Dyno pulls today

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05-10-2004, 09:51 PM

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Dyno pulls today

509 CID
Crane 731 (226/234 .587/.610)
Lunati 4130 forged cranks
4130 connecting rods
TRW pistons
Lunati roller rockers
Merlin Heads
Weiand 256 blower 5lbs (6.5" lower 3.75 upper)
Holly 750 carbs
30 degrees advance

torque HP
4000 656 500
4500 634 543
5000 638 607
5100 633 614
5200 610 604 *
5300 605 610
5400 597 613
5500 586 614
5600 578 617

Still have some playing to do!

05-10-2004, 09:53 PM

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05-11-2004, 07:29 AM

Cord

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You made some really nice power there!

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05-11-2004, 11:16 AM

dyno

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Nice Bob! can I borrow the pair of them??? mine is still in a million pieces. The work thing is getting in the way of my wrenching!!

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05-11-2004, 03:02 PM

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Those look like some great numbers for a boat engine. Looks like you won't have to wind the motors up to an excessive rpm to get it to run right on the boat.