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Rousch blown gt in for surgery

16MustangVet

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http://www.jpcracing.com/rgr-jpc-cnc-stage-3-coyote-5-0-cylinder-heads/

jpc #s

Stock Heads

Lift intake ex

.100 99 72.2

.200 180.2 147.8

.300 243.5 180

.400 280.0 189.7

.500 289.4 201.4

.600 298.4 202.1



RGR PORTED

.100 102 88

.200 205 160

.300 271 205

.400 305 221

.500 327 232

.600 339 243

.650 342 249


if your numbers are in the 300s at .600 you are damn close and better in some areas than the jpc stage 3s!

Geezus i need a set loaded with some comp cams! :)
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Gremlinsteve

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These heads still have the stock valves too
I would need to look at what's available in the aftermarket for them
And then look at the shapes ect!
 
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Gremlinsteve

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Somewhat closer. All works done except cleaning the surface of the head
image.jpg
 

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tsloms

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So how well does it flow after porting and polishing? Do tell!! :)
 
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Gremlinsteve

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Exhaust was surprising. When a pipe was added to the head the flow jumped an incredible 36 cfm and peaked at 277
 
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Gremlinsteve

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So how well does it flow after porting and polishing? Do tell!! :)
In the post I gave flow numbers for the intake
I think on page two

The exhaust was finished today. It's numbers are in the pic below
image.jpg
 

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Gremlinsteve

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End result on the intake

.100- 101
.200- 189
.300- 254
.400- 298
.450- 315
.500- 328
.550- 340
.600- 350
 

tsloms

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Those are fantastic numbers!!! Great job sir.
 
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Gremlinsteve

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Thanks guys
Retired life has me wanting to get back into doing this to keep me busy!!
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