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View Full Version : Porting Limits on E7 castings for R/S

NoTime
07-08-2003, 03:36 PM
In the 2003 NMRA Rule book it says that the stock E7 casting can be ported. Are there any porting limits?? Intake/exhaust, bowls, chambers?
Thom Bates
07-09-2003, 03:59 PM
No epoxy, no welding

Thom
NoTime
07-10-2003, 12:29 AM
Thanks!