1971 Roadrunner with 383
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- Satellite Coupe (RL)
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68 GTX 440, auto
1971 Roadrunner with 383
I'm hoping for some clarification regarding a car I'm looking at. It's a 383 car but it was manufactured in October 1970. Would this early production date make this 383 a high compression 383 with 1970 specs? I'm assuming it's early production and that there would be leftover 1970 383's that they didn't dispose of. If anyone has any information on this topic, it would be appreciated. It would be great to have the 335 hp engine over the 300 hp lower compression.
Is this possible or just wishful thinking??
Is this possible or just wishful thinking??
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- GTX (RS)
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Re: 1971 Roadrunner with 383
Unfortunately it sounds like dreaming to me. I don't consider October of 1970 to be early. Considering they start building them in early August. With as many 1971 RRs as they made. I doubt if they had any left over early 383 hi-po engines by then.
- sdweatherman
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1974 KB5 Plymouth Road Runner GTX Dealer Announcement car - Location: Rapid City, SD
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Re: 1971 Roadrunner with 383
Ditto on ILUV72RRs assessment. 1971 production started in early August, and any chance of a leftover engine would have been gone by October. Scott.
1971 GY8 Plymouth Satellite Sebring Plus
1971 GB7 Plymouth Satellite Sebring Plus w/factory Sunroof
1972 EV2 Plymouth Satellite Sebring Plus w/factory Sunroof
1974 KB5 Plymouth Road Runner GTX Dealer Announcement car
1971 GB7 Plymouth Satellite Sebring Plus w/factory Sunroof
1972 EV2 Plymouth Satellite Sebring Plus w/factory Sunroof
1974 KB5 Plymouth Road Runner GTX Dealer Announcement car
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- Satellite Coupe (RL)
- Posts: 16
- Joined: Sat Feb 16, 2013 9:58 am
- My Cars: 71 340 Duster, 4spd
68 GTX 440, auto
Re: 1971 Roadrunner with 383
I'm an optimist by nature.....thanks for the responses.
Re: 1971 Roadrunner with 383
No chance for a large stockpile of engines left over at the end of model year, certainly not big enough to last until October. That inventory was matched and sequenced pretty closely to vehicle production. Any leftover inventory likely would have been converted to service parts.
-Jim
"I can fix it... my old man is a television repairman... he's got the ULTIMATE set of tools... I can fix it."

"I can fix it... my old man is a television repairman... he's got the ULTIMATE set of tools... I can fix it."
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- Satellite Coupe (RL)
- Posts: 16
- Joined: Sat Feb 16, 2013 9:58 am
- My Cars: 71 340 Duster, 4spd
68 GTX 440, auto
Re: 1971 Roadrunner with 383
I drove it today.....it was a dog! My 440 GTX is in a different league...
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- Satellite Sebring Plus (RP)
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Re: 1971 Roadrunner with 383
That's to bad. Can't compare apples to oranges.The big question are you still going to get the car?
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- GTX (RS)
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Re: 1971 Roadrunner with 383
If you still get the car, the good news is that this is no longer 1971 and the car does not have any government regulations regarding emissions any longer. This, of course means, you can do internal changes without worry of the car not passing smog. Heck, they are even exempt in California, the smog check capital of the world!