Re: [AMC-list] Best years of 258 parts for Strokers

[msproviero@xxxxxxxxxxx]

Its really more a matter of whether you want the motor to spin up faster or resist slowing down.  I sell more light cranks than heavy ones and the short-nosed light YJ 258 pieces sell the fastest.

-Spro

----- Original Message -----
From: Greg Taylor <amundaza@xxxxxxxxx>
To: Rambler AMC, Nash, Jeep and family <amc-list@xxxxxxxxxxxx>
Sent: Thu, 25 Mar 2010 11:42:39 +0000 (UTC)
Subject: Re: [AMC-list] Best years of 258 parts for Strokers

Jesse,
There are also a difference in crankshafts. I think it was 1980 when AMC lightened the 258 and reduced the number of counter weights on the crank.  The Pre-1980 cranks have 12 (IIRC) counterweights and are heavier.
 
Sincerely, 
Greg Taylor 
Rochester Hills, MI
1989 Jeep Grand Wagoneer "TRMN8R2"
330-CID AMC Stroker V8




________________________________
From: Jesse <j2sax@xxxxxxxxx>
To: amc-list@xxxxxxxxxxxx
Sent: Thu, March 25, 2010 3:34:42 AM
Subject: [AMC-list] Best years of 258 parts for Strokers

I am going to post this on the Strokers Group as well.  

What are the best years of 258 parts to use for srokers?  I am getting ready to get rid of a BUNCH of engines (I have 18 in my shop) but am keeping the 4.0's and relevant 258 rotating assemblies, a couple of 360's and 401's.  

I believe it was wrist pin location that was slightly different which gave a lower C.R..  

Have a great weekend, 

Jesse

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