11-23-2006, 08:59 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Milodon uses a vibrating marker to scribe the part # on the body of the pan. Is 31600 scribed on your pan?. I had a Milodon RR pan and it fit perfect. Are you using a stock 289/302 block or is it an aftermarket block? As you stated the 31600 is for a 289/302 but a very similar 31630 is for a 351W. Maybe it is mismarked. It may be bent a little or ir could have closed up a little during the welding process. If you have the 31600 use a spreader or hammer gently on the inside of the rails to open it up. The main cap seal area would be much larger diameter on a 351W, check this before hammering on the pan.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 11-23-2006 at 09:14 PM..
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