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Re: 451 vs 504 crank strength

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Author  [Modern View]

11-07-2012 19:52:04

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The engines with the piston oil spray use a higher volume pump. Example 20 and 2290 with a 504 have the small crank and smaller oil pump, 23 and 2590 have large crank high volume pump and oil spray. The 1470 had large crank, no spray and small pump. Early 12 small crank, small pump, no spray. Late 12 had small crank ,BIG pump and spray. Are you confused yet? Early 13 was like the 14. Late 13 all 15,24 26, 23,25, 44, 46 all had big crank, big pump and spray. Rod.

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Die Hard Case

11-09-2012 17:13:48

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 Re: 451 vs 504 crank strength in reply to 1370rod, 11-07-2012 19:52:04  
I have a 1470 engine that I have acces to would it be better to find a 504 with the oil spray to take the extra heat or just put the high volume pump in ad call it good? I plan on rebuilding the motor anyhow I not that sure if it will create that much heat in one pass down the track to hurt anything too much. Any input is always helpfull Thanks guys Jason

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11-08-2012 03:11:30

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 Re: 451 vs 504 crank strength in reply to 1370rod, 11-07-2012 19:52:04  
Hey Rod i didnt think the 1270s ever had piston cooling on them since they were all 451s. But i dont think i ever worked on a very late one either. Thad

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11-08-2012 05:47:57

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 Re: 451 vs 504 crank strength in reply to Thad, 11-08-2012 03:11:30  
I was surprised to see that also, it would be to only non 504 engine that I know that had it, Rod.

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