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final drive ratio

Posted: Sat Oct 08, 2016 11:12 am
by holty
im building a lambretta for a friend of mine, its a smallblock with an iron suzuki 190 conversion, tuned by cs tuning, its been topped and tailed, porting looks very nice, not overported, going to fit a sterling exhaust, i bought it cheap as its his first lammy and he is on a budget, its got a mk1 vijay box which is almost the same as gp200, my question is what final drive ratio to aim for, any suggestions welcome,

best regards,


holty

Re: final drive ratio

Posted: Sat Oct 08, 2016 12:06 pm
by HxPaul
I have a series 2 with a Casa 185 topend.My gearbox is the same as youve got (MK1 Vijai Super)I have 18X47 sprockets,the same as a GP 200 and it runs perfectly.

Re: final drive ratio

Posted: Sat Oct 08, 2016 12:15 pm
by holty
thanks for that paul, ive got an 18x46 scrockets in my spares selection, will try them i think.

Re: final drive ratio

Posted: Sat Oct 08, 2016 1:51 pm
by Norrie Bodge
18 x 47 he mentions m8... which are as std, GP sprockets