Sx3 gearing for 6.5

[Gavin Collingwood]

Anyone know roughly what gearing for a sx3 with a 6.5 motor?..

[cryer-evo]

I wold start with a 20 do a 5 min race then see if its got hot if it could still slowly go up 21 and so on but you shouldn't need to go past say a 23 ? Hope this helps

[Gavin Collingwood]

I presume that's with an 83 tooth spur? I also have a 76 tooth spur, what pinion would I start with with that?

[cryer-evo]

Wot ever one comes with the car as Standerd mate think its the 83

[Gavin Collingwood]

Cheers, what effect would using the 76 have? More top end or more acceleration? I can't remember which way around it is

[Thomas B]

I did run 83/21 whit my sx3 and Noak 6.5 motor. No problem and good speed.

Edit: it was 81 spur gear on my sx3.

[cryer-evo]

If would be faster top end with a smaller speir gear

[Gavin Collingwood]

So if I ran the 76 spur what pinion with 6.5 should I start with? 20 aswell?

[cryer-evo]

With a 76 I would start with a 18 and go up from there