got a bunch of work done over 3 dy break, was suppoed to have a full work day yesterdaybut busted y dominant hand up pretty good ATVing over new years. Work was slow but trans is all shimmed to .002 though clearance, jsut gotta pop the 5th cluster back on seal it and reattach.
pilot bearings: this is the NV4500 weak point...i purchased a new needle bearing...it is a joke. I have never seen such a small pilot needle bearing on anythign I have worked on...Nope aint runing it as the first 5 pages of google are all people complainig the stock needle bearing sezied, and y buddy with a 3rd getn had first hand expereince with this.
the Luk clutch kit came with a bushing but was the wrong one...for a 1st gen flywheel, but they send a 2nd gen...i think i actually did have another bushing along with new FW bolts but musthave swept e into garbage by accident.
Anyway, I ordered a PTFE embedded oillite plus bushing from mcmaster. 1" OD .75" ID .002 shaft clearance and .002" press fit. ONly difference is this had a 0.2" thick flange vs teh one that was sent was 0.1" but measuring everythign up from mountnig face of bell to bell adapter, it looks like this bushing will be just fine, everything is line on line, Im thinking this may help input shaft stability as it has a "thrust" face bushing infront of it now too.
The oillite bushings are very cool, SAE 80 wt impregnated, and teh PTFE preggo ones are even nicer as the PTFE helps keep the shaft lubed below 10F until the bushing is warm enough to let teh oil flow. Good for constant shutdown/startups.
hoping to retest fit the trans on block tonight and put the whole deal back in.
Motor mounts are done minus fully welding one...tacked in place at least.
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pilot length:
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0.2" to tip
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new mcmaster bushing 0.1" to tip. Looks to me as though the entire load bearing part of the shaft is fully supported now with this bushing too..
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motor mounts...really need to get some gas on this welder..flux is getting old.
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