Pix of my 7120 head

Performance mods and Advanced Stroker discussion.
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dwg86
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Pix of my 7120 head

Post by dwg86 »

Here are some shots of my stroker head that I'm working on. The combustion chambers have been polished and opened up to 61.4cc's. The ports have been cleaned but not re-shaped. The valves are SBC 1.94 and 1.50 stainless steel, undercut and swirl polished. The springs are Mopar performance with comp cams retainers and 10 degree locks.
Combustion Chamber.JPG
Exhaust port.JPG
Intake ports.JPG
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seanyb505
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Re: Pix of my 7120 head

Post by seanyb505 »

Looking quite nice!
Now I can be like all those other awesome people with more than one Jeep in their sig, but now I have to say one of them is sold:(
97 XJ 4.6
90 MJ 4.0 - sold

I want to have as many Jeeps as children. DD, offroader, drag MJ and another one. 4=4
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John
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Re: Pix of my 7120 head

Post by John »

Looks like a good job.
John
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Mgardiner1
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Re: Pix of my 7120 head

Post by Mgardiner1 »

Definitely looks good. Looks better then mine :-( LOL

I noticed you accented the bump by the spark plug hole. I smoothed mine out, made the bump disappear.
oletshot wrote:....and silvolites are only cast not hypericantspellits. :-)
dwg86
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Re: Pix of my 7120 head

Post by dwg86 »

Mgardiner1 wrote:Definitely looks good. Looks better then mine :-( LOL

I noticed you accented the bump by the spark plug hole. I smoothed mine out, made the bump disappear.

What cc's did you end up with?
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Mgardiner1
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Re: Pix of my 7120 head

Post by Mgardiner1 »

I'll let you know when i get the head back. When i was done grinding i put the head back in my jeep, and brought it down to the machinist a few days later. So i didn't CC it. When i cc'd it before starting though, i remember seeing 60cc's before grinding. Think thats possible from the factory?
oletshot wrote:....and silvolites are only cast not hypericantspellits. :-)
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Mgardiner1
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Re: Pix of my 7120 head

Post by Mgardiner1 »

Well, i did say i'd update this thread when i had an example of what i did differently in the combustion chamber. So follow the link to my project thread for pics :-)

7th post down has pics of the head

viewtopic.php?f=8&t=411
oletshot wrote:....and silvolites are only cast not hypericantspellits. :-)
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