quick question,
does this engine have a timing belt or chain?

Thanks

Joe

 

thats a good question, i think its a belt, but I am far from sure. If you find out before I do leave a reply thanks

 

according to allpar (http://www.allpar.com/mopar/37.html)

"The 3.7 has a 90 degree V-6 design with cast iron block, compacted graphite bedplate and aluminum cylinder heads with single overhead cams on each bank. A centrally-mounted, gear-driven counter-rotating balance shaft, along with a split-pin crankshaft, reduces vibration.

Like the 4.7 on which it is based, the 3.7 features chain-driven overhead cams to provide long-term durability and reliability. A fabricated tubular camshaft with powder metal lobes helps reduce engine weight. "

All-in-all I'm very impressed with this engine...

 

I am also very impressed with this motor, I have had it for 7000 miles now and continue to be impressed, just dont tell anyone who owns a hemi. Anyway, I think that are motors have double overhead cam, and the new 3.7s have a single, that was there way of fixing the vibration at idle. I read that in a jeep forum, I think, so check if that is for a 2005 and below or a 2006

 

Thanks for the replys.
I agree that the motor is very impressive. it got about 37k on it and aside from some gas knock, it runs great.

Joe

 

This engine has 3 timing chains and are sold as a unit with the guides. Basicly it looks like a standard V8 chain setup but instead of driving a central camshaft it drives two chains going to the overhead cams. It seems like a pretty reliable design. The average weekly demand is only 25.
Mark