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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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 Posted: Tue Dec 09, 2003 11:50 pm Post subject: Isuzu Gear ratio's |
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All ratios are :1
Gemini
3.790
2.175
1.417
1.000
0.855
R 3.826
F 3.9
Gemini Twincam
3.174
1.963
1.364
1.000
0.855
R 3.402
F 3.909
Piazza Turbo
3.431
1.963
1.364
1.000
0.775
No reverse or final.
117
3.207
1.989
1.356
1.000
0.855
R 3.438
F 3.909 or 4.1
Bellett
3.746
2.320
1.508
1.000
R 4.994
F 3.778 or 4.1
I will add more when I find them. |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Tue Dec 09, 2003 11:58 pm Post subject: Re: Isuzu Gear ratio's |
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Bellett 1500/1600 GT
3.444
2.133
1.387
1.000
R 4.593
F 3.778
Bellett 1600/1800 GT
3.207
1.989
1.356
1.000
R 3.592
F 3.727
Bellett GTR
3.467
1.989
1.356
1.000
R 3.592
F 3.727 |
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Racegem
backyard mechanic
Joined: 30 Jan 2002
Posts: 987
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| Posted: Wed Dec 10, 2003 10:20 am Post subject: Re: Isuzu Gear ratio's |
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| What about the difference in Std Gemini 4 & 5 spd? They're supposed to have a different first gear. |
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GasGem
backyard mechanic
Joined: 05 Nov 2001
Posts: 755
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| Posted: Wed Dec 10, 2003 3:20 pm Post subject: Re: Isuzu Gear ratio's |
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| and diesel?? |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Wed Dec 10, 2003 3:21 pm Post subject: Re: Isuzu Gear ratio's |
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| The normal 4 and 5 speed have the same ratios, The TX 4 speed may have a different ratio but I have not been able to find it. |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Wed Dec 10, 2003 6:36 pm Post subject: Re: Isuzu Gear ratio's |
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| I looked for about 45 mins, couldnt find it, I should have by next week though. |
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S N 3 A K Y
tinkerer
Joined: 18 Jul 2003
Posts: 153
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| Posted: Wed Dec 10, 2003 7:58 pm Post subject: Re: Isuzu Gear ratio's |
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tx/c/d 4sp-
1st 3.507:1
2nd 2.175:1
3rd 1.418:1
4th 1.000:1
rev 3.927:1
te 4sp-
1st 3.467:1
2nd 1.989:1
3rd 1.356:1
4th 1.000:1
rev 3.500:1
tc/d 5sp -
1st 3.507:1
2nd 2.175:1
3rd 1.418:1
4th 1.000:1
5th 0.856:1
rev 3.759:1
te 5 sp -
1st 3.467:1
2nd 1.989:1
3rd 1.356:1
4th 1.000:1
5th 0.855:1
rev 3.438:1
deisel 5 speed
1st 3.48:1
2nd 1.99:1
3rd 1.36:1
4th 1.00:1
5th 0.86:1 |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Wed Dec 10, 2003 8:17 pm Post subject: Re: Isuzu Gear ratio's |
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| Thanks I didnt even know the old 5 speed had different ratios |
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EVLJT
tinkerer
Joined: 03 Dec 2001
Posts: 181
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| Posted: Thu Dec 11, 2003 8:51 pm Post subject: Re: Isuzu Gear ratio's |
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| there are several different gearbox's that came with the twin cam, all with different ratios |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Thu Dec 11, 2003 9:43 pm Post subject: Re: Isuzu Gear ratio's |
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| Yeah, and there is 2 cars in my drive way that use a different one for each car. And I got one of the gearboxes for free. For all you smartasses, no it wasnt stolen, the owner gave it to me because he thought it was stuffed, but its not. |
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Bugle
tinkerer
Joined: 08 Oct 2001
Posts: 221
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| Posted: Wed Dec 17, 2003 3:40 pm Post subject: Re: Isuzu Gear ratio's |
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I have one of these boxes
Some late 70's or early 80's 117 1.8 SOHC gearbox
3.431
1.963
1.364
1.000
0.775
3.402
So it's the same as Piazza turbo except coarse spline output shaft.
Also this sheet i've got has 2 sets of ratios for the 117 1.8 DOHC for some reason.
3.501 3.174
2.165 1.963
1.413 1.364
1.000 1.000
0.855 0.855
3.753 3.402
Piazza G200 DOHC
3.312
2.054
1.400
1.000
0.840
3.550
Another set found in early Piazza turbos
3.174
1.963
1.364
1.000
0.775
3.402 |
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Zedster
tinkerer
Joined: 19 Oct 2003
Posts: 50
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| Posted: Fri Dec 19, 2003 10:19 pm Post subject: Re: Isuzu Gear ratio's - What about shuttle/rodeo |
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| Have shuttle box on twincam motor. 1st and 2nd are close but third is a bit of a jump. Good or bad, haven't made my mind up. |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Sat Dec 20, 2003 12:40 am Post subject: Re: Isuzu Gear ratio's - What about shuttle/rodeo |
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| Just try and get the internals out of a Gemini 5-speed, they should fit. |
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Zedster
tinkerer
Joined: 19 Oct 2003
Posts: 50
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| Posted: Sat Dec 20, 2003 8:51 am Post subject: Re: Isuzu Gear ratio's - What about shuttle/rodeo |
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| Yeah, but the question was about ratios? Is this shuttle box stronger/different ratios than normal gemini ones? I'm guessing so. Info? |
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Stock TE
backyard mechanic
Joined: 12 Mar 2002
Posts: 853
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| Posted: Sat Dec 20, 2003 12:44 pm Post subject: Re: Isuzu Gear ratio's - What about shuttle/rodeo |
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| The shuttle gearbox is stronger, and it has commercial ratios (same as rodeo I think). Check with somebody before buying some gemini gears too. |
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