Pics of some JDM porting
#11
it's not that much of an extreme exhaust port, still left the sleeve in.
How's about this one!!
Running in about 8 or so engines so far, mostly street driven 12a, 13b, bridgeport, PP and turbos.
Have had NO apex failures.
How's about this one!!
Running in about 8 or so engines so far, mostly street driven 12a, 13b, bridgeport, PP and turbos.
Have had NO apex failures.
#12
Gotta agree with Peril 787b, not very extreme at all, I've done wider. You would be suprised how wide you can actually go. I've done 10mm from the edge of the housing with no noticeable wear, on a motor that was daily driven for over a year on stock 3 pc 2 mil apex seals. If you went up about 8mm and down about 3mm on that port you would have the port in my old car that spent the last 3+ yrs on the street at over 450whp regularly revved to 10k.
#13
Originally Posted by IGY' post='825318' date='Jun 21 2006, 02:55 AM
If you went up about 8mm and down about 3mm on that port you would have the port in my old car that spent the last 3+ yrs on the street at over 450whp regularly revved to 10k.
When you say 3 years, how many miles would you estimate?
#14
Originally Posted by RONIN FC' post='825513' date='Jun 23 2006, 04:32 AM
How far out would you port a street car? Anything special on the closing edge?.
When you say 3 years, how many miles would you estimate?
#15
Originally Posted by IGY' post='825318' date='Jun 21 2006, 02:55 AM
Gotta agree with Peril 787b, not very extreme at all, I've done wider. You would be suprised how wide you can actually go. I've done 10mm from the edge of the housing with no noticeable wear, on a motor that was daily driven for over a year on stock 3 pc 2 mil apex seals. If you went up about 8mm and down about 3mm on that port you would have the port in my old car that spent the last 3+ yrs on the street at over 450whp regularly revved to 10k.
I'm finally going to assemble that engine
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