Author Topic: SP motor problem  (Read 2293 times)

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Offline Todd99

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SP motor problem
« on: March 24, 2013, 11:49:10 am »
Hi guys i have a buddy that is building a SP motor it's bored out to a 31 cube and he has a 6281 rod with a stock piston and at top dead center the piston sticks out of the cylinder about a 1/4 of an inch. Can he get a short skirt piston to take care of the problem or does he need the 6280 rod?
Todd

Offline birdman_express

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Re: SP motor problem
« Reply #1 on: March 24, 2013, 11:55:26 am »
The long ARC rod is meant to be used with the AVS piston.
I do not have that number off hand. I had a puter crash, and
can't find my notes on some stuff yet. It is on Heymow somewhere.
Or maybe someone has that number handy.
Marc Baker

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Offline Jim Knutson

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Re: SP motor problem
« Reply #2 on: March 24, 2013, 11:59:12 am »
31 AVS piston assembly #796172. the ARC rod #6281 is longer so you can cut the dish out of the piston.
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Offline birdman_express

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Re: SP motor problem
« Reply #3 on: March 24, 2013, 12:00:54 pm »
31 AVS piston assembly #796172. the ARC rod #6281 is longer so you can cut the dish out of the piston.

I will make that the start of my new notes, thanks Jim.  :+1:
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Offline Todd99

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Re: SP motor problem
« Reply #4 on: March 24, 2013, 12:27:13 pm »
Thanks for the help guys!!
Todd