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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / June 2007What rear end gear??
I have been in a wheelchair for about 10 years now and i built an 81 malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 Holleys, full MSD setup, cam is crane 300 dur 510 lift, with a Pete Jackson Gear Drive, stall is 2800-3200 th350 trans, i am currently running the stock 7.25 inch 10 bolt w/ a spool (poor mans posi) hahaha and 3.08 gears, i have lakewood lift bars also. It gets out of the hole good with the stall and the torque of the 406 but my friends all give me crap about my 3.08 gears. dont hear em whining about it when i blow their doors off though. what should i do? keep taking the crap or go to a diff gear? what will it do to my setup? how would the car perform, and what do ya think i am running for hp out of it? its a 1972 block w 2 bolt mains. Thank You All Brett B. A smaller diameter diff gear/ring gear would give you better miles per gallon and probally slow you up a little bit getting off the mark.But,as long as you enjoy blowing their doors off,why change it? cuhulin On May 28, 9:38 am, cuhu...@webtv.net wrote: > A smaller diameter diff gear/ring gear would give you better miles per > gallon and probally slow you up a little bit getting off the mark.But,as > long as you enjoy blowing their doors off,why change it? > cuhulin I agree, i tried a 4.56 posi once and a pair of 9" slicks and shattered the whole thing hahahaha, prolly too much torque outta that little motor. why is it called a mouse motor anyway i have heard people call it that? Brett You up the gears in that to say 4.11 and put slicks on you won't get many runs on that ring and pinion, very weak diff.  Signaturemaxwedge http://www.automotiveforums.com > I have been in a wheelchair for about 10 years now and i built an 81 > malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 15 lines] > Thank You All > Brett B. Hmm.... If you have the power, I kinda like the tall gears.... I had a Mini with a built Cooper-S style engine and I thoroughly enjoyed drafting the 1/4 mile 'Muscle' cars with their low gears up to 85-95 mph when they totally ran out of steam. Mine was just topping 3rd and hitting 4th gear under power at those speeds... I am currently running a Dana 44 with 3.31's with 33" tires and a nicely tuned 258 in my Jeep CJ7 and keep getting flack about my tall gears. Well, I have a low range and almost never need 1st low. In high, 2nd tops a fast 52 mph at 4400 rpm, 3rd hauls nice up to an easy 75 mph, 4th buries the speedo at 85 and I have 'no' urge to find out how fast 5th will go. I also get a consistent 23 mpg highway which isn't bad for a flying brick. Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > > I have been in a wheelchair for about 10 years now and i built an 81 > > malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 43 lines] > > - Show quoted text - Flying brick huh , i like that! hahaha i dont know if i would wanna go over 85 in a jeep either, sounds pretty impressive though. i had tried a 4.56 with a nice posi unit and a pair of 9" slicks i think they were anyway. Launched it hard once and had to have it towed back to the garage, popped the cover and all kinds of springs and teeth and crap fell out hahaha. tooo much torque out of that little 406 i think. ? for ya, its really difficult for me to stage the car with the hand controls in it, its one lever that you pull down for the gas and press forward for the brakes. what would work better or whats the diff between "roll control and line lock?" im thinkin something like that would help alot. Thanx for the feedback, it is greatly appreciated. Brett B. >>> I have been in a wheelchair for about 10 years now and i built an 81 >>> malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 56 lines] > Thanx for the feedback, it is greatly appreciated. > Brett B. I know that hand unit you use, I have jockied cars around with them in. The one I used had a twist grip I think for throttle and straight push for brake. I would be thinking a line lock that had a thumb trigger. You can lock the front and rear brakes independently that way also. I am under the impression the roll control is a rolling in reverse thing for rookie clutch users? Mike 86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00 88 Cherokee 235 BFG AT's Canadian Off Road Trips Photos: Non members can still view! Jan/06 http://www.imagestation.com/album/pictures.html?id=2115147590 (More Off Road album links at bottom of the view page) > >>> I have been in a wheelchair for about 10 years now and i built an 81 > >>> malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 75 lines] > > - Show quoted text - A twist grip would be awesome, like a motorcycle? that would be alot easier to stage, thanx for the tip i appreciate it. Brett B. >>>>> I have been in a wheelchair for about 10 years now and i built an 81 >>>>>malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 80 lines] > easier to stage, thanx for the tip i appreciate it. > Brett B. the one thing that worries me about your combo is the stall speed with those 3.08's. What RPM are you turning on the highway? you might be putting a lot of heat into your trans if you're not cruising above your stall speed. nate Signaturereplace "roosters" with "cox" to reply. http://members.cox.net/njnagel > >>>>> I have been in a wheelchair for about 10 years now and i built an 81 > >>>>>malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 92 lines] > > - Show quoted text - yeah that worries me too, i dont run on the highway much but when i do i generally keep it in 2nd gear so the stall is "locked" up i try to keep it around the 3400 range, sure has some snap in 2nd on the highway hahaha, good luck passin me with that little honda hahahaha. i love blowin imports off the road, till i ran into my buddies 750hp civic and got my a.s handed to me lol. U recomend a good trans cooler perhaps? >>>>> I have been in a wheelchair for about 10 years now and i built an 81 >>>>> malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 69 lines] > easier to stage, thanx for the tip i appreciate it. > Brett B. Yes, it was like a motorcycle twist grip. This unit would have been sold in eastern Canada in the 70's. A friend's father had an industrial accident and needed it. You could do a mean 'brake stand' too easily if you didn't have the coordination just right. LOL! Mike > >>>>> I have been in a wheelchair for about 10 years now and i built an 81 > >>>>> malibu with a 406 sbc, Edelbrock RPM heads, Tunnel Ram w/2-450 [quoted text clipped - 80 lines] > > - Show quoted text - Mike, you dont happen to remember where he got it or a site perhaps that would make them? sounds like that would be much easier for my situation. I have searched and searched to no avail for this item or anything loke it, maybe im just not user friendly when it comes to computers. Any help would be greatly appreciated. Thanx again for your help. Brett B. |
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