et car with no problems.i have good parts in it.just a fyi they make a 12bolt style center section for a 9in to make it take less hp to spin

because a engineer said so!! 93lx street car 8.81@153 and 93lx 10.5 car[ 7.21@182 new record for me]
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post #3 of 5 (permalink) Old 03-11-2007 Thread Starter
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according to him he went from a 4.11 chevy to a 4.10 ford and ran faster, not calling u a liar just saying what i heard

93 lx 5.0, king kobra clutch, bbk 65mm throttle body, 3.73's, electric fan, full length headers, march underdrive pulleys, no smog pump, cats cut off,bbk cold air intake, edelbrock performers, 24lb injectors, 255 lph fuel pump, trick flow track heat intake and crane 2030 13.77@102
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post #4 of 5 (permalink) Old 03-11-2007
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Then the guy is leaving something out of his story.
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post #5 of 5 (permalink) Old 03-11-2007
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i have built and race car for 18yrs.i have never seen someone go faster by putting a 9in rear end in.no need for a 9in inless you have over 1200-1300hp.i believe you but the guy is full of sheet.

because a engineer said so!! 93lx street car 8.81@153 and 93lx 10.5 car[ 7.21@182 new record for me]
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