Ring part number

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Ring part number

Post  away on February 27th 2017, 2:18 pm

Need part number for rings. 4.3 stroke 6.8 rod .030 over probe forged piston.
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Post  manofmerc on February 28th 2017, 5:38 am

This is what I am using mahle (sealed power)315-0010035.This has a low tension oil ring napier second ring moly top and 1/16 thickness .030 oversize .

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Re: Ring part number

Post  away on February 28th 2017, 10:18 am

manofmerc wrote:This is what I am using mahle (sealed power)315-0010035.This has a low tension oil ring napier second ring moly top and 1/16 thickness .030 oversize .

Thanks man please refresh my memory apparently I have forgot a lot lol.  What does the low tension oil rings do?  I'm pretty sure that's what I have been running too.  naturally aspirated Alky Injection deal. Also can't find this part number through Jegs.
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Re: Ring part number

Post  BBFTorino on March 1st 2017, 12:57 am

Call Total Seal and tell them what you need!!

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rings

Post  manofmerc on March 1st 2017, 6:19 am

Low tension rings reduce friction and the napier second ring has less friction as well and it is a really good oil scraper .Maybe someone more knowledgeable than myself will chime in on this .Here is that pn again 315-0010035.And a # for mahle 888 255 1942 .

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Re: Ring part number

Post  gt350hr on March 1st 2017, 11:46 am

A major source of drag ( and "parasitic" horsepower loss) is from piston rings. Oil rings especially. A low drag oil ring has an expander that doesn't create as much drag and frees up some power. "Some" feel this has an effect on oil control in a bad way. The use of a "napier" second ( special undercut for improved oil control) eliminates the potential problem. The result is less rotating friction and more HP.
I would run the above noted ring set for sure.

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Re: Ring part number

Post  away on March 2nd 2017, 2:34 pm

Thanks guys
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Re: Ring part number

Post  away on March 9th 2017, 9:39 am

In my search for rings and calling the above number. With alcohol injection naturally aspirated bracket car they recommended a gapless style ring. Have any of you guys ran these rings and what is your opinion of them.

Thanks
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Re: Ring part number

Post  BBFTorino on March 9th 2017, 5:25 pm

I've ran gapless in a turbo application, and that will be the only thing I'll ever run.

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Re: Ring part number

Post  rmcomprandy on March 9th 2017, 8:57 pm

away wrote:In  my search for rings and calling the above number.  With alcohol injection naturally aspirated bracket car they recommended a gapless style ring.  Have any of you guys ran these rings and what is your opinion of them.

Thanks
A gaples ring probably won't make any more power but, it will have less oil dilution.

I would never use a gapless 2nd ring, (except on a part throttle grocery getter engine), however, a gapless top does have some merit with alcohol fuel.

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Re: Ring part number

Post  away on March 10th 2017, 12:09 pm

rmcomprandy wrote:
away wrote:In  my search for rings and calling the above number.  With alcohol injection naturally aspirated bracket car they recommended a gapless style ring.  Have any of you guys ran these rings and what is your opinion of them.

Thanks
A gaples ring probably won't make any more power but, it will have less oil dilution.

I would never use a gapless 2nd ring, (except on a part throttle grocery getter engine), however, a gapless top does have some merit with alcohol fuel.


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