Re: pro's/con's low tension oil rings
[Re: rebel]
#1616841
05/06/14 06:55 AM
05/06/14 06:55 AM
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Joined: Jan 2003
Posts: 2,932 Finalnd, Perkele
jyrki
master
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master
Joined: Jan 2003
Posts: 2,932
Finalnd, Perkele
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Pro's; it takes less power to turn the engine over con's; They don't their job as well as the standard tension rings, unless you are usin a vacuum pump.
Plynouth VIP '67 TT IC EFI
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Re: pro's/con's low tension oil rings
[Re: rebel]
#1616842
05/06/14 09:38 AM
05/06/14 09:38 AM
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Joined: Jan 2003
Posts: 9,996 Frostbitefalls MN (Rocky&Bullw...
gregsdart
master
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master
Joined: Jan 2003
Posts: 9,996
Frostbitefalls MN (Rocky&Bullw...
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Each combo will be different, but the basics are just how much oil gets by the ring you use. Acceptable for a race motor and a street motor are different. A race motor can burn more oil because we don't care about oil consumption in a race motor. The problem is when too much oil gets by the rings then it lowers the octane of the fuel used.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: pro's/con's low tension oil rings
[Re: rebel]
#1616843
05/06/14 11:52 AM
05/06/14 11:52 AM
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Joined: Jan 2003
Posts: 13,363 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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For anything that sees the street, I would not use low tension rings or a vacuum pump. Stick w/ std. tension rings and some vent lines from the valve covers to a puke tank.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: pro's/con's low tension oil rings
[Re: rebel]
#1616845
05/06/14 03:59 PM
05/06/14 03:59 PM
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Joined: Aug 2003
Posts: 43,163 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,163
Bend,OR USA
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Two things come into my mind on piston rings, thickness of the face and the tension. I'm almost positive that all the new cars have thinner piston rings than before, 5/16 inch face old days, 1.5 MM or 1.0 MM rings now The last stroker motor I built for myself has 1.5 MM top and 2nd MM rings with a 3.0 MM low tenison oil rings, no vacume pump or crankcase evac. system, two breathers on each valve cover I forgot to measure the rotational break away and rotataional torque but it is a bunch less than the other motors with 1/16,1/16, 3/16 standard oil tension ring set that I have built My next motor will have 1.0,1.0, 3.0 MM low tension rings with a vacume pump Let us know what you decide
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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