L92 piston and rod upgrade
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Teching In
Joined: Jun 2011
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L92 piston and rod upgrade Wanting to up my spray to 250-275 range. Want to put rods and pistons. Anyone use the summit pro ls or is there some other fairly reasonable options out there? Want to add some compression also. Mainly strip car.
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Joined: Jan 2008
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From: Ohio, Georgia, Nevada, Texas
Our Summit Pro LS pistons and rods are up to the task of a 250-275 hp shot. The pistons are modern 2618 forgings designed for boost and nitrous. They have thick ring lands for durability. The rods are top-notch 4340 H-beams precision-honed in the USA to +/- .0001". The rods come out of the box with ARP 2000 7/16 rod bolts with 200,000 psi tensile strength. Those are typically an upgrade option for other rod manufacturers. Our piston and rod kits come with a premium ring pack. They include steel top rings designed for boost and nitrous. They also include Napier-hook second rings for maximum strength and oil control.
You could increase compression to 11:1 with stock 70cc heads using our 2cc dome piston. That would be the SUM-PR36L0652 piston/rod combo for the stock bore. If you needed to go .005" over we have the SUM-PR36L0702.
If you think it's possible you will do a 300+ shot in the future, it would be a good idea to do upgraded pins. Those would be Wiseco WIS-S718.
You could increase compression to 11:1 with stock 70cc heads using our 2cc dome piston. That would be the SUM-PR36L0652 piston/rod combo for the stock bore. If you needed to go .005" over we have the SUM-PR36L0702.
If you think it's possible you will do a 300+ shot in the future, it would be a good idea to do upgraded pins. Those would be Wiseco WIS-S718.
Last edited by Summitracing; Dec 19, 2019 at 12:46 PM.
