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Timing Chain conversion kit??


whoizitcc69
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Hey everybody.. I have a 1991 pathfinder with the VG30 engine. I've been searching for this, but I am not getting any answers.. Probably for two reasons, one I'm searching wrong, or it does not exist. So the short question is Do they make a timing chain conversion kit for these engines, to change out the timing belt and gears and tensioners??  Meaning, Yes I am aware its is a timing belt. But wondering if they make a kit to change it over to a chain???  I do not have to explain the advantages to this.. I'm getting ready to tear down mine and change the gear seals, timing belt, water pump, the whole works. I figured while I had it down I would switch it over if they made one.. for the moment, I did purchase the new blue Gates racing belt, which apparently they are 300% stronger than the factory belt..

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Thanks Gamellott..  This is what I had figured,  I just remember I had a 300 with the same engine block but it was timing chain, but it also was dual over head cam if I remember correctly, I just thought someone may have figured out how to do it by now.. But I am super happy I did find the new Blue racing Gates belts.. I don't plan on doing anything crazy, its my daily driver during bad weather to keep my other new vehicle off the roads.. I have to go to work no matter what, being I'm a fire fighter.. But I am also a ex mechanic and seen how much new stuff has come out for these old rides, so it never hurts to ask.. Thanks again!

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If you're going to do the timing belt, it's frequently recommended that you replace the water pump. If you don't know the age of the pump, it would be a good idea and an ideal time to swap it out. I've done the timing belt twice on my rig and it's a long time consuming job. Also, if this is your daily driver, and have no backup, take a weekend to do it. Parts are not as readily available to do this as they may have been 10 years ago. Also, a good opportunity to replace that crank seal that is possibly leaking ?

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Yeah, do everything you can while you're in there. Cam and crank seals, water pump, thermostat, bypass hose, belt, and tensioner, and have a good look at your rad hoses. The timing belts last long enough that the chain conversion would be more trouble than it's worth. If you want a longer-lived belt, get a set of sprockets off a later (mid-'93+) VG to run the round-tooth belt. Square-tooth is good for 60k miles, round is good for 100k IIRC.

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I had suggested years ago that it is possible for me to do this on the pathy, but between the cost of materials,  my CAD/ CAM time and the need for at least 10 people to sign on and put money down it never got off of the ground floor. Sorry about that. 

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