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| Diff Preference https://www.ausmini.com/forums/viewtopic.php?f=2&t=62298 |
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| Author: | ryan [ Thu Apr 08, 2010 10:52 am ] |
| Post subject: | Diff Preference |
Hi Everyone. Over the last couple of weeks there has been a lot of talk about different diffs and ratios etc, and everybody seems to have different opinions. It would be interesting to see what everybody runs/prefers and what sort of engine, wheels and driving you do. I'll start: Engine: 1330, 266 cam, mildly lightened and balance motor Diff: 3.647:1 Gearbox: mini k Wheels: 10" Opinion: I don't love the diff, I find I go up through the gears too quickly, and cruising on the highway is a bit revy. |
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| Author: | drmini in aust [ Thu Apr 08, 2010 10:58 am ] |
| Post subject: | |
I have a 1360 with the same 3.647 diff and 10" wheels, but a bigger cam (RE282)- I fitted the diff for Wakefield Pk to get a little more 4th gear acceleration on the straight. It is a bit short geared but suits this cam well around town. Pulls OK from below 50kmh in 4th. When the 1412 goes in it shortly though, it's getting a 3.44. 
I'd fit a 3.1 to it if I had one. |
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| Author: | sgc [ Thu Apr 08, 2010 11:00 am ] |
| Post subject: | |
Engine: 1152, fast-road cam, 2x HS2, LCB+RC40, 123ignition Diff: 3.444:1 Box: Early rod-change Wheels: 10" Driving: Inner-city and long highway runs. Acceleration is good (but not stellar) and I can sit on 120km/h at 4,500rpm all day long easily, although it is noisy 
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| Author: | VulcanBB18 [ Thu Apr 08, 2010 5:18 pm ] |
| Post subject: | |
Car : 63 850 (not on the road, crumpled LHS guard) Engine : 1030cc (998+040), MG metro cam, worked 295 head, HS4 on MS inlet, RC40, recurved Hitachi dizzy. Box : 4-spd sync remote Diff : 3.44 Wheels : 10" I've had 3.765 & 3.647s before, and I found the 3.44 the best of the lot. Sure a little acceleration trade-off down low, but most passengers were surprised when I told them it was a 998 
Only the 40 zones had me reaching for 3rd... |
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| Author: | Asphalt [ Thu Apr 08, 2010 9:07 pm ] |
| Post subject: | |
Car: 1984 Mayfair Sport Engine: 1275, MG cam, Inno big valve head, stg1 stuff. Gearbox: 4 sync. A+ Diff: 3,21:1 Wheels: 10" (165/70 on 5x10") About right for relaxed cruising & still quite good to have fun in the hills. I found a 3,44 too short and the 3,1 a tad too long. The 3,21 is a pretty good compromise & allrounder. Next will be the same engine, but with 277cc less  and a 3,76:1. I want to find a 'S' ratio gearset first, because 1st gear (A+) is allready a bit short even with the 3,21. Or save a bit and invest in a SC/CR gearset. 
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| Author: | gafmo [ Thu Apr 08, 2010 10:35 pm ] |
| Post subject: | |
wish it was a 1275 but a 1098 with +60 and a RE13 & 10" wheels has a 3.44 diff Great all round but slugish off the line, I which I had have taken the 3.6 diff Motor about to go in is a 998 block with a 1098 crank and a RE83 cam but has the 3.64 dif which will be much better all round for a 1098 motor a Nice 1330 would suit a 3.44 diff niceley all round |
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| Author: | sgc [ Thu Apr 08, 2010 10:42 pm ] |
| Post subject: | |
gafmo wrote: a 1098 with +60 and a RE13 & 10" wheels has a 3.44 diff Great all round but slugish off the line,
I dunno Gaf, I suppose it comes down to what you're used to but I don't find it too sluggish at all... what was it the Beatles said? "All you need is revs, da nah-nah-nah-nahhh"
It could be a bit quicker I suppose.. but I reckon a 3.44 in a 1275-ish motor would be perfect for the street, though. |
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| Author: | rehab1964 [ Sat Apr 10, 2010 6:36 pm ] |
| Post subject: | |
1100S 1275 and gearbox + 4.2 diff 10" wheels great for wheel spin in every gear but absolutely screams above about 80k looking to change over to a 3.44 |
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