Okay, here's what I know. The 340 came out in 68 and was in production until 73. It was replaced by the 360 in 74. The 340 was only a high performance engine. You could only get a 4 BBL Thermoquad on the 340, no 2 BBL option on it ever. I think HP was listed at 285 for the whole run, but it's been widely accepted that this figure was underrated. I'm not positive, but I believe the crank, and perhaps all the engine's internals) was forged for the whole production run.
If his truck does have a 340 in it, he's doing pretty good. Even if he wants to go back to stock, he can sell the 340 for some decent money. A-body fans especially love them as they make an A-body scream.
One last tidbit. Starting in 71, in high-performance B-bodies, the big block was standard and the 340 was an extra cost option. It was sid that the 340 B-bodies handled much better than their big block relatives. Kind of interesting.
I hope this helps.
Brian
To: 1962to1965mopars@xxxxxxxxxx
From: micher@xxxxxxxxxxxxxxx
Subject: off topic 340 engine
Date: Mon, 21 Feb 2011 01:21:52 -0600
A friend called me and said he had bought an A100 Dodge from the early
60's It was origionally a 273 V8 but now has a 340. He was asking me about
this engine. I know a little bit about some of them , but figgered someone
here would know a lot more. I think they are all a higher performance
engine. What years were they in production and what were the various
horsepower ratings . Basically how were they equipped to achieve their stock
horsepower? Thanks for any info........................MO
{Steve Mick}
http://stevemick1964dodge.shutterfly.com/pictures/5
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Please address private mail -- mail of interest to only one person -- directly to that person. I.e., send parts/car transactions and negotiations as well as other personal messages only to the intended recipient, not to the Clubhouse public address. This practice will protect your privacy, reduce the total volume of mail and fine tune the content signal to Mopar topic. Thanks!
1962 to 1965 Mopar Clubhouse Discussion Guidelines:
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