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427 SBC dyno test with 245 AIRWOLF heads

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427 SBC dyno test with 245 AIRWOLF heads

Postby 1bossnova » Mon May 23, 2011 11:21 pm

We just finished up a customers 427 sbc with a set of AIRWOLF 245 heads. This was a great dyno test...the customer let us test two intakes a Fully ported Edelbrock 2925 with 4150 carb and a fully ported 2970 with 4500 (1050)


engine specs

4.185 bore x 3.875 stroke
eagle crank and rods (2.100 journal)
custom CP pistons 14.5 to 1
solid roller 282/292 @ .050 .840 lift
gz vacuum pump

AIRWOLF 245 heads
2.125 intake valves 1.60 exh vavles

2 to 2-1/8 step headers

http://www.youtube.com/watch?v=IWOT6sJJrjY

2925 with 4150 dyno sheet
Image



2970 with 4500 dyno sheet
Image
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby CNC BLOCKS » Mon May 23, 2011 11:51 pm

Nice results!!! Whats the compression on this engine?
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby Adger Smith » Tue May 24, 2011 1:19 am

Too fat and too much timing! Look at bsfc. DR. You need to pinch that bad ass dude!! :~) Might have had too much Fuel pressure and been pulling over.
Nice results...Great TQ... kick ass heads for that cu in...
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby CGT » Tue May 24, 2011 8:08 am

Nice results! Sounds rowdy.LOL. More specs on the cam and rocker ratios?

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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby revolutionary » Tue May 24, 2011 8:20 am

Looks good. How long was that second sweep? Seemed like it was there forever!
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby 1bossnova » Tue May 24, 2011 8:28 am

CNC BLOCKS wrote:Nice results!!! Whats the compression on this engine?


14.5 to 1
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby 1bossnova » Tue May 24, 2011 8:29 am

revolutionary wrote:Looks good. How long was that second sweep? Seemed like it was there forever!


the dyno sheet said 11.1 seconds
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby Lockwire » Tue May 24, 2011 2:21 pm

Good job Bruce. I agree somewhat with Adger,I think it was too fat too. Good job. Stuart. :)
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby Troy Patterson » Tue May 24, 2011 2:55 pm

Adger Smith wrote:Too fat and too much timing! Look at bsfc. DR. You need to pinch that bad ass dude!! :~) Might have had too much Fuel pressure and been pulling over.
Nice results...Great TQ... kick ass heads for that cu in...


I suspect the fuel was necessary to achieve good average power output.

Okay, let's have the details on the carburetors and why only a 1050?

Troy Patterson blog tmpcarbs.blogspot website TMPCarbs.net Engine Professionals Magazine's TMP Tuning article, pg. 44
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby Troy Patterson » Tue May 24, 2011 3:17 pm

You guys are pretty close to me, you should have hit me up for a carb for your dyno testing.

Troy Patterson blog tmpcarbs.blogspot website TMPCarbs.net Engine Professionals Magazine's TMP Tuning article, pg. 44
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby RW TECH » Tue May 24, 2011 4:19 pm

The flywheel on that thing must be pretty big & heavy to yield that much Inf.
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby RW TECH » Tue May 24, 2011 4:20 pm

The flywheel on that thing must be pretty big & heavy to yield that much Inf.
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby levisnteeshirt » Tue May 24, 2011 7:24 pm

thats a great combo
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby 1bossnova » Tue May 24, 2011 9:27 pm

Troy Patterson wrote:
Adger Smith wrote:Too fat and too much timing! Look at bsfc. DR. You need to pinch that bad ass dude!! :~) Might have had too much Fuel pressure and been pulling over.
Nice results...Great TQ... kick ass heads for that cu in...


I suspect the fuel was necessary to achieve good average power output.

Okay, let's have the details on the carburetors and why only a 1050?

Troy Patterson blog tmpcarbs.blogspot website TMPCarbs.net Engine Professionals Magazine's TMP Tuning article, pg. 44



Troy we ran one of our modified 1050 it flows 1336 dry
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Re: 427 SBC dyno test with 245 AIRWOLF heads

Postby Troy Patterson » Wed May 25, 2011 12:33 am

1bossnova wrote:Troy we ran one of our modified 1050 it flows 1336 dry


Oh, I didn't realize you did carbruetors. Makes sense now.

Troy Patterson blog tmpcarbs.blogspot website TMPCarbs.net Engine Professionals Magazine's TMP Tuning article, pg. 44
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