#'s 440 to a '71 Plymouth here?
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- GTX (RS)
- Posts: 152
- Joined: Sun Sep 20, 2009 9:43 pm
- My Cars: Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X - Location: NY
#'s 440 to a '71 Plymouth here?
This block is supposedly out of a '71 V-code RR, looks like a '71 St. Louis car 1G150102...
http://cgi.ebay.com/ebaymotors/RARE-Mop ... 20add5cd71
http://cgi.ebay.com/ebaymotors/RARE-Mop ... 20add5cd71
My Mopars:
Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
'70 Super Bee 440 6 pack 4-spd 4.10 Dana EB5 N96
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X
Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
'70 Super Bee 440 6 pack 4-spd 4.10 Dana EB5 N96
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X
Re: #'s 440 to a '71 Plymouth here?
Tne 1 means 71 the G is St Louis Plant, the rest of the #s are the Serial #s of the car or VIN. What is the casting # on the side of the block raised #s?
Re: #'s 440 to a '71 Plymouth here?
From what Ive read on 440Source and the Moparts forums, there is no difference in 440 blocks whether they are HP or 6pack, only the parts that went into them.
'71 GTX N96
Re: #'s 440 to a '71 Plymouth here?
I always thought the HP and 6-pack motors all used the same internals as well... the heavier forged crank and rods I thought the difference is what is on top of the motor. A six pack block like that seems like it would only be valuable to the car it came from. (matching #s)
1971 GTX Autumn Bronze - 4 speed, Dana 60 4:10


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- GTX (RS)
- Posts: 1036
- Joined: Tue Nov 25, 2003 2:34 am
- My Cars: 71 gtx 71 340 duster
- Location: I am here, or is it there? GIF image (animated, 49 frames)
Re: #'s 440 to a '71 Plymouth here?
a 70 440 hp 440 4bbl has 9.7.1 flat top pistons
71 440 hp 440 4 bbl has 9.5.1flat top pistons
70 440hp 440 6bbl has 10.5.1 flat top pistons with 4 relief valves
71 440hp 440 6bbl has 10.3.1 flat top pistons with 4 relief valves
71 440 hp 440 4 bbl has 9.5.1flat top pistons
70 440hp 440 6bbl has 10.5.1 flat top pistons with 4 relief valves
71 440hp 440 6bbl has 10.3.1 flat top pistons with 4 relief valves

71 gtx 440 4speed air grabber blue on blue with white vinyl roofOption cassette player
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
Re: #'s 440 to a '71 Plymouth here?
ah yes forgot about the pistons but thats about the only difference right?
1971 GTX Autumn Bronze - 4 speed, Dana 60 4:10


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- GTX (RS)
- Posts: 1036
- Joined: Tue Nov 25, 2003 2:34 am
- My Cars: 71 gtx 71 340 duster
- Location: I am here, or is it there? GIF image (animated, 49 frames)
Re: #'s 440 to a '71 Plymouth here?
1 21 70 hud268RTs4me wrote:Tne 1 means 71 the G is St Louis Plant, the rest of the #s are the Serial #s of the car or VIN. What is the casting # on the side of the block raised #s?

1971 block aug 1970 to july 71
71 gtx 440 4speed air grabber blue on blue with white vinyl roofOption cassette player
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
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- GTX (RS)
- Posts: 1036
- Joined: Tue Nov 25, 2003 2:34 am
- My Cars: 71 gtx 71 340 duster
- Location: I am here, or is it there? GIF image (animated, 49 frames)
Re: #'s 440 to a '71 Plymouth here?
yesRS23 '71 wrote:ah yes forgot about the pistons but thats about the only difference right?


71 gtx 440 4speed air grabber blue on blue with white vinyl roofOption cassette player
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
-
- GTX (RS)
- Posts: 152
- Joined: Sun Sep 20, 2009 9:43 pm
- My Cars: Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X - Location: NY
Re: #'s 440 to a '71 Plymouth here?
Nope, the 440+6 engine also used a cam that used 3 bolts that retained the timing gear.
I posted what the guy said about it supposedly coming out of a V-code car. Without matching up the sequence # to a known car, we will never know for sure what it originally came out of. One thing for certain though, it was either a U or V-code GTX or a 6bbl RR. Did they make RT Chargers and Superbees at the St.Louis plant in '71?
I posted what the guy said about it supposedly coming out of a V-code car. Without matching up the sequence # to a known car, we will never know for sure what it originally came out of. One thing for certain though, it was either a U or V-code GTX or a 6bbl RR. Did they make RT Chargers and Superbees at the St.Louis plant in '71?
My Mopars:
Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
'70 Super Bee 440 6 pack 4-spd 4.10 Dana EB5 N96
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X
Present: '71 GTX 440+4bbl 4-spd 4.10 Dana GW3 GW3 J68 louver
'70 Super Bee 440 6 pack 4-spd 4.10 Dana EB5 N96
Past: '71 GTX 440+4bbl 4spd 3.54 Dana TX9 TX9 N96 spoiler pkg
'71 RR 383 4bbl 4-spd 3.23 GY8 V1X
-
- GTX (RS)
- Posts: 1036
- Joined: Tue Nov 25, 2003 2:34 am
- My Cars: 71 gtx 71 340 duster
- Location: I am here, or is it there? GIF image (animated, 49 frames)
Re: #'s 440 to a '71 Plymouth here?
opps the cam

Superbees at the St.Louis plant in '71
yes


Superbees at the St.Louis plant in '71

yes
71 gtx 440 4speed air grabber blue on blue with white vinyl roofOption cassette player
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6
Plymouth's gonna getcha!
There are 3 things that will live forever, cockroaches, Keith Richards, & slant 6