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02-22-2009, 12:09 PM
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#1
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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3.73's or 4.10's
hey, im going to be getting gears today but i dont know what ones to get im building my car fort street/strip and i dont know what gears to get 3.73 or 4.10 and also i wanted to know where i can get a speedo gear so my speedo will be right with the new gears. let me know what your input is thanks.
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-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 12:22 PM
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#2
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11 Second Club / I <3 LT1s
Join Date: May 2008
Location: Troy, Mi
Posts: 2,642
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neither. Go with 3.90s. A jump from 3.42's to 3.73s just isn't worth it, and 4.10s are great, but if you do a lot of hwy travelling your mpg will hurt. 3.90s give you a nice jump in acceleration while still retaining some kind of good hwy mpg.
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Vinnie -
00 SS A4- LQ9/LS3/Stalled/3.42s 1.48/11.10/121 mph<-6spd swap in progress.
13 Silverado Z71- Sold 11/16
99 Z28 M6- -H/C/9in - sold 1/13
99 Silverado Z71- The DD - Sold 7/13
03 CBR 600RR - Sold 8/13
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02-22-2009, 12:39 PM
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#3
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Join Date: Feb 2008
Location: Linden NJ
Posts: 587
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i have 4:10s in my car and with the manual 6 i get 21mpg highway and at about 80mph im at about 2100rpms so its not crazy loud with exhaust. my vote is for the 4:10's
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2000 T/A WS6: Bolt On's
2007 Honda CBR1000RR Crotch Rocket
1991 RS Convertible - SOLD!
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02-22-2009, 12:49 PM
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#4
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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well the reason im looking at 3.73s or 4.10s is because im getting a deal on the gears either ones for $90 ( yes there new )
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-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 01:17 PM
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#5
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Join Date: Feb 2008
Location: Linden NJ
Posts: 587
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with a m6 youll be fine with 4.10's if you were auto i would stay with 3.73's
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2000 T/A WS6: Bolt On's
2007 Honda CBR1000RR Crotch Rocket
1991 RS Convertible - SOLD!
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02-22-2009, 01:21 PM
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#6
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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you could recalibrate your computer with a little hand held tuner. tranny shops could have the speedo gear. i would do 4.10's out of the two.
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02-22-2009, 01:41 PM
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#7
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by 91DropTop
with a m6 youll be fine with 4.10's if you were auto i would stay with 3.73's
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But I believe with the LT1's powerband, 3.90's would be a better choice. But, since your getting a deal, go with the 4.10's.
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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02-22-2009, 01:57 PM
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#8
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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okay, i think im going to go with the 4.10 gears, and how do you change the speedo with the hand held tuner ? and how much is it to do ?
__________________
-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 02:06 PM
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#9
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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the hypertech is answering yes and no questions and entering gear size and rear tire diameter. double check off of a buddies car or gps though.
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02-22-2009, 02:24 PM
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#10
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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alright cool, how much is the hypertech tuner ?
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-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 02:39 PM
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#11
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by lilredjeep91
alright cool, how much is the hypertech tuner ?
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http://store.summitracing.com/partde...5&autoview=sku
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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02-22-2009, 02:54 PM
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#12
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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alright thanks, i think thats a little to much for me right now since i just ordered alot of parts, but does anyone know how much the speedo gear for the trans will be and where i can get it ?
__________________
-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 04:40 PM
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#13
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11 second club / Moderator
Join Date: Aug 2004
Location: West Berlin, NJ
Posts: 7,148
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Quote:
Originally Posted by lilredjeep91
alright thanks, i think thats a little to much for me right now since i just ordered alot of parts, but does anyone know how much the speedo gear for the trans will be and where i can get it ?
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dont need a new gear, need to reprogram the PCM to calulate the pulses
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
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02-22-2009, 05:49 PM
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#14
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Join Date: Dec 2008
Location: Hillsdale
Posts: 68
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you can do that or you can change the speedo gear to make up for the gears
__________________
-Andrew-
98 Ram2500 Cummins 9in lift kit, 37 super swampers 20mpg city Daily Driver
00 Custom R1
97 Trans-Am M6 SOLD =(
89 FoxBody SOLD =(
02 WRX/STI Cashed =(
89 Jeep Wrangler- The Toy 7.5in lift 35 MT's * FOR SALE *
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02-22-2009, 06:44 PM
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#15
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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eh i've never had luck with speedo gears. i would inquire at a local trans shop though. they are cheap and you might find someone with more experience.
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02-22-2009, 06:47 PM
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#16
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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I thought the speedo change was only for 93s?
And look on ebay, a lot of people dump the hypercraps on there.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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02-22-2009, 06:50 PM
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#17
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BadMod
Join Date: Aug 2004
Location: hamilton, nj
Posts: 8,889
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Quote:
Originally Posted by Shownomercy
I thought the speedo change was only for 93s?
And look on ebay, a lot of people dump the hypercraps on there.
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you think correctly, you cant "change a gear" on 94+ cars, they need to be tuned
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So much stupid, so little time.
Quote:
Originally Posted by 79CamaroDiva
It started before I drove your car. I just have to look at it the wrong way and your car poops parts.
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Mercerville MotorSports, LLC
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02-22-2009, 06:57 PM
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#18
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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really? ah my bad. thinkin about it mine is electronic and not mechanical. ebay! or a mail order tune?
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02-22-2009, 06:58 PM
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#19
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,896
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Yea, you could prob benefit from a "real" tune vs. the hypertech thing.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-13-2009, 01:33 AM
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#20
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Join Date: Feb 2009
Location: Mine Hill, NJ
Posts: 67
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im gunna be the guy who says 3.73...everytime i look on my wall i say no more 4.10...i have my litterally bald ring gear and my sheared in half pinion mounted on my wall with a plaque that says this is why i dont race corvettes...but anyway the 4.10 in a 10 bolt is too fragile...if you plan on putting some power to the ground later on get the 3.73 for now and save up for a 12 bolt
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03-13-2009, 09:58 AM
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#21
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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get 4.56s for a 10bolt. and use a gps for your speedometer
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01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
Last edited by 98tadriver; 03-13-2009 at 10:00 AM.
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03-13-2009, 10:46 AM
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#22
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11 Second Club
Join Date: Feb 2008
Location: Edison, NJ
Posts: 4,619
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Quote:
Originally Posted by 98tadriver
get 4.56s for a 10bolt. and use a gps for your speedometer
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__________________
1999 Z28 Convertible. 6 speed swap, wide cowl hood, full hockey stripes, and a whining 10 bolt.
2008 Sierra Vortec Max. 6.2 swapped, headers, Magnaflow catback, GMPP CAI, NHT optioned tow package.
2006 GTO, 11.48 @ 118.3
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03-13-2009, 11:51 AM
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#23
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Join Date: Dec 2004
Location: Browns Mills NJ/ Rotondo West FL
Posts: 3,054
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Quote:
Originally Posted by NJ Torque
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lol..... 
__________________
AI HCR 241's , Lunati 223/236 .615/.626 114+2 , Full Exhaust , Ported Fast 92 , Ported LS2 TB , Veraram , 85mm MAF , Circle D 4000 , 3.42's , GTP 36# , CSP Dyno tune. More on the way
420 HP/367 TQ on a Unlocked Converter & still climbing.
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