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Old 11-10-2017, 12:17 PM
RA1John RA1John is offline
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Join Date: Jun 2006
Location: Michigan
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Default Piston & Rod Recommendations - '68 Ram Air

Looking for piston & rod recommendations for a '68 Ram Air I engine.
Not likely it will be raced but would like something known for durability.

Thanks!

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Old 11-10-2017, 12:23 PM
ponyakr's Avatar
ponyakr ponyakr is offline
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I recommend bushed RPM H-beam rods & Auto Tec pistons, with the pin location you need to achieve zero deck height.

http://www.racingpartsmaximum.com/sa...elhbeam-2.html

https://shanonsengineering.com/colle...at-top-pistons

There are members here who can order Auto Tec pistons for you.

The Speed Pro L2262F forged pistons are plenty strong, but are also heavy & have press-in type pins. The pin height is set at 1.714. So, you'll need to cut extra material off the decks in order to get zero deck height.

https://www.ebay.com/itm/Speed-Pro-F...!US!-1&vxp=mtr

https://www.ebay.com/itm/Speed-Pro-T...RWvhp2&vxp=mtr

Some think Eagle & Scat H-beams are better than RPM H-beams. At the time of this post, the Eagles are about $65 higher than the RPM's. They're available in press pin & bushed versions.
Part # for press pin version is CRS6625PP3D. Part # for bushed version is CRS6625P3D.

https://thmotorsports.com/i-329470.a...IaApZ7EALw_wcB

https://jet.com/product/detail/3cac8...QaAr-rEALw_wcB

But, Cliff has posted that he has found most all the Chinese H-beams to be very close to spec. But, he & Paul Carter have also posted about some problems with some of the RPM 5140 I-beams.


Last edited by ponyakr; 11-10-2017 at 01:10 PM.
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