Question about piston rings

iused2sk8in98 · June 10th, 2009, 07:11 PM

Hey guys..i'm rebuilding motor and I'm leaning toward some speed pro pistons. I was wondering if you guys could tell me what the difference is between getting the pistons with the American size rings and the metric sized rings. Is there a better one? I'm doing a forged piston and supercharger set-up. Thanks for any help.

1slo5.0 · June 10th, 2009, 08:21 PM

Why Speed Pro?

Some pistons have different ring sizes. Smaller ring sizes have less friction.

iused2sk8in98 · June 10th, 2009, 08:46 PM

I had just heard people say they were good replacement pistons. Do you recommend anything different?

1slo5.0 · June 10th, 2009, 10:11 PM

Originally Posted by iused2sk8in98

I had just heard people say they were good replacement pistons. Do you recommend anything different?

I guess I would have to start with why are you replacing pistons? And yes I have other recomendations or one anyway. Probe. High quality, light weight and affordable. If you are going thru the work you might as well throw some better slugs in it. Unless you are doing a stock rebuild and really don't care much about performance, then use whatever is cheapest.

June 10th, 2009, 07:11 PM	#1
iused2sk8in98 Newbie Join Date: Dec 2008 Posts: 27 iTrader: 0 reviews	Question about piston rings Hey guys..i'm rebuilding motor and I'm leaning toward some speed pro pistons. I was wondering if you guys could tell me what the difference is between getting the pistons with the American size rings and the metric sized rings. Is there a better one? I'm doing a forged piston and supercharger set-up. Thanks for any help.

June 10th, 2009, 08:21 PM	#2
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	Why Speed Pro? Some pistons have different ring sizes. Smaller ring sizes have less friction. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

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June 10th, 2009, 08:46 PM	#3
iused2sk8in98 Newbie Join Date: Dec 2008 Posts: 27 iTrader: 0 reviews	I had just heard people say they were good replacement pistons. Do you recommend anything different?

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