IIRC 1st is 3.163 in a 1l. You could just google it.
Yes, that's a 13.5% decrease in highway revs. 1ls do over 5000rpm at 110, a 4k wont live long doing those revs so it needs to be geared up.
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| Gear ratio for 1l 4speed? http://auszookers.com/forum/viewtopic.php?f=37&t=39313 |
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| Author: | douglasgiersch [ Thu Feb 28, 2013 8:20 pm ] |
| Post subject: | Gear ratio for 1l 4speed? |
Chasing the gear ratios on the 4spd box to suit 1l reason being I would like to find out if my current engine and gbox (4k) will have a higher or lower gear ratio in top gear and also first. First it 5spd 4k box is 3.789:1 5th is 0.865:1 . Trying to determine my gearing needs to run 30s or close too 30 don't plan on going bigger On 1l nt diffs with 1l non switch case. Doug |
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| Author: | mrw82 [ Thu Feb 28, 2013 8:49 pm ] |
| Post subject: | Re: Gear ratio for 1l 4speed? |
4th gear is 1:1 can't remember 1st ratio but I'll check the book tomorrow arvo. |
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| Author: | douglasgiersch [ Thu Feb 28, 2013 9:17 pm ] |
| Post subject: | Re: Gear ratio for 1l 4speed? |
4th gear in the 4k 5spd box is 1:1 so putting it in 4th will have standard gearing just with a motor that has a few more ponies. Using formula I found Ratio 1 - ratio 2 = x X over ratio 1 = percentage drop So 1 - 0.865 = 0.135 0.135 over 1 = 0.135 So that's 13.5% increase ? Maybe wrong. |
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| Author: | sideways [ Fri Mar 01, 2013 6:04 pm ] |
| Post subject: | Re: Gear ratio for 1l 4speed? |
IIRC 1st is 3.163 in a 1l. You could just google it. Yes, that's a 13.5% decrease in highway revs. 1ls do over 5000rpm at 110, a 4k wont live long doing those revs so it needs to be geared up. |
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