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HP manifold ? did they make hp's in 74?

Started by grdprx, March 08, 2008, 02:25:32 PM

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grdprx

March 08, 2008, 02:25:32 PM
I'm looking for some HP manifolds for my 68 with a 440.

I found some on craigslist, but I wasn't sure if they're what I want.

"Big block 74 hi flow manifolds [magnum] b body"

Are these HP's?

694spdRT

#1
March 08, 2008, 04:00:08 PM
Those are HP manifolds but not the correct ones for a '68. They may "fit" but will not be what yours had originally.
1968 Charger 383 auto
1969 Charger R/T 440 4 speed
1970 Charger 500 440 auto
1972 Challenger 318
1976 W200 Club Cab 4x4 400 auto 
1978 Ramcharger 360 auto
2001 Durango SLT 4.7L (daily driver)
2005 Ram 2500 4x4 Big Horn Cummins Diesel 6 speed
2005 Jeep Grand Cherokee Limited 5.7 Hemi

Nacho-RT74

#2
March 08, 2008, 04:35:39 PM
Could get some fit issues on flange to pipes, but is a bolt on on head. maybe also some slight diff on casting.
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

grdprx

#3
March 09, 2008, 12:39:15 AM
Is the preformance the same between the 74's and 68 HP's?  I've been going back and forth between headers and some HP manifolds.  I suppose if I'm going to spend the cash, I ought to get what work's and fit's the best, eh?
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