Re: How to make a early Hemi a good cruiser ?
[Re: moparx]
#2798903
07/20/20 12:21 PM
07/20/20 12:21 PM
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Joined: Feb 2003
Posts: 16,186 Mesa, Arizona
dart4forte
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I Live Here
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Posts: 16,186
Mesa, Arizona
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first thing ya need to do, is pick up a copy of Tex Smith's "The Complete Chrysler Hemi Engine Manual"" by Ron Ceridono. it's been out of print for a while, but i think you may be able to pick up a copy on the bag. maybe elsewhere ? i haven't looked. don't know what to tell ya on mpg. either adapt an A518 or use a gearvendor. stock engines in the cars they came with were not known for gas misers, but weren't too bad for the times. put in a lighter vehicle, it would definitely help, but by how much, who knows ? as to the unleaded gas issue, hardened exhaust valve seats would be a good idea, however, unless you are beating on it at the drags, or stop light to stop light, this may not be entirely necessary. chrysler used way better material in their engines than did the others, and you may be able to skip this step unless the seats are beat in bad, or the valves are burnt up. and don't forget this : "hemis = $$$". they are not an inexpensive engine to build. Actually, instead of harden seats go with stainless valves. May cost more buy they really hold up from years of use. Been doing it for years.
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: How to make a early Hemi a good cruiser ?
[Re: IcorkSOAK]
#2798905
07/20/20 12:25 PM
07/20/20 12:25 PM
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Joined: Feb 2003
Posts: 16,186 Mesa, Arizona
dart4forte
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I Live Here
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Mesa, Arizona
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84 beans shipping !! ... oUcH Stupid money
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: How to make a early Hemi a good cruiser ?
[Re: Old Ray]
#2799084
07/20/20 07:42 PM
07/20/20 07:42 PM
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Joined: Jan 2003
Posts: 31,200 Oregon
AndyF
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I Win
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Posts: 31,200
Oregon
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Minor clarifications.. The first Plymouth only engine, the 'A' series, was 1956 at 277 cubic inch. The Dodge based Poly engines, 241 and 270 overlaped the A engine into 1956 in the Plymouth car line. The Chrysler 'Poly' engine was the Spitfire and was first used in the 1955 Windsor as a 301 ci. This is a poly head on a Hemi block. This is NOT the same as the Plymouth 301 which is an A engine. In 1956 the Spitfie used the 331 block and in '57 and '58 was a 354. The Dodge based Poly can be converted to Hemi. The Spitfire can be converted to Hemi. The Plymouth A series cannot be converted. Is there a LOGICAL explanation for why the engineers at the time (and latter) had such a proliferation of different unrelated engines ... other than LSD in the water cooler? For the average klutz (me) it is impossible with out a cheat sheet to keep this all straight`, ... it gives me a headache! They didn't know any better. They thought they were improving things. They didn't understand that they were polluting the production line until some point in the 70's when the Japanese started to kick their rears. Then they figured out that they didn't have to change everything every year.
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Re: How to make a early Hemi a good cruiser ?
[Re: AndyF]
#2799095
07/20/20 07:58 PM
07/20/20 07:58 PM
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Joined: May 2019
Posts: 6,497 nowhere
Sniper
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master
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Posts: 6,497
nowhere
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They didn't know any better. They thought they were improving things. They didn't understand that they were polluting the production line until some point in the 70's when the Japanese started to kick their rears. Then they figured out that they didn't have to change everything every year.
I think 60's is more when they last consolidated the engine lineup, heck even before the proliferation of Hemi's and Poly's Chrysler essentially had two engine lines, the 23" flathead and the 25" flathead sixes. The small 6's got put into Plymouth's and Dodges, where as the big 6's went to Desoto and Chrysler and Dodge trucks. Canada was another story though.
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Re: How to make a early Hemi a good cruiser ?
[Re: Sniper]
#2799690
07/22/20 10:21 AM
07/22/20 10:21 AM
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Joined: Feb 2003
Posts: 16,186 Mesa, Arizona
dart4forte
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I Live Here
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Mesa, Arizona
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I have an empty engine stand just waiting for an early Hemi.
“So if it’s on the internet it must be true”
Abe Lincoln
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Re: How to make a early Hemi a good cruiser ?
[Re: dart4forte]
#2799978
07/22/20 09:08 PM
07/22/20 09:08 PM
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Joined: Jan 2003
Posts: 10,838 Freeport IL USA
poorboy
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I Live Here
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I have an empty engine stand just waiting for an early Hemi. I had an early Hemi for a while, that better be a really good engine stand.
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Re: How to make a early Hemi a good cruiser ?
[Re: poorboy]
#2800454
07/24/20 12:29 AM
07/24/20 12:29 AM
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Joined: Jul 2008
Posts: 30,632 Florida STAYcation
IcorkSOAK
OP
Financed his waterbed
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OP
Financed his waterbed
Joined: Jul 2008
Posts: 30,632
Florida STAYcation
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pb ... I’m jsta funnin oleHam2 ! Oh I would IMAGINE it would take A BUNCH of work to adapt that carb to any early Hemi intake .....and NOT to a valuable 4 bbl intake. THEN to adapt any TQ to a 241 inch motor ??!! XXXX special secondary jets would have to be made
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