ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1967 Mustang => Topic started by: CandyAppleRed on January 12, 2015, 12:16:45 PM
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Hello,
I searched about this topic through older threads but couldn't find an answer regarding my setup.
What is the correct belt routing on a May 67 390 Dearborn car with power steering (no A/C, no T/E)?
Is it correct that the alternator has a single belt going around the crank pully and the the water pump pulley?
The power steering pump belt goes only around the crank pulley?
thanks
Laurent
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That's the way it is on my 67 390.
Rod
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thank you for your answer.
This is also consistent with the Master Parts Catalog. I'm still a little confused reagrding the crank pulley. Should it be a single sheeve balancer with a bolt on pulley (for the P/S pump belt)?
If yes, does anybody has part numbers for these pulleys (balance and bolt on pulley)?
cheers
Laurent
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thank you for your answer.
This is also consistent with the Master Parts Catalog. I'm still a little confused reagrding the crank pulley. Should it be a single sheeve balancer with a bolt on pulley (for the P/S pump belt)?
If yes, does anybody has part numbers for these pulleys (balance and bolt on pulley)?
cheers
Laurent
I have a excellent condition non pitted C4AE-B 67 390 balancer date stamped A7 (Jan 67) for 50.00 plus shipping if anyone needs one .
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I also had a question on belt routing. Wasn't sure if I should start a new thread or not. I have a Dec. build 390 with P/S and thremactor system and no A/C. I received my belts to install and I noticed they won't fit unless I put a single pulley on the Altenater. Currently I have a dual pulley, am I supposed to have a dual or single pulley?
Thanks for all your help,
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I also had a question on belt routing. Wasn't sure if I should start a new thread or not. I have a Dec. build 390 with P/S and thremactor system and no A/C. I received my belts to install and I noticed they won't fit unless I put a single pulley on the Altenater. Currently I have a dual pulley, am I supposed to have a dual or single pulley?
Thanks for all your help,
I don't believe that if you had thermactor or A/C or both on a BB that you would use a double Alternator pulley . Single is what works.
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I've been seeing a few old pulled BB with a dual pulley Alt. but only one pulley is in use. So would that be correct to do instead of installing a single pulley?
Thanks again,
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I've been seeing a few old pulled BB with a dual pulley Alt. but only one pulley is in use. So would that be correct to do instead of installing a single pulley?
Thanks again,
With that kind of logic or assumption there would only be the duel pulley regardless if needed or not in every application. If the examples you saw were in the context of a air or thermactor car I would think they had been replaced or a anomoly. If they were not in that context then they would be irrelevant to the discussion. Ford is not in the habit of using a more expensive part (duel pulley fractions of a cent more no doubt) when a more viable less expensive engineered part is available .
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I've been seeing a few old pulled BB with a dual pulley Alt. but only one pulley is in use. So would that be correct to do instead of installing a single pulley?
With that kind of logic or assumption there would only be the duel pulley regardless if needed or not in every application. If the examples you saw were in the context of a air or thermactor car I would think they had been replaced or a anomoly. If they were not in that context then they would be irrelevant to the discussion. Ford is not in the habit of using a more expensive part (duel pulley fractions of a cent more no doubt) when a more viable less expensive engineered part is available .
A dual (I'm not going to fight a duel about it) pulley was used on a lot (it's two words Jeff) of rebuilt alternators. The auto parts store (Kragans - now O'Reilly's) manager and I checked inventory and most had dual pulleys. The auto parts store manager let me take my core home to make the swap. When I returned the core, he said he checked with the company that did the rebuilds and they confirmed that they replaced single pulleys with double when the single was damaged, from habit or it was convenient (less stocking inventory).
Jim
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I also had a question on belt routing. Wasn't sure if I should start a new thread or not. I have a Dec. build 390 with P/S and thermactor system and no A/C. I received my belts to install and I noticed they won't fit unless I put a single pulley on the Alternator. Currently I have a dual pulley, am I supposed to have a dual or single pulley?
Not sure what is getting in your way or the problem
Think I might have posted this picture before
67 Thermactor with PS wo/AC alternator belt arrangement which matches the Ford diagrams for the same application - as discussed before
(http://www.concoursmustang.com/forum/gallery/4/6-140715145142.jpeg)
Can you describe in some way why they will not fit? Maybe its the pulleys at the crank and water pump or even the thermactor that are causing the issues
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Here's some pics on the problems I'm having with my motor. I might have a wrong pulley and/or brackets. I might even have sent me the wrong altenator belts, as you can see they're the wrong size if everything else seems correct.
Thanks for all the help,
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Your P/S pulley is misaligned. It needs to go on the second groove around the crank and the waterpump.
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Your P/S pulley is misaligned. It needs to go on the second groove around the crank and the waterpump.
Actually that P/S pulley you have is one for a A/C car. I am not sure the correct one for a 390 but the offset on a non air car pulley is forward. 6AA is 68 390 . 7AB is 67 GT500 ,all offset to the outside. FYI you also have the wrong heater hose fitting at the waterpump. 67 BB only. Mansfield has them.
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Per the MPC, you need an "AG", C5AZ-G.
Update: added photo (from mustangtek.com).
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Per the MPC, you need an "AG", C5AZ-G.
Thank you for looking that up . That is the other pulley I couldn't remember.
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Thank you so much!!!! Looks like a hard part to find. If anyone finds one, please let me know.
Travis
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Thank you so much!!!! Looks like a hard part to find. If anyone finds one, please let me know.
Travis
There's at least one on ebay right now:
http://www.ebay.com/itm/1966-1967-390GT-Fairlane-Mustang-Power-Steering-Pump-Pulley-without-A-C-AG-/321807713844?hash=item4aed3c0634&vxp=mtr (http://www.ebay.com/itm/1966-1967-390GT-Fairlane-Mustang-Power-Steering-Pump-Pulley-without-A-C-AG-/321807713844?hash=item4aed3c0634&vxp=mtr)
Not my auction- I can't vouch for the pulley or the seller.
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LOL!!!
I just bought it, Thanks.
I spent hours and hours last night looking for one!!!
Appreciate the help,
Travis
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LOL!!!
I just bought it, Thanks.
I spent hours and hours last night looking for one!!!
Appreciate the help,
Travis
Glad to help! I'm in the process of procuring parts for a '68 S-code and figuring out all the same details you're working on now. Seeing your progress is helpful inspiration!
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Per the MPC, you need an "AG", C5AZ-G.
Update: added photo (from mustangtek.com).
I'm seeing a 5 inch "AC" pulley on my car. Could you see if that's listed in the MPC?
67 390, non-GT, no ac, no TE, single alt pulley
Dearborn car build Feb 67.
Thanks.
Rod
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I'm seeing a 5 inch "AC" pulley on my car. Could you see if that's listed in the MPC?
67 390, non-GT, no ac, no TE, single alt pulley
Dearborn car build Feb 67.
Looking at a Feb 68 page from the MPC found a PS pulley identified by a stamped AC
4 7/8" dia
Many applications listed but not a single 390 Mustang one
Only Mustang listing is for 65/ 289 without AC after 8/17/64
Part number C5AZ-3A733-C
Its interesting that the 68 MPC does not show a replacement carried by Ford for that specific application - a 5" pulley is listed as stamped with a 7AA
Lets try to show both references - this might show how confusing and possibly unreliable these sources are for finding the original parts for your car - particularly due to the fact that they only list parts carried in stock (possibly replacing the original parts) and mistakes in the information continue in each
Feb 68 MPC page
C5AZ-3A733-C (Part number) - Marked AC - Application - Mustang 65/ 289 wo/AC from 8/17/64
C5AZ-3A733-F (Part number) - Marked AF - Application - Mustang 67 390 w/AC
C5AZ-3A733-G (Part number) - Marked AG - Application - Mustang 67 390 wo/AC w/Thermactor
C7AZ-3A733-A (Part number) - Marked 7AA - Application - Mustang 65 & 66 289 w/AC from 8/17/64 & Mustang 67 289 wo/dual alternator pulley before 9/12/66
NOTE: The AC marked pulley description shows other 390 applications for that pulley just not noted as for Mustang. Big Ford and Fairlane applications are as follows
67 Big Ford 390 2V wo/AC - Without T/E (Thermactor) dual alternator, super extra cooling or AC
65/ Fairlane and T-Bird 8 cyl. 289, 390) wo/AC
May 75 MPC page
C5AZ-3A733-C (Part number) - Marked AC - Application - Mustang 67 390 wo/AC w/single alternator pulley
C5AZ-3A733-F (Part number) - Marked AF - Application - shown as being dropped and replaced (for service purposes) by C7AZ-3A733-A listed below
C5AZ-3A733-G (Part number) - Marked AG - Application - Mustang 67 390 wo/AC w/dual alternator pulley
C7AZ-3A733-A (Part number) - Marked AA - Application - Mustang 67 390 w/AC
Shows how much "fun" using just books can be and demonstrates how you can get multiple different answers directly and on web sites.
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My 67 390 power steering pump has a AF pulley.
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I have some belt questions. I have the Thermactor belt part number thanks to Jeff. I'm needing the altenator and Power Steering belt part Numbers. I have a 1967 dec 1966 build SJ 390 GTA no A/C with Thermactor. System. Here are the belt sizes;
Thermactor Belt -
P/N: C5TE-8620-L - Size: 36.875"
Alternator Belt -
Size: 40 7/8"
Power Steering Belt -
Size: 42 5/8
Also, would anyone know where I could pick up a MPC for my car?
Thanks,
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Travis, I needed all the same belts as you and marti auto works had them with the ford script.
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The belts they sent me don't fit (alt., and P/S). I called them, their going to send me the correct sizes. Though, I need to supply them with the P/N's for the belts. The only belts I can find for me car are too big. So I was hoping that someone could help me out.
Travis
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........
Shows how much "fun" using just books can be and demonstrates how you can get multiple different answers directly and on web sites.
Thanks for the info Jeff, guess you can't believe everything you read. ;)
I better check the pulley diameter again, this time with better lighting. Could be 4 7/8". What's 1/8" between friends?
Pretty sure the pulley is original to the car.
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Keep in mind that a correct size belt would typically put the stop bolt in the middle of the adjustment slot once tightened.