055 & 054 '69 RADIATORS are they both 3-row rads?

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I think I need to see a broadcast sheet to be convinced. I know the 383 with the A31 package came with an 054. I am sure that by high performance radiator they meant maximum cooling. The literature that I remember used the words maximum cooling system. The 055 also came with a different fan clutch for A/C. I know your car is very original but the 054 could have been switched for a different home at some point?

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John, I agree that the 054 came with the A31 High Performance Axle Package with the 3.91 8-3/4 and that's what camee with my '69 road runner I ordered in '69 but my '69 GTX is a 3.54 Dana which is the A33 Track Pak.

As for the radiator being switch I can't rule that out. The car title shows me as the third owner and it was almost completely original down to the wheels that still have a set of '70's or '80's BFG T/A radials with the original T/A tread patern. I'll post two photos of the engine in the car untouched with 93,000+ miles on it, one that my friend took when he was told about it and one that was on ebay at the same time as my friend was looking at it (that's another long crazy story too).

Let me know if it looks like an original radiator and if you can tell if it's an 054 or 055:

Photo from ebay no sale:

(Remember this is a California silenced car with no chrome tips either)

LOOK AT THE RADIATOR CAP AND THE DIRECTION OF THE OVERFOLW TUBE!!! NOTE THE ANGLE

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and here's a 054 LARGE FONT radiator in an A31 High Performance Axle package road runner (just like you said John ). And in this photo something should jump out at you that if the first two photos that I posted are of the original radiator, to my GTX then it is an 055 in the GTX


MikeR

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Mike, if you don't have any BS pics, I'm sure Dan, Doug or Barry do.


Dave

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Basically ALL 383/440 optional axle packages (A31, A32, A34, A36), trailer towing (A35), Hemis and cop cars (BK or WK) got the 054.

A33 was 055.

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Here's the FSM for this thread showing 440-4 speed was 055.

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MikeR

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These two threads should be linked

https://board.moparts.org/ubbthreads/show...rt=all&vc=1

MikeR

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then what makes or desinates 055, mas cooling? Broadcast sheet? 440, with 4 sp,, is 055,, but what options make that override to 054? axle ratio? what package pkgs?

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For sure the 4.10 DANA gets the 054, I have a photo of a '69 4-speed 4.10 ratio Dana with a 054 radiator that is original to the car and it is small font with a Lynch Road SPD of 1 29 (Jan 29, '69).

I would say the axle ratio and type/size is at or near the top of the radiator spec list, then A/C or trailer tow of course but after that I don't know I don't think that power brakes (disc front or 4-wheel drums) would require more or different cooling needs?? What else is there unless there is a "tropical" option that goes with the "heater delete" option????

(I'll probably learn something here again today like I do everyday on Moparts )


MikeR

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What's odd is the 440 with 3.54's got the 055 but a 383 with 3.55's got the 054 ???

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That is odd

I wonder if Chrysler was just trying to get rid of stock and obsoleted the 055 2-row 26" radiators?

Radiator Bob said he has never seen a small font 055 radiator and I know that the small fonts first started to show up on Lynch Road cars near the end of Jan, '69.

A 3.23 8-3/4 with or without Suregrip got a 22" radator (without A/C or towing), a 3.54 Dana Suregrip got a 055, a 3.55 Suregrip got the 054, a 3.91 8-3/4 got a 054, a 4.10 8-3/4 and 9-3/4 Dana got the 054 and we never saw a small font or a 2-row 26" radiator again........making that last part up or is that true. What replaced the 055 2-row 26" radiator in 1970???


What was the extra space for in front of the '69 2949 055 and '68 28980 47 radiator for, air space for the A/C condensor


MikeR

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So, if you specified a 4-speed when ordering your new '69 GTX or RT, BUT did not want an axle package, then you got a DANA with 3:54 gears minus the requisite "max cooling" that would have been included were you to have ordered an axle package? Thus, your car would have had the 055 radiator installed?
Very interesting.....

I always thought that a 4-speed GTX,RT, or 440/426 Charger RT automatically came equipped with an axle package?

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So, if you specified a 4-speed when ordering your new '69 GTX or RT, BUT did not want an axle package, then you got a DANA with 3:54 gears minus the requisite "max cooling" that would have been included were you to have ordered an axle package? Thus, your car would have had the 055 radiator installed?
Very interesting.....

I always thought that a 4-speed GTX,RT, or 440/426 Charger RT automatically came equipped with an axle package?

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