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Match Ported Sidewinder To Blair's Pro Ports

August 8 2017 at 3:35 PM
Richard   (Login 1967XR7GT)
Members

I've had these items show up at my door. Heads are the Street Pro Ports, with stock location exh. Shock Towers made it necessary to go with stock location exh, due to how tight the 2 1/8" adjustable headers were, I couldn't take the chance with having the headers re-flanged, then dealing with fitment issues.

Then I had my "J" Sidewinder matched ported

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AuthorReply
Stangman
(Login 4828Stangman)
Members

difference

August 8 2017, 3:48 PM 

Looks nice, so what did you have before. Curious to know the power difference in your assometer.

 
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Richard
(Login 1967XR7GT)
Members

Re: difference

August 8 2017, 4:13 PM 

This was the last motor that ran in the car:

390 @ 10.5 CR
428 SCJ Heads
Offy Port a Sonic
Cam: Old Greg Foreman-Gus Davis Grind .612" lift, Dur 312* or 258 @.050"
2 1/8" Hooker's
Built C-6, 3,500 Stall
Locker 4:57

 
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Stangman
(Login 4828Stangman)
Members

difference

August 8 2017, 5:17 PM 

Now is this the motor that your putting these heads and manifold on. Were the SCJ heads ported or stock. I was going to ask what car you have then I saw your login, that should get out of its own way.

 
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Richard
(Login 1967XR7GT)
Members

Re: difference

August 8 2017, 8:43 PM 

No, those heads are not going on a 390.

The new motor:
427 @ 429 ci. flat tops @ 10.5 CR with Blair's Pro Ports, matched ported Sidewinder
Crower cam: 604/618 lift & 263/272 @ .050"
Exhaust 2 1/8" adjustable Hookers
67 Cougar, C6, 3500 stall, 4:57 locker

 
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Stangman
(Login 4828Stangman)
Members

Difference

August 9 2017, 5:05 AM 

Yes I saw the right up should be nice

 
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Chris McAlpine
(Login chris401)
Members

Is There A Different Approach Porting The Sidewinder?

August 9 2017, 12:37 PM 

Due to the carburetor offset?

 
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