mopar
Joined: Feb 2003
Posts: 484
The State of Hockey
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Quote:
The facts are that very few 383's and 340 cars were capable of running in the 13's from the factory. I know the 340 Duster with a 4 spd and 3.91 rear was suppose to just touch the 13's because it was advertised as part of the RTS. But in reality most 340 Dusters would not run sub 14's from the factory.
Here are some times I found on a website from magazine tests.
1968 Plymouth Barracuda 340-S (CL)
340ci/275hp, 3spd auto, 3.23, 0-60 - 7.0, 1/4 mile - 14.97 @ 95.4mph
1968 Plymouth Barracuda 340-S (MT)
340ci/275hp, 4spd, 3.23, 0-60 - 8.1, 1/4 mile - 15.2 @ 92mph
1968 Plymouth Road Runner (MT)
383ci/335hp, 4spd, 3.23, 0-60 - 6.8, 1/4 mile - 15.0 @ 93mph
1968 Plymouth Road Runner (HR)
383ci/335hp, 4spd, 3.55, 0-60 - 6.2, 1/4 mile - 14.74 @ 98mph
1968 Plymouht Road Runner (CD)
426ci/425hp, 3spd auto, 3.55, 0-60 - n/a, 1/4 mile - 13.54 @ 105.10mph
It looks like my statement was correct. The little turbo car would eat most stock 383 and 340 cars.
The 383 was the most disappointing motor in Chryslers high performance line up. I have driven some healthy 340's over the years but the 383 required some work to become a respectable performer. I think the cam was what held it back.
Contrary to many statements from Chrysler guys I know. There is a night and day difference between the 383 and 440 in stock form.
I've seen impressive running 383's but they were not stock.
My Cuda 440 with a mild hyd cam intake carb and headers ran low 12's
Love the GLHS, but if you start making the some minor mods to the cars on the list above the are running right with the miror modded GLHS. I do agree 101 mph is impressive from a small turbo banger. 
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