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Street and Performance A forum to discuss modifications related to street XJs and performance tweaking.

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  #46  
Old September 13th, 2017, 07:00
Green XJ Jeep Green XJ Jeep is offline
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Join Date: Mar 2011
Location: Spanaway Wa
Posts: 449
Re: Edelbrock head ported

Quote:
Originally Posted by Fosters View Post
Why on earth did Chrysler think this was a good idea, I don't know. One side of the engine bay is completely empty... while the other is busy baking the intake with the exhaust. Any such thing in the works?
Chrsyler didnt design it if they had it would have been slanted over 45degrees
The motor itself was designed in the 1960's and needed the exhaust heat to keep the fuel in suspension
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  #47  
Old September 13th, 2017, 19:02
tech1001 tech1001 is offline
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Re: Edelbrock head ported

I hate this a can not see any of these pictures , no matter what I do the pictures will not show up for me .
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  #48  
Old September 13th, 2017, 20:23
Fosters Fosters is offline
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Location: Minneapolis, MN
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Re: Edelbrock head ported

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Originally Posted by cal View Post
They did it for the same reason every one else does it - push rods.

To do a crossflow head you need to be running an overhead cam. That drastically changes the engine design and just isn't necessary for the engine in the environment it was designed for.

Its also why you won't see anyone do it for the aftermarket.
Every V8 out there has intake on the inside along with the pushrods, and exhaust on the other/out side...

well, except my powerstroke, that's backasswards.

Quote:
Originally Posted by Green XJ Jeep View Post
Chrsyler didnt design it if they had it would have been slanted over 45degrees
The motor itself was designed in the 1960's and needed the exhaust heat to keep the fuel in suspension

Good point, forgot about AMC... And yeah, fuel heat up was my original thought too... but you gotta say, from the early 90s till 2006, they could have mixed it up a lil'...

These guys cracked me up with the heating of the intake/air...
https://www.youtube.com/watch?v=LPnoRu50s9M
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  #49  
Old September 14th, 2017, 06:36
Green XJ Jeep Green XJ Jeep is offline
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Join Date: Mar 2011
Location: Spanaway Wa
Posts: 449
Re: Edelbrock head ported

Quote:
Originally Posted by Fosters View Post
Good point, forgot about AMC... And yeah, fuel heat up was my original thought too... but you gotta say, from the early 90s till 2006, they could have mixed it up a lil'.
No need, it it did its job exceptionally well and in my opinion is a way better motor than than the v6 that replaced it.
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