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70 Hemi Cuda pulley questions........... #213770
02/04/09 11:31 AM 02/04/09 11:31 AM

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I need help!!!

I've got an original Hemi Cuda in the shop........It's got power steering........but it had the incorrect pump, so the owner bought a "correct" pump and I had it rebuilt..........It had a pulley that measured about 6 3/4" OD and the belt wouldn't line up correctly, so I bought a repop correct pulley from Bouchillon that measures about 6 1/4" OD and it still doesn't line up.........

After talking to Bouchillon, it's obvious that I don't have the correct crank pulley either (since a Hemi pulley has different OD's for the PS and water pump and mine doesn't), and I'm thinking that the water pump pulley and alternator brackets are wrong too??? Plus, this has an aftermarket balancer on it........

I've attached some pics so maybe someone can point me in the right direction........

So, I guess my question is; If I get the correct crank pulley and I'm assuming there's Hemi specific water pump pulley and I get that, will it all work together with the balancer I already have? I'm also assuming that I need Hemi alternator bracketry too???

For your info, my crank pulley measures about 2 3/8" from the balancer flange to the top........It measures 1 5/16" from the blancer flange to the center of the first groove and 2 1/16" from the balancer flange to the center of the second groove.........
Re: 70 Hemi Cuda pulley questions........... #213771
02/04/09 11:32 AM 02/04/09 11:32 AM

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anudder pic
Re: 70 Hemi Cuda pulley questions........... #213772
02/04/09 11:34 AM 02/04/09 11:34 AM

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and anudder
Re: 70 Hemi Cuda pulley questions........... #213773
02/04/09 11:36 AM 02/04/09 11:36 AM

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and anudder one.....
Re: 70 Hemi Cuda pulley questions........... #213774
02/04/09 11:37 AM 02/04/09 11:37 AM

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last one.......
Re: 70 Hemi Cuda pulley questions........... #213775
02/04/09 11:40 AM 02/04/09 11:40 AM
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Wayne , looks like it has non hemi waterpump and a lower pulley from a 66-68 hemi if it has a stock hemi balancer ? the 70 hemi had a larger gap between the waterpump pulley and the water pump bolts , that LOOKS to me , from the angle of the pics , it be the non hemi water pump pulley which is what 66-68 hemis used .

???

edit ... ok I just read what you posted , let me guess FLUID DAMPNER ??? that's the combo I'm using on my hemi , NO power steering for me ...

Does the guy want it all CORRECT and STOCK looking ?

Last edited by Johnahah; 02/04/09 11:44 AM.
Re: 70 Hemi Cuda pulley questions........... #213776
02/04/09 11:43 AM 02/04/09 11:43 AM
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You have the correct PS pump/brackets and what appears to be the correct repro pulley on it. The water pump pulley is wrong for that application though. You can a repro of the correct one luckily. The correct style crank pulley is available repro, but it is designed to work with a stock dampener. This is where you are going to have problems until you get the correct dampener on it. The alt brackets are not different to a hemi. They just use a dual pulley on the alt and run the belt in the outer groove.
Re: 70 Hemi Cuda pulley questions........... [Re: hemi70se] #213777
02/04/09 11:46 AM 02/04/09 11:46 AM
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Quote:

You have the correct PS pump/brackets and what appears to be the correct repro pulley on it. The water pump pulley is wrong for that application though. You can a repro of the correct one luckily. The correct style crank pulley is available repro, but it is designed to work with a stock dampener. This is where you are going to have problems until you get the correct dampener on it. The alt brackets are not different to a hemi. They just use a dual pulley on the alt and run the belt in the outer groove.



Dirk he can use that balancer if he buys the spacer that MP sells for crate motors since they are supplied with the THIN dampner , or makes it , and get the repop waterpump pulley , lower pulley , and the correct alt pulley ...

Wayne , gibson/badalsen sell a repop hemi dampner , it's $450 me thinks , but you'll still need the correct pulleys

Last edited by Johnahah; 02/04/09 11:48 AM.
Re: 70 Hemi Cuda pulley questions........... [Re: hemi70se] #213778
02/04/09 11:52 AM 02/04/09 11:52 AM
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After seeing the extra pictures you posted it is clear that you have an original crank dampener. You have a 66-68 Hemi crank pulley that you need to swap out for a 69-71 repro pulley. You also need to buy a repro 69-71 "Hemi only" water pump pulley. THEN you need to change the alt pulley to the double groove style (not avail. repro). You were running the whole 66-68 hemi pulley system and now you need to change all 4 pullies to the 69-71 style system. They are all different and do not interchange. You either run one system or the other.
Re: 70 Hemi Cuda pulley questions........... [Re: hemi70se] #213779
02/04/09 01:16 PM 02/04/09 01:16 PM

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Wow............what a basket of worms.........

I should have mentioned that I don't think this is an original balancer because it's marked in 2 degree increments like most aftermarket ones.........

So, I guess there isn't a PS pump pulley that'll line up with what I have???

Quote:

if he buys the spacer that MP sells for crate motors since they are supplied with the THIN dampner , or makes it , and get the repop waterpump pulley , lower pulley , and the correct alt pulley ...




Do you happen to have the part number for the spacer???............and nobody sells the alternator pulley?

The guy wants it to look stock, but I'm not sure how much he's going to want to spend.........
Re: 70 Hemi Cuda pulley questions........... #213780
02/04/09 01:42 PM 02/04/09 01:42 PM
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Wayne do you have a big block federal pump with pulley kicking around ? If so I think that pulley will work with what is there since the water pump location does not change no matter what the block is , wedge or hemi . It will only not look stock to the TRAINED EYE .

Otherwise he'll need the spacer (if it's not a stock Hemi Dampner??? as dirk is suggesting and he may be right as a fluid dampner will not have balance holes drilled in the front like that one does) and ALL new pulleys , or the spacer and a 66-68 hemi pulley to use what he has .

My MP catalog is too old for that spacer part number .

Last edited by Johnahah; 02/04/09 01:46 PM.
Re: 70 Hemi Cuda pulley questions........... #213781
02/04/09 01:47 PM 02/04/09 01:47 PM
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Hemi crank pulley.
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213782
02/04/09 01:47 PM 02/04/09 01:47 PM
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Quote:

Hemi crank pulley.



snoopy , is that the 69-71 pulley ?
Re: 70 Hemi Cuda pulley questions........... [Re: JohnRR] #213783
02/04/09 02:09 PM 02/04/09 02:09 PM
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Yes, late 68-71.

Comparison between Hemi (LH) and non Hemi (RH) alternator pulleys.

5000497-hemipulley1.jpg (125 downloads)
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213784
02/04/09 02:14 PM 02/04/09 02:14 PM
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Someone previously posted this information. I can's find my water pump pulley to verify the dimensions.
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213785
02/04/09 02:28 PM 02/04/09 02:28 PM
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The original crank pulley has one offset mounting hole. The after market harmonic balancers don't.
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213786
02/04/09 03:30 PM 02/04/09 03:30 PM
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thats a good picture showing the alt pulley differences , i see where the main difference is between them now .
Re: 70 Hemi Cuda pulley questions........... [Re: JohnRR] #213787
02/04/09 08:10 PM 02/04/09 08:10 PM

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THANKS guys, I really appreciate it........

So, nobody makes the correct alternator pulley???

I talked to the owner today and he wants it right, so I need to get everything.........

Re: 70 Hemi Cuda pulley questions........... #213788
02/04/09 08:18 PM 02/04/09 08:18 PM
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Quote:

THANKS guys, I really appreciate it........

So, nobody makes the correct alternator pulley???

I talked to the owner today and he wants it right, so I need to get everything.........



This is the correct pulley.

http://cgi.ebay.com/ebaymotors/MOPAR-426...1QQcmdZViewItem
Re: 70 Hemi Cuda pulley questions........... #213789
02/04/09 08:43 PM 02/04/09 08:43 PM
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There are plenty of 2875 711 alternator pulleys around, you just have to make a spacer to use it.
Re: 70 Hemi Cuda pulley questions........... #213790
02/04/09 09:50 PM 02/04/09 09:50 PM
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Quote:

Wow............what a basket of worms.........

I should have mentioned that I don't think this is an original balancer because it's marked in 2 degree increments like most aftermarket ones.........




It was real common for racers to add degree grooves to original balancers. So, what you have is a modified original.

The Ebay ad for the 059 alt pulley is the correct one. Sure is strange that he's the only one whos ever got them for sale. Buy that pulley along with a repro water and crank pulley (I'd suggest Hoover's) and you'll be done straightening out that car.
Re: 70 Hemi Cuda pulley questions........... [Re: hemi70se] #213791
02/04/09 11:47 PM 02/04/09 11:47 PM

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Quote:



It was real common for racers to add degree grooves to original balancers. So, what you have is a modified original.

The Ebay ad for the 059 alt pulley is the correct one. Sure is strange that he's the only one whos ever got them for sale. Buy that pulley along with a repro water and crank pulley (I'd suggest Hoover's) and you'll be done straightening out that car.



So, you're sure that I have an original balancer? I guess I'd have to for all of the early Hemi pulley's to line up???

I just bought that pulley on eBay........

Re: 70 Hemi Cuda pulley questions........... #213792
02/05/09 08:37 AM 02/05/09 08:37 AM
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not to be smart, but isn't the power steering pulley on backwards??

Re: 70 Hemi Cuda pulley questions........... [Re: mopar mike] #213793
02/05/09 09:04 AM 02/05/09 09:04 AM
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Quote:

not to be smart, but isn't the power steering pulley on backwards??



No it isn't. This thread shoud be achieved.

logan426
Re: 70 Hemi Cuda pulley questions........... [Re: mopar mike] #213794
02/05/09 09:32 AM 02/05/09 09:32 AM

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Quote:

not to be smart, but isn't the power steering pulley on backwards??



Yeah, it looks that way, but the piece where you attach a puller to pull it off is on the front........

Re: 70 Hemi Cuda pulley questions........... #213795
02/05/09 11:27 AM 02/05/09 11:27 AM
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Yes, His PS pulley is mounted correctly.

Here is a pic of a 69-71 PS crank pulley on one of my Hemi motors.

5002647-Picture989.jpg (62 downloads)
Re: 70 Hemi Cuda pulley questions........... [Re: hemi70se] #213796
02/05/09 05:20 PM 02/05/09 05:20 PM
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You probably already know this, but it's worth stating. You will have to remove the alternators rear housing to safely press on the pulley.

Check out the alternator and make sure it is has the 2 field terminals on the back and that it is a round back alternator.

Check the part number stamped on the pad above the Batt connector stud.
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213797
02/05/09 05:28 PM 02/05/09 05:28 PM
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I use the Harbor Freight "Power Steering Pump Puller Kit" and modify the end of the jack screw so it doesn't cut treads into the bore of the pulley. They go on sale all time for about $10.

5003394-PullerScrew.JPG (45 downloads)
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213798
02/05/09 06:10 PM 02/05/09 06:10 PM
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Quote:

There are plenty of 2875 711 alternator pulleys around, you just have to make a spacer to use it.



Do you know how thick that spacer needs to be , I have a number of original double pullies . Also is that pulley needed on the 68 down pulley arrangement ? I have a repop 69-71 water pump pulley , but a Fluidampner, so I can use std B/RB pullies instead of getting a hemi lower pulley and a spacer .

In Wayne's pics it looks like a single groove alt pulley will work , is that a special pulley ? My junk doesn't have to look correct , it just has to work .
Re: 70 Hemi Cuda pulley questions........... [Re: JohnRR] #213799
02/05/09 06:20 PM 02/05/09 06:20 PM
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Single groove alt. pulley for 68 and earlier.

with a thin damper use a real hemi pulley and the spacer.
Re: 70 Hemi Cuda pulley questions........... [Re: JRepucci] #213800
02/05/09 08:01 PM 02/05/09 08:01 PM
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Most of the right info has already been posted. This is a fully degreed factory "thick" style damper. Must be an old DC part, I have had it for about 20 years.. Wayne, drop me a line if you need me to check anything. I have a built street Hemi on the stand.

MB
Re: 70 Hemi Cuda pulley questions........... [Re: HPMike] #213801
02/05/09 09:28 PM 02/05/09 09:28 PM

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Thanks Mike........and MOPARTS,

So, what's the reasoning on the thick balancer?

I didn't realize they even offered that.........
Re: 70 Hemi Cuda pulley questions........... [Re: Snoopy] #213802
02/05/09 10:04 PM 02/05/09 10:04 PM
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Quote:

Yes, late 68-71.

Comparison between Hemi (LH) and non Hemi (RH) alternator pulleys.



Did someone in the aftermarket have these back in the day, or was this always a chrysler part only?

Dan
Re: 70 Hemi Cuda pulley questions........... #213803
02/06/09 10:56 AM 02/06/09 10:56 AM
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Quote:

Thanks Mike........and MOPARTS,

So, what's the reasoning on the thick balancer?

I didn't realize they even offered that.........



Street Hemi's have always had the thick dampner , Why ??? I have no clue Chrysler put the thin ones on the crate motors , why again ??? maybe to use up parts laying around in inventory considering the mismatch of parts on my heads ???
Re: 70 Hemi Cuda pulley questions........... [Re: JohnRR] #213804
02/06/09 05:31 PM 02/06/09 05:31 PM
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64-5 Race hemi's had a thin damper.

It is safe to say that all street hemi's had a thick damper.
Re: 70 Hemi Cuda pulley questions........... [Re: JRepucci] #213805
02/08/09 05:31 PM 02/08/09 05:31 PM
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Quote:

64-5 Race hemi's had a thin damper.

It is safe to say that all street hemi's had a thick damper.



I think the 64, and maybe 65 had the thick damper also. The 64 race hemi service bullitin shows a clear pic of it.


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Re: 70 Hemi Cuda pulley questions........... [Re: FC7cuda] #213806
02/08/09 11:08 PM 02/08/09 11:08 PM
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1964-5 race hemi...thin damper

5011464-0d44_1.jpg (72 downloads)
Re: 70 Hemi Cuda pulley questions........... [Re: JRepucci] #213807
02/09/09 12:03 PM 02/09/09 12:03 PM
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Quote:

1964-5 race hemi...thin damper



can you make that picture smaller , I can't really make out where the dampner is
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