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#1
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'73 Washer Bottle
I have looked at the MPC ('75 IIRC) and searched this forum.
Getting some conflicting info about the correct washer bottle for my January built '73. From an old thread: Quote:
But from that same thread, a regurgitation of what the MPC shows was posted BEFORE Dens71TA posted the above claiming the "square" bottle was only correct for '70 & '71. Quote:
The "angled" bottle is p/n 3990892. I understand how Service Part listings work and don't necessarily match OE parts. I believe the 3990892 part did not even exist until the '72 or '73 Model year, yet the MPC includes '70 and up as a proper application for it. But also shows the 3961557 for '70 & '71. I have found plenty of both for sale. Not looking for a reproduction, I find my parts on the cheap. Car is a driver that I am slowly (very slowly) piecing together. I try for correct parts where possible just because I suffer from OCD when it comes to my Pontiacs, driver or not. I have no idea what an "on demand" washer system is. 70RAIII subsequently added a post that the reason may have been for inner fender clearance rather than PS hose clearance. Were both bottles used in '73? Also would like to see what the '73 cap and tube looks like, any wording on the top, etc. Pix of a cap and tube would be great. |
#2
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From 1973 Assembly Manual:
(PY degrades the pics) The Jar is # 3961557
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#3
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The information John shows for '73 is similar for '74 too. A lot of the misinformation comes from the Canadian MPC (maybe even the '83 version too). Hopefully this collage from my '74 will help.
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So long, farewell. |
#4
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Also this from MPC:
So, still clear as mud?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#5
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Suits....and Factory Correct is different things to different customers, in the end they only want to make a sale.
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#6
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Thanks everybody for the replies.
John, yes for sure. Found some more info from the Chevy side. In a Chevy factory parts supersedure list, it shows 3961557 was superseded by 3990892 as of June, 1971. In addition, the Chevelle Resto Guide states that 3961557 was used in '70 & '71 but was revised in '72 to the 3990892 (consistent with the supersedure timing) because of interference withe the charcoal canister that year. Mike, just to be clear, you have a '74 that has the 3961557? That is really what I have been hoping to discover, did Pontiac install the 3961557 in '73 and beyond? My gut says they did but it would be nice if any original owners or those with survivor cars would add to this thread. |
#7
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Yes, my '74s have the cast 3961557 jar (picture is of one of the cars piece).
I don't know if the 3990892 jar came with a cap and/or some other pieces that made it another number (like the metal grommets). '75 was a different design.
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So long, farewell. |
#8
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Mike, that helps. Just so you know, the. 3990892 washer bottle shows that p/n on it, same as the 3961557 bottle shows its p/n so it isn’t an assembly p/n. The physical difference was the 3961557 has square corners but the 3990892 got a single angled corner presumably needed for clearance in some application(s) like the Chevelle that I described. Looks like Firebird continued to use the 3961557 at least thru ‘74.
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#9
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Here's the washer bottle on my 01B 73 Formula project car.
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#10
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Hard to tell looking down from the top but sure looks like the lower left corner is square not angled, so that would make it the 3961557.
Thanks for posting the pic pggto, it you get a chance, would be great if you could confirm the embossed p/n, front of bottle just below the center. |
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