Re: ‘68 Block ID

["'MARK EVANS' via The 1962 to 1965 Mopar Mail List Clubhouse" <1962to1965mopars@xxxxxxxxxxxxxxxx>]

R is for a 383,  2 barrel, which used regular Gas 

P is for the 383 for 4 barrel with higher compression
offered in 68,

I owned a 68  Charger with a 2 barrel carburetor 383
Mark Evans

> On May 21, 2025, at 10:21 AM, 62-65-mail-list-club-Gary-H <62-65-mail-list-club@xxxxxxxxxxx> wrote:
> 
> 
> PT383-R
> 
> I've seen speculation that the R meant regular gas. As opposed to PT383-P  which meant premium fuel required.
> 
> Thanks,
> Gary H.
> 
>> -------Original Message-------
>> From: neal zimmerman  
>> http://www.moparts.org/Tech/Archive/motor/36.html
>> 
>>> On Tue, May 20, 2025 at 9:47 PM neal zimmerman
>>  wrote:
>> 
>>> PT stands for Trenton , 383 self explanatory, R, I dont know
>>> 
> 
>>> Neal
>>> 
>>> On Tue, May 20, 2025 at 12:50 PM Donald Gallimore
>> 
>>> I'm working on a '68 383 block. On the face ic the pan rail its
>>> stamped PT383-R.
>>> 
>>> Does that mean the 4dr Fury it came out of was a Taxi or?
>>> 
>>> Akron Don
>>> 
>>> --
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Please address private email -- email of interest to only one person -- directly to that person. That is, email your parts/car transactions and negotiations, as well as other personal messages, only to the intended recipient. Do not just press "reply" and send your email to everyone using the general '62-'65 Clubhouse public email address. This practice will protect your privacy, reduce the total volume of mail and fine-tune the content signal to Mopar topic. Thanks!

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