Author Topic: 3120  (Read 720 times)

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Offline EHP

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Re: 3120
« Reply #10 on: January 01, 2012, 11:32:00 pm »
Yes  Al but to some ones eye that has ported alot of motors you can guess very close with out numbers just by looking at a  jug that has been ported , and race jugs are even easier cause with the transfer bridges cut out you know the step in is just above where the ring comes down to but does not touch it so you got a point to judge the rest of the ports by , If you see the piston then you know how wide  the ports are going to be and if they used a 4 mm corner or 5 mm corner on the ports , you can tell alot by looking at a picture

 

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