602 Crate Engine piston ring question
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602 Crate Engine piston ring question
What are the thickness dimensions of the three rings as engineered by GM ? Thanks Mark H.
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Re: 602 Crate Engine piston ring question
What year 602 as there not all the same?swampbuggy wrote: ↑Sat May 30, 2020 10:25 pm What are the thickness dimensions of the three rings as engineered by GM ? Thanks Mark H.
Tom
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Re: 602 Crate Engine piston ring question
Leahymtsps, sorry it took so long to respond, the pistons are in an engine that was purchased 6 months ago. Mark H.
Re: 602 Crate Engine piston ring question
just went though this last week on a 350 Chevy ,,I checked pistons on UEM/Silvolite and there's about 25 different pistons for 350 Chevys lots of different ring combos the ones that were ordered were STD 139 Hastings and were wrong 5/32 5/32 3/16 found the same rings were used in this engine with the same top rings and shallow 3/16 oil rings,, but also have a couple of different metric sizes,, the only way to know for sure is to measure them and the depth of the ring lands to be sure..
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Re: 602 Crate Engine piston ring question
If it's that new, it should have a metric ring pack 1.5-1.5-3 mmswampbuggy wrote: ↑Sun May 31, 2020 10:09 pm Leahymtsps, sorry it took so long to respond, the pistons are in an engine that was purchased 6 months ago. Mark H.
Tom
Re: 602 Crate Engine piston ring question
I have a set of those pistons that are 2mm,1.5mm and 3mm.
So much to do, so little time...
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Re: 602 Crate Engine piston ring question
depending date manufacture ... I've seen 602 with
1.5, 1.5, 3.0
2.0, 1.5, 4.0
5/64, 5/64, 3/16
https://staffordmotorspeedway.com/wp-co ... MANUAL.pdf
1.5, 1.5, 3.0
2.0, 1.5, 4.0
5/64, 5/64, 3/16
https://staffordmotorspeedway.com/wp-co ... MANUAL.pdf
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Re: 602 Crate Engine piston ring question
Thanks to all of you Folks who give me input, i will see for sure when i get them in my hands. Mark H.
Re: 602 Crate Engine piston ring question
maybe too late to reply but when i was cheating them up i called Mahle and they had replacements. Dont remenber ring pack.
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Re: 602 Crate Engine piston ring question
As has been stated in previous posts, the only way to determine the ring pack used in a crate engine is to remove a piston and measure the ring grooves. Specs are often changed quite often when crate engines are designed and/or updated.
Bill
Perfect Circle Doctor of Motors certification
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Perfect Circle Doctor of Motors certification
SAE Member (30 years)
ASE Master Certified Engine Machinist (+ two otherASE Master Certifications)
AERA Certified Professional Engine Machinist