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-   -   Need to Identify 351/302 Aluminum Heads (http://www.clubcobra.com/forums/all-cobra-talk/93171-need-identify-351-302-aluminum-heads.html)

mdauth 11-21-2008 07:03 AM

Need to Identify 351/302 Aluminum Heads
 
These are 351/302 aluminum heads with seem to be 57cc combustion chamber. Looking to identify these heads, there are no casting # only them and these are the only #'s stamped on the outside, s/n SB-188-2-1890, A3865. Thanks, Mike
http://www.clubcobra.com/photopost/d.../IMG_3743c.JPG
http://www.clubcobra.com/photopost/d.../IMG_3741c.JPG
http://www.clubcobra.com/photopost/d.../IMG_3740c.JPG

Ital-cobra 11-21-2008 11:01 AM

Mike do you have more info?

Jac Mac 11-21-2008 12:24 PM

Look like Trick Flow's to me--TFS.

Ital-cobra 11-21-2008 03:20 PM

Jac Mac what makes you think they're trick flows would'nt it be written.

Jac Mac 11-21-2008 04:03 PM

Have a photo in a magazine here with a set of early TFS in line valve street heads as sold by JBA ( John Bittle American Inc ), they dont appear to have TFS logo etc cast /stamped on them, perhaps JBA had an agreement to sell sans casting logo's etc at time. Same heads appearance wise with drilling above exh ports etc as per those ones.

Ron61 11-22-2008 03:28 AM

Mike,

Do you know the valve sizes for the intake and exhaust? that might help some of the more knowledgeable guys on here determine just what heads they are.

Ron

mdauth 11-22-2008 04:10 AM

Ron,
The valves size are, Int. 1.93 and the exh. 1.6

Ron61 11-22-2008 06:12 AM

Mike,

I had the Twisted Wedge Trick Flow heads on my Cobra and they had larger valves and looked just a little different. Maybe the porting and polishing made the ports look a little different.

Ron

Jac Mac 11-22-2008 11:11 AM

These are not ''Twisted Wedge''- which naturally look different to these due to the valve angle changes etc.


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