does ausmini have a resident su guru?
i have my car all back together now after the work was all done to it.

i now have an unleaded 940 head with 1.4" inlets a shave and a little bit of porting and an re13 cam now.

the engine is a 1275 + 30 though (i thought they only went in 20 40 or 60 though increments so what would + 30 make it?)
still has extractors and electronic ignition as previous

unforrtunatly i don't have the cash on hand to get my proposed carby, a 1.75" just at the moment. so in the meantime i would like to set up my 1.5" to run safely on the new setup.

winSU won't give me a suggestion for my 1.5" as it recomends i be running a 1.75" so can anybody here tell me that needle i should be using at least in the interim till i can afford my 1.75" su?

cheers steve

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Cheers Steve.


1973 south african mk3, 1275 +30 (1300), RE13 cam, hif44, mildy worked head with s sized valves, pulsar dizzy, 1.5:1 minispares forged rockers.

My best and Normal reaction is for you to contact Bill Silertsen (silvo i Thinki'll check) @ Midel Lakemba NSW 02/9759 5598 Will listen and talk to you.
I'm Guessing you have not had it dyno'd recently or prior

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Stop Licking the Dog...I Don't Care Who Started It

no need to prior
but will definatly be happening after i switch to the 1.75"su
all i am after at the moment is to not melt the pistons down basically

cheers steve

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Cheers Steve.


1973 south african mk3, 1275 +30 (1300), RE13 cam, hif44, mildy worked head with s sized valves, pulsar dizzy, 1.5:1 minispares forged rockers.

He'll get you on the green

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Stop Licking the Dog...I Don't Care Who Started It

A +.030" rebore gives 1300cc, these pistons were popular for racing in 1300cc class. (call them 1299.... )

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.