Nice looking Z31.....

Sorry guys,,work beckoned , :( Sean, I lifted the back and tried to do a guess on the diff ratio, and im getting 4 and a bit turns of the drive shaft to one turn of the wheel ?? The way I was raised this equals about a 4:11 , but to my limited knowledge that was not an option with this diff ?? Deffo GM and Ford stuff there !:D The times i have done are very basic ( stopwatch & passenger) . As far as I can tell there hasnt been much done to the engine , but as your no doubt aware head work etc isnt a bling thing! The rpm at 70 is around 3500 with the overdrive off , but around 2500 with on. Again as I said , im over the moon with performance of the car, just worried about reliability issues :eek:
Btw, starting the minor body issues this weekend and should be sprayed in time for Dereks and Nottingham ! :thumbs::cheers::driving:
 
Arr, if it aint GPS verified it aint valid - sorry but there's too much margin for error - borrow one of those race logic boxes or similar but I believe that the car isn't exactly standard as you suggest. Interesting intel exercise - thanks. Got my Dad all excited about his now - I can see my mum with the stopwatch.........
 
To allow for speedo inaccuarcy it should be timed to 65mph - and a two way run aswell
 
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