Author Topic: My 496 FE on the dyno  (Read 969 times)

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Kerry j

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My 496 FE on the dyno
« on: August 20, 2011, 05:39:00 PM »
Here's my 496 FE on the dyno. I've been messing with it and building it for about 5 years, finally finished it up and got it on the dyno this week. It's not nearly as impressive as Barry R's bad boy, but it's pretty respectable for a solid cam, 9.5 - 1 compression ratio street machine. Here's the youtube of it running. I had to stand there in the test cell during the pull to get the video and I'll tell you what; that is one wild screaming machine!!!

http://www.youtube.com/watch?v=DH6zVS-9v4A&feature=mfu_in_order&list=UL

The cam is a Crane F-266, it has 266 duration at .050 and .621 lift the pistons are Diamond with a 22cc dish, the heads are aluminum Dove SK's and they flow 340 in and 240 exhaust. The block is a Genesis iron block with a 4.31 bore, it's got a Scat 4.25 crank and Scat H Beam rods. The intake is a Dove Tunnel Wedge with 710 cfm BC-DC carbs. The dizzy is a Pertronix II Billet and I'm running a MSD 6AL box.

Peak HP was 644.1 @ 6300 RPM, Peak torque was 629.7 @ 4800 RPM. It's going in my 64 Galaxie with a 3.89 rear end and wide ratio toploader, no power anything, but it will have A/C LOL!!!

Lots of credit and thanks to Ross; he put up with my endless questions and helped me get everything just right, I would never have got it done without his help.

As an aside; the dyno operator Earl, is a big time chevy guy, he races two car on a regular basis and he had just built and tested a 496 ci BBC .... and it made 633 hp at 6500 RPM. Needles to say, he was stunned and impressed with my old dinosaur!

Kerry
« Last Edit: August 20, 2011, 07:05:05 PM by Kerry j »

RLander

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Re: My 496 FE on the dyno
« Reply #1 on: August 20, 2011, 09:40:38 PM »
Nice results! I have not checked the Dove website before. Looking at it now, which version of the SK heads do you have? I also have a 64 and would like similar power numbers ~550. however probably from a 445 :(

1964 Galaxie "Super Frod"
390, 4spd

Kerry j

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Re: My 496 FE on the dyno
« Reply #2 on: August 20, 2011, 09:55:22 PM »
The heads are Dove MEDIUM RISER SK-3536 heads, but I had R&R Performance port them and they improved the flow quite a bit. I don't think you could use them on a 445 stroker, I think the valves would hid the cylinder bores.

jayb

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Re: My 496 FE on the dyno
« Reply #3 on: August 21, 2011, 08:06:58 AM »
Nice results Kerry!  That is going to be a fun engine - Jay
Jay Brown
- 1969 Mach 1, Drag Week 2005 Winner NA/BB, 511" FE (10.60s @ 129); Drag Week 2007 Runner-Up PA/BB, 490" Supercharged FE (9.35 @ 151)
- 1964 Ford Galaxie, Drag Week 2009 Winner Modified NA (9.50s @ 143), 585" SOHC