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Old 03-22-2006, 10:01 AM   #1
band77one
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3.42 gears and shift kit

Can anyone recommend a good shift kit to put into a 700-r4 tranny? and i also have limited slip 3.08 geared rear, and thinking about 3.42 gears, can anyone give me some feedback possibly thanks.
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Old 03-22-2006, 11:35 AM   #2
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Before you ask for gear recommendations, you gotta tell us what your goal is. Is the car your DD? Do you see lots of highway travel? Drag racing?

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Old 03-22-2006, 01:47 PM   #3
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i see taking it to the track, possibly some street races. maybe a couple of trips to the shore in the summer but not much more highway then that
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Old 03-22-2006, 01:52 PM   #4
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I would go with 3.73s or 4.10s, depending on how far you plan on taking your mods, and how much you care about going fast at the track. With 3.73s and a stock size tire, you'll be turning about 2565 RPM at 75 mph. With 4.10s it would be 2820 RPM at 75.

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Old 03-22-2006, 02:58 PM   #5
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4.10s FTW... but I may have a set of 3.42s for sale.
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Junk the pos, spend the money on beer, acquire headache.

Same result cept this headache doesnt last months.
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Old 03-22-2006, 06:12 PM   #6
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2850 dosent seem right for 4:10's if i remeber right 65 was like 2,400 in the rs @ 75 then again ive got big tires
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Old 03-23-2006, 08:11 AM   #7
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Quote:
Originally Posted by lethalrides2k3
2850 dosent seem right for 4:10's if i remeber right 65 was like 2,400 in the rs @ 75 then again ive got big tires
http://www.fbody.com/calc.htm

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Old 04-01-2006, 09:58 AM   #8
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the calc is off but 2850at 75 sounds about right, it may be a touch lower than that but right in the area.
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Junk the pos, spend the money on beer, acquire headache.

Same result cept this headache doesnt last months.
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Old 04-01-2006, 11:43 AM   #9
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I have 3.42's and it really woke my car up. I had 2.77's before. I was gonna go with a transgo shift kit for my car, but I may not bother and hold out for a T56 swap sometime in the future

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Old 04-01-2006, 01:53 PM   #10
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the tach i got must be off then caus elast night a@90mph it read like 3,100 rpm
with 4:56's
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI
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Old 04-01-2006, 10:42 PM   #11
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wow 2.77s
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Old 04-02-2006, 12:48 AM   #12
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Quote:
Originally Posted by Teds89IROC
I have 3.42's and it really woke my car up. I had 2.77's before. I was gonna go with a transgo shift kit for my car, but I may not botehr and hold out for a T56 swap sometime in teh future

~Ted
Go 4.10s......
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Old 04-02-2006, 11:06 AM   #13
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4:10's+ and v6 are great
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI
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Old 04-02-2006, 12:29 PM   #14
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Quote:
Originally Posted by lethalrides2k3
the tach i got must be off then caus elast night a@90mph it read like 3,100 rpm
with 4:56's
What size tire were you running on?

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Old 04-02-2006, 07:47 PM   #15
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umm 255 55 zr-16,there really not that tall of a tire,btw cheapo pep boys tach sunpro i think
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI

Last edited by project89; 04-02-2006 at 07:50 PM.
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Old 04-03-2006, 10:57 AM   #16
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That's a 27" tall tire, as compared to a 25.6" tall tire.

In overdrive, with that gear and tire @ 90 mph you should have been turning approx. 3,575 RPM. Do you have the correct speedo gears in your car for the gears and tire size that you are running? 3100 RPM works out to about 78 mph.

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Old 04-03-2006, 06:01 PM   #17
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yeah we have the right speedo gear,so my tach is off 400 rpm or so

(dam been reving the motor higher then i thought we were)
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#1 1989 RS - 3.0L V6 11.0-1 CR, LIGHTENED CRANK,J.E FORGED PISTONS, CUSTOM 280/284 .575/.575 116LSA ROLLER CAM, PORTED HEADS, PORTED INTAKE,CUSTOM TURBO KIT W/ BW S475,AW INTERCOOLER,METHANOL INJECTION, TCI STREETFIGHTER 700R4 W/ TCI 4,500 STALL,TWIN WALBORO 255'S & 83# INJECTORS
268 rwhp & 367.6 ftlbs @ 10 psi 3.1l
12.30's @ 112 3.1L @ 9 psi
??.?? @ ???? 3.0L @ 18 PSI
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Old 04-04-2006, 12:00 AM   #18
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Quote:
Originally Posted by Savage_Messiah
Go 4.10s......
I have 4.10's sitting in my garage for a 10 bolt, but I'm not sure which 10 bolt

~Ted
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Old 04-04-2006, 12:04 AM   #19
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Quote:
Originally Posted by Brando56894
wow 2.77s
yea, they were so small I could tap the gas lightly and hear the rpm's rise a bit and not move anywhere lol. Good highway gears, but **** off the line and whipping around town.

~Ted
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Old 04-04-2006, 11:17 AM   #20
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Quote:
Originally Posted by Teds89IROC
I have 4.10's sitting in my garage for a 10 bolt, but I'm not sure which 10 bolt

~Ted
You should measure them to see....

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Old 04-06-2006, 08:18 AM   #21
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What am I measuring to find out?

~Ted
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Old 04-06-2006, 01:41 PM   #22
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Measure the ring gear to see if it's a 7.5" or 8.5"

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Old 04-24-2006, 04:42 PM   #23
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shift kits are very nice

I have a NEW corvette servo if you are interested 30.00 improves 1-2 and 3-4 shifts firms em up
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Old 04-26-2006, 11:40 PM   #24
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I like to get 4.10s for my 9bolt, no luck yet
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Old 04-27-2006, 02:29 AM   #25
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Quote:
Originally Posted by primo
I like to get 4.10s for my 9bolt, no luck yet
Try here: http://www.ring-pinion.com

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