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Messages - Snotty

Pages: 1 ... 169 170 [171]
Tech- - Engine / Difference in Engines
« on: October 05, 2007, 09:18:18 PM »
Yes, Chrsler made two different 331 - 354s for the matter - the only difference was one had the hemispherical combustion chamber heads, and the other had a polispherical combustuion chamber head.  The heads mount the same for both motors, which is why all you need are the pushrods.  One bank of rods - either the intake or exhaust - were shorter on the poly motor, so a person needs the hemi pushrods.
The same can be done for the Dodge 315 and many other of the early hemis.  But not the 318!  It uses an entirely differnet intake that wll not mate with the hemi heads, nor can it be made to do so.
Tater, if you look at an early 316, say in a '65 Dodge, look at the valve covers and you will see they are "Sculpted" due to the combustion chamber.  The same for the early poly motors.
They're great motors!  But, just like modern 318s or even 383s, people will trip over them looking ofr a 440 or a hemi.
Oh, why won't a 426 hemi head fit on a 440, or any B/RB block?  SImilar to teh early 318, they use completely different intakes, but also they use Allen-head bolts that come from under the head, not from the top.  There's no way to make them fit.

Tech- - Engine / Difference in Engines
« on: October 04, 2007, 07:36:58 PM »
Quote from: Potatoe
Ar, your halarious, and besides the idea of a 528 Hemi, In reference to what Snotty has said, Chrysler's Hemi was called Fire Power , and De Soto was called Fire Dome, what was Dodge and Plymouth's called. Also since the engines each had their own catch name for the brand, were these engines the same sonce they were all in the chrysler family or did each division add its own twist. This of course is in reference to 50's Hemi's.
They each had their own twist, Tater.  That was what I was saying earlier.  Unlike the 426, these early Hemis were not "corporate" motors.
Also unlike a 426, you could take the heads from a 331 Hemi and put them on a 331 Poly.  All you needed was the hemi pushrods.  But this could not be done with the 426 street wedge and the 426 hemi - or any other later wedge motor for that matter.
Most people don't know that about the early hemis.  They will look high and low for a complete hemi instead of finding a good poly motor and just look for the heads.  (This will not work for the 318 "poly" motor, contrary to popular opinion.)

Tech- - Engine / Difference in Engines
« on: October 03, 2007, 08:41:50 PM »
Quote from: Foamy_302
but nothing beats an old HEMI
How about another Hemi????

Tech- - Engine / Difference in Engines
« on: October 01, 2007, 11:37:05 AM »
About the same as the "A" 318 and the "LA" 318.  All they share are the cubes.  The new 392 is merely a cubic-inch coincidence - it is a totally different motor.
No one has mentioned that Mopar in the fifty's had three different hemi "families."  Those mentioned so far were Chrysler specific.  However, Dodge and DeSoto eack had hemi motors of totally different sizes.  (All I know are the Dodge 270 and 345.)  Plymouth was not given a Hemi in the 50's.
When the 426 Hemi appeared, it could be found in Plymouth and Dodge, but it was the same motor for both.  Chrysler was not given this motor at all.

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