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'89GTStang · 10-06-2002, 07:51 PM

I do not think that the difference between a 302 and a 306 is going to make any noticable difference. I definately would not bore out a new block that is in good shape. I don't belive that heavier pistons would affect power much but may put more stress on the rotating assymbly. I think the brand of piston would make a bigger weight difference then the .030" overbore would make. But this is just my opinion of the matter.

10-06-2002, 07:51 PM	#2
'89GTStang Registered Member Join Date: Apr 1999 Location: greenwood, ar Posts: 118	I do not think that the difference between a 302 and a 306 is going to make any noticable difference. I definately would not bore out a new block that is in good shape. I don't belive that heavier pistons would affect power much but may put more stress on the rotating assymbly. I think the brand of piston would make a bigger weight difference then the .030" overbore would make. But this is just my opinion of the matter. __________________ '89 GT K&N, Twisted Wedge heads, TFS intake,FMS 1.7 rockers, Trick Flow stage 1 cam(221/225 .530in\.542in) , 3.73's, headers, off road H-pipe, Flowmasters, FMS Clutch, Tremec, PRO-5.0, FMS driveshaft, fluidyne alum. radiator, and more to come.