Timing for 514 - 460 Ford Forum
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post #1 of 5 (permalink) Old 10-14-2012, 10:48 AM Thread Starter
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Timing for 514

Hey Guys,

Need some advice on my D0OE-R headed 514 motor. It's 10.5 to 1 with a lunati 245-255 @ .050 duration lift is 620. Single plane A460 intake with a 850 DP. I run 92 in it race gas seems to make it run hotter. It is a street car 90 percent. I bought this car from a guy that has the timing locked out @ 36 total is this unusual for a bb. When it gets warm it's hard to start, but in it's defense it's turning over alot of motor with the bb reciprocating assembly. The engine ocassionally runs on for a couple seconds.I checked the cranking comp. and it checked at about 170 psi. My question is there anyone with close to this combination. I know the heads are cast iron and should have lower comp. Opinions would be really great.
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post #2 of 5 (permalink) Old 10-14-2012, 02:34 PM
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Judging by what its doing and experience sounds like it wants more timing, the iron heads NEED a good bit of ignition lead. I ran 42 total with my iron headed pumpgas engine, set the timing where it runs the best and figure out the hot start issue seperately.

P.S. The difference between 36* and 42* was exactly .500 in a 2900# truck with me in it, you do the math.

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post #3 of 5 (permalink) Old 10-14-2012, 07:12 PM
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WELL if it runs on its probaly more then that compression, and 92 is not enought oct. and get a start retard for it before you hurt something

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post #4 of 5 (permalink) Old 10-14-2012, 09:26 PM
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my 514 likes about 42 to 43 degrees with the aluminum a429 heads 9.5-1 motor .... i have tried less and it lacks pull .... had it as high as 45* but it didn't like quite that much

every motor is different

Chris

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post #5 of 5 (permalink) Old 10-14-2012, 09:33 PM
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Quote:
Originally Posted by Cj Ford View Post
my 514 likes about 42 to 43 degrees with the aluminum a429 heads 9.5-1 motor .... i have tried less and it lacks pull .... had it as high as 45* but it didn't like quite that much

every motor is different
YUP,Ive got an old one that like's 44 total,locked out

RICH
CIRCLE (R) 815 712 8738
--------------------------------
BUY,SELL, or TRADE BBF parts
Dynoed or Test STAND RAN
CYLINDER HEAD PORTING
HEAD FLOWING
COMPLETE ENGINES avb
From STOCK to NOT
PRO SYSTEMS CARBS
BOSS 302 351 429 800CI+
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