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-   -   A couple of Mopar "legality" questions...?? (https://classracer.com/classforum/showthread.php?t=19294)

cutta 07-30-2009 11:35 AM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by treessavoy (Post 132528)
Bill, how about the 413/395hp version (inline) with the new indy wedge "ratroaster" tunnel ram for SS.

Jim R
Even better, the 413/420 combo. I would love see either of these combo's in use. My question is do you have to run the tall deck block used for the early 383's or can you use the short deck. It would seem that the 4.25x3.38 bore stroke combo would be better for making power versus the early bore stroke combo(but I'm not an engine builder). Either way I would love to see either combo in use.

Jeff Lee 07-30-2009 11:36 AM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by Chris1529 (Post 132535)
Jeff, how about an AMX with a hemi to run in SS/GT?
Fun, but it would be the heaviest GT/A car out there!

Bill Rolik 07-30-2009 11:37 AM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by cudadoug (Post 132541)
Now THAT is interesting...

What carbs are on that 343HP package??
The 343 setup uses AFB's, and I believe that certain currently available Edelbrock's are OK.

Bill Rolik

Chuck Beach 07-30-2009 11:39 AM
Re: A couple of Mopar "legality" questions...??
 
Jeff,
Of course you would claim the 500 hp engine from the B-bodied car, not the 507 hp engine from the A-bodied car ... hemi, 4 speed in your AMC, that would be neat ..

Bill Rolik 07-30-2009 11:41 AM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by Jeff Lee (Post 132551)
Fun, but it would be the heaviest GT/A car out there!
Let's see, a Hemi in an AMX.

Trying to handle that sounds like Wild Willie Borsch and his one-armed approach with the legendary AA/FA roadster years ago. So go for it already!

Bill Rolik

SS 1514

bill dedman 07-30-2009 12:00 PM
Re: A couple of Mopar "legality" questions...??
 
Would it work in a Gremlin???? Going from the ridiculous to the absurd, here... LOL!!!

treessavoy 07-30-2009 12:02 PM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by cutta (Post 132550)
Even better, the 413/420 combo. I would love see either of these combo's in use. My question is do you have to run the tall deck block used for the early 383's or can you use the short deck. It would seem that the 4.25x3.38 bore stroke combo would be better for making power versus the early bore stroke combo(but I'm not an engine builder). Either way I would love to see either combo in use.
Fred Englheart built one of those many years ago but never had time to sort it out but it looked promising...drawback, the 426 max wedge's factored down to the same HP as the 413.

Jim R

treessavoy 07-30-2009 12:06 PM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by Chris1529 (Post 132535)
Jeff, how about an AMX with a hemi to run in SS/GT?

What would be the weight distribution on that combo......90% front/10% rear?

Paul Precht 07-30-2009 12:10 PM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by cudadoug (Post 132541)
Now THAT is interesting...

What carbs are on that 343HP package??
The carbs are typically 3258 and 3259 and flow on my bench 445 and 450 cfm. The 383 inline is a great SS engine. The 413 would be poor as it has the same heads and carbs. The 383 is a low block and will allow more hood clearance for a ram type mani, Paul.

treessavoy 07-30-2009 12:12 PM
Re: A couple of Mopar "legality" questions...??
 
Quote:
Originally Posted by Bill Rolik (Post 132549)
Excellent point, but I would think that all else being equal, heads would favor "seeing" the 383 based on feeding less displacement. Unless there is some recent acceptance of currently available and/or Mopar Perf heads, the 62 is allowed to use the closed-chamber 915 heads as found on the 67 GTX.

Bill Rolik
I think the key would be getting the NHRA to ok an aluminum head like the 440 source head but with the correct valve size.

Jim R


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