MoparFins

Techical Discussions => General Tech => Topic started by: Bill on February 06, 2015, 04:12:01 AM

Title: Serpentine belt retro
Post by: Bill on February 06, 2015, 04:12:01 AM
Anyone attempt to put a serpentine belt on an old bigblock yet?  Other than the aftermarket companies that is.  I'm looking for advice for factory parts from later vehicles. 

At some point in the future here I'll be converting to MPI and then I expect AC from the RV to sanden.  I figure if I'm going to modern up the car that much I may as well keep going and get a modern belt system too. 

Title: Serpentine belt retro
Post by: dana44 on February 06, 2015, 07:29:12 AM
Never done it myself or know anyone else that has, but make sure the routing turns the water pump in the correct direction. Attaching the needed pulleys shouldn't be too difficult, but adding the tensioner might be the fun part as to where to attach it. If I were doing it, I would get pictures of existing setups to help locate everything.

Title: Serpentine belt retro
Post by: Bill on February 06, 2015, 07:35:39 AM
Quote from: dana44
Never done it myself or know anyone else that has, but make sure the routing turns the water pump in the correct direction. Attaching the needed pulleys shouldn't be too difficult, but adding the tensioner might be the fun part as to where to attach it. If I were doing it, I would get pictures of existing setups to help locate everything.

I think the hardest part is going to be the crank pulley.  well that and finding the proper length belt.  And figuring out the PS pump issue, keeping it from flopping around as they did then.

Title: Serpentine belt retro
Post by: Steve on February 06, 2015, 07:41:26 PM
The problem is there is no big block that was ever cerpentine.  Only the LA based Magnums were.  I don't know if the lower pulley will bolt up to the damper or not either.  Never tried it  I think you'll have to go to one of those kits
Title: Serpentine belt retro
Post by: Snotty on February 07, 2015, 10:05:29 AM
There are aftermarket companies that offer these; I see them a lot at Hot Rod Shows.  The last time was Hot August Nights last year in Reno.  They are billet and expensive, but they will do the job.

However, I don't like them.  Unlike a factory set-up, they stick too far out in front of the motor and just look bad.  I'm sure they work well, but just look ugly... in my opinion.


Snotty2015-02-09 13:03:10
Title: Serpentine belt retro
Post by: Brian on February 08, 2015, 06:54:09 PM
I have to agree with Snotty on this one as well.  I am not a fan of the serpentine belts on the old mopar motors...or any old style V8 really.  Ad trying to make up a system from scratch!  That could be a huge job!

I would head over to Bouchillon performance and look at what they have.  Some of their stuff...including the Sanden AC compressor kits (which I used on the 440 in the wagon) are quite nice.