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PY Online Forums - Bringing the Pontiac Hobby Together > BUY, SELL, TRADE Classic PONTIAC "PARTS" > Performance Parts For Sale/Wanted > Wanted race Pistons 541 4.375 bore 4.5 stroke 1280 ch
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  #1  
Old 08-09-2016, 05:59 PM
541 goat 541 goat is offline
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Default Wanted race Pistons 541 4.375 bore 4.5 stroke 1280 ch
Need set of Pistons or one or two. Anyone have any.

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Old 08-09-2016, 07:09 PM
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mysticmissle mysticmissle is offline
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I have a set of diamonds just let me check ch. I know they were on 6.8 rods.

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Old 08-09-2016, 09:05 PM
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I have a set with 1.300" compression height.

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Old 08-10-2016, 05:57 PM
541 goat 541 goat is offline
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Quote:
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I have a set of diamonds just let me check ch. I know they were on 6.8 rods.
Any info. on compression height

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Old 08-10-2016, 06:37 PM
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1.17 ch

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Old 08-10-2016, 09:16 PM
541 goat 541 goat is offline
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Quote:
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I have a set with 1.300" compression height.
What are the specs on these. ring size,grams.

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Old 08-10-2016, 09:18 PM
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You have 6.7 rods don't you

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Old 08-10-2016, 09:19 PM
541 goat 541 goat is offline
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1.17 ch
Thank you for checking. Not sure if I want to buy new rods.

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Old 08-10-2016, 09:20 PM
541 goat 541 goat is offline
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You have 6.7 rods don't you
Yes,do you think they will work.

Last edited by 541 goat; 08-10-2016 at 09:25 PM.
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Old 08-11-2016, 06:30 AM
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mysticmissle mysticmissle is offline
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you will be .100 in the hole. not sure of your combo but NA i would think it is not optimum. If you have been decked alot you may not be the full .100 down though. lot of variables

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Old 08-12-2016, 02:58 PM
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Quote:
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What are the specs on these. ring size,grams.
They are CP pistons for Edelbrock heads. The tops and skirts are coated. Dome height is .16" with .305" intake valve relief and .285" exhaust valve relief. Compression height is 1.3. They were made for 4.375 bore. Piston size at .5" up from bottom of skirt is 4.37. Top ring is .043, second ring is 1/16, third ring is 3/16 plus support ring. Top ring is .330 down from top. Pistons have radial gas ports. Weight is 592 grams.

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Old 08-12-2016, 06:10 PM
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65nss4spdGTO 65nss4spdGTO is offline
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http://forums.maxperformanceinc.com/...d.php?t=725431

Calvin Hill
Hill Performance
708-250-7420

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