Topic: More 390 engine pulley questions!

[kwemj 67]

Starting to bolt on pulley's to my 390 GT engine and have some questions on which set up my car should have. I did use the search feature and there was reference from Jeff about San Jose cars being different set up. So my car is a San Jose Dec 22/66 GTA with a DSO of B7 ( Fogg Motors) . It has power steering and no smog, or A/C. I'm wondering if it should have the single belt alternator or dual? I have the single C6OE 8509-C water pump pulley and the balancer of C4AE 6316-B single and the separate C1AE 6A312-D for the power steering. The power steering pulley is stamped AC. I believe I'm missing the pulley that goes over the cast single groove balancer? Is this correct for my car ? Haven't put a pulley on alternator yet.

[J_Speegle]

Assembly manual that is available shows on pg 68 the power steering being powered from a single sheave crank pulley with a part number of C4ME-6A301-1 for Mustang applications. Its attached to the face of the crank pulley you already likely have with three bolts

The page is interesting since it states "Standard Alternator Drive" but focuses on only the PS drive details. The faint drawing of the rest of the engine  (generic ?) shows a single drive pulley for the alternator but again it does not address that detail. This page identifies that it relates to Comet, Fairlane, Ford & Mercury, Mustang, S-77, Meteor. Two pages later shows the RPO Alternator drives (same focus on PS drive not alternator) and its listed that it applies to some of the same cars as the first page. Comet, Fairlane, Ford & Mercury, Ford & Mercury Police Interceptor  This time with dual belts so easy to get confused. Engines with other options show double alternator pulleys and on other engines it appears number of pulleys is related to other options. Sure someone else will find something in all those pages related to your subject and find something I overlooked

Looking through my pictures the findings are inconsistent likely due to owners and not the factory. The majority show dual sheave water pump pulley though only one is used with a single alternator pulley. Thins might make sense (though that is no always a good way to figure out what Ford did) and meant one pulley for both applications single or dual alternator pulley.

Sure others will have their observations and assistance

[Bob Gaines]

Assembly manual that is available shows on pg 68 the power steering being powered from a single sheave crank pulley with a part number of C4ME-6A301-1 for Mustang applications. Its attached to the face of the crank pulley you already likely have with three bolts

The page is interesting since it states "Standard Alternator Drive" but focuses on only the PS drive details. The faint drawing of the rest of the engine  (generic ?) shows a single drive pulley for the alternator but again it does not address that detail. This page identifies that it relates to Comet, Fairlane, Ford & Mercury, Mustang, S-77, Meteor. Two pages later shows the RPO Alternator drives (same focus on PS drive not alternator) and its listed that it applies to some of the same cars as the first page. Comet, Fairlane, Ford & Mercury, Ford & Mercury Police Interceptor  This time with dual belts so easy to get confused. Engines with other options show double alternator pulleys and on other engines it appears number of pulleys is related to other options. Sure someone else will find something in all those pages related to your subject and find something I overlooked

Looking through my pictures the findings are inconsistent likely due to owners and not the factory. The majority show dual sheave water pump pulley though only one is used with a single alternator pulley. Thins might make sense (though that is no always a good way to figure out what Ford did) and meant one pulley for both applications single or dual alternator pulley.

Sure others will have their observations and assistance

PS cars used a duel sheave waterpump pulley

[kwemj 67]

PS cars used a duel sheave waterpump pulley

Thank you both for the reply, it is confusing and I know you (Bob) mentioned in past post that if it had PS then it was a dual W/P and dual alternator pulley.
 And you mentioned Jeff that San Jose did things differently probably because most had smog,
I do have the 67 engine manual, but yes it is confusing and the fact my car is a Canadian DSO, which didn't have smog but maybe they automatically set the pulleys up to have the 3 pulley crank and 2 W/P and 2 alternator? Very good questions and all the original front bolt on brackets and pulleys were missing on my car, but at least motor and transmission were complete.

[J_Speegle]

We need to do more studying since most of the 67 S codes out there have been restored or modified. Consider that Bob is vast experience if from Shelbys that sometimes are different in details than Mustangs even though in 67 they were both built at the same plant. But this does bring up another possible source for information since we have the add/delete sheets (pages used to assemble groups of Shelby's at San Jose) than list what parts were changed from a S code build to a 428 Q code build and in turn what was not. Will look and report back.

As mentioned it is interesting to see in the assembly manuals that it suggest that the number of pulleys differed on other things than just Thermactor, AC, Ps and body type. Way too many moving pieces and in turn confusion. We'll see what follows 

[kwemj 67]

Thank you again to all.  While looking through the form here, I came across the difference in GT stripe sizes of the San Jose cars that I never knew about! Learn something new every day...