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Double Roller Timing Set
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Author:  60 Pioneer [ Mon Feb 19, 2007 7:55 pm ]
Post subject:  Double Roller Timing Set

I've been looking at some of the past posts regarding double roller timing sets.

It looks like the Hughes set is the bargain at $49.50, while the individual Cloyes pieces total up to $80 at Rock Auto.

What kind of quality is the Hughes set? Is the Cloyes set that much better?

Thanks, guys, for any replies.

Author:  rosspulliam [ Mon Feb 19, 2007 9:47 pm ]
Post subject: 

I waited and searched Ebag for an original mopar performance piece. Great quality.

Author:  CStryker [ Mon Feb 19, 2007 11:30 pm ]
Post subject: 

I'm more than satisfied with the Australian set I got from Cox Bros., but iirc, it was significantly pricier than the Hughes set, which was back ordered at the time. Does the Hughes set have multiple key ways on the crank sprocket so that you can advance/retard w/o the using of bushings?

Author:  argentina-slantsixer [ Tue Feb 20, 2007 2:58 am ]
Post subject: 

no multiple keyways in the hughes set, but outstanding quality. Hardened crank sprocket, very nice and accuratedly marked sprockets, got me within 1º of specs on my first erson cam installation.

Author:  Charrlie_S [ Tue Feb 20, 2007 4:24 am ]
Post subject: 

I could care less about multiple keyways, in the crank gear. I have a set in my engine and put bushings in the cam gear. It is so much easier to change timing with the bushings. With the multi key crank gear you still have to remove the cam gear and then remove the crank gear with a puller. With the bushings, just remove the cam gear change the bushing, done deal.

Author:  60 Pioneer [ Tue Feb 20, 2007 8:00 am ]
Post subject: 

The Hughes set does not have the keyways like the JP, but then again, it is almost 1/3 the price of the JP set. I just wanted to make sure that the Hughes set is a quality piece.

The keyways would be nice, but I plan on degreeing the cam with the help of the machinist once he gets my block work done, so the JP set might be a little overkill for my needs.

Charrlie_S,
The idea of using bushings sounds like a good idea to me. Are they something that you can buy, or are they something that you had to custom fab? Did you have to modify the cam gear? Maybe a pic if anyone has one?

The Cloyes set is supposed to me a knock-off of the MP set that Ross mentioned. Does anyone have any experience with this set?

Thanks again!

Author:  rosspulliam [ Tue Feb 20, 2007 9:03 am ]
Post subject: 

These I think are what he is talking about, though I may be wrong.

Author:  60 Pioneer [ Tue Feb 20, 2007 11:27 am ]
Post subject: 

hmmm...the picture really doesn't provide a sense of size...would those bushings insert into the center of the cam sprocket under the bolt or on the cam pin?
Either way, wouldn't you have to enlarge the hole in the sprocket for the bushings to fit into?

Author:  Doc [ Tue Feb 20, 2007 11:42 am ]
Post subject: 

To use the off-set bushings, you have to enlarge the cam gear's hole, where the cam's index pin goes into the cam gear.

These days, I degree the cam, see how much I need to move (and in which direction) then turn the current dowel pin hole into a "slot". I add a small shim to be sure the dowel pin does not move with-in the slot, then cover the area with a large flat washer.
DD

Author:  60 Pioneer [ Tue Feb 20, 2007 1:18 pm ]
Post subject: 

ahhh...OK...I got it now.

It seems like it would be easier to make adjustments with the cam gear as opposed to the crank.

I also like the idea of elongating the pin hole. Simple and effective.

Thanks for the insight, everyone.

Author:  NewLancerMan [ Tue Feb 20, 2007 3:27 pm ]
Post subject: 

Bill, I also think I just bought chevy bushings when I did mine, and they were less expensive. I only need 2 degrees, so figured why get all the rest ;)

MJ

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