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It;s common practice and is not wrong in any way,but it is always better when things are machined for 1 thickness bearing and everything fits that way the first time-thats why I say have the crank ground undersize and you will be fine with that undersize bearing.

The factory has a wider variety of bearing halves to get the clearances they want. During a production run tooling wears and allowances need to be made. Might want to get your crank polished/sized so that journals end up the very same,then plastiguage or mic/bore gauge the bores/crank to be...

The free version is downloadable from the origin site-it lets you get a feel for it's capabilities before you purchase the software license and install the full version-no pirating involved. For those who have a 94/95 it's the best available outside a tech 1 or tech II with OBD1 expansion...

As far as elastometer balancers and pulleys go there is another option-Powerbond is an Australian company who makes quality parts and are available form Motorstate vendors(US/Canada) and O'rielys in US. Part# PB1194-N is the drive pulley $59.99 (6.2,6.5 with serpentine belt) Part # PB1490-N is...

feel free it also wouldn't be very hard to add a momentary switch in parallel with the 87a circuit using the hot side of the glow relay for filter priming.

I like the OPS relay mod but don't really see a need for 2 relays if a 5 terminal relay is used,note I should have added a fuse in the wire from the glow relay to the mod relay:

The truck had saddle tanks installed but I had to add a sending unit and also an automatic transfer pump using the stock wiring. The only sending unit I could get was a 100 ohm unit and now when the saddle tanks are empty the balance module tries to keep moving fuel from them and the rear LP...

I would say you are lacking a connection-porobably ground for one of the sending units. If you have a variable resistor or even a static resistor between 10 and 90 ohms you could put in the circuit in place of one sending unit at a time to discover which one is the problem. When you...

Will need to run TDCO so original ECM knows the location of the IP on the new engine.

I would also use some electrical cleaner on the contacts in the plug. Sounds like a ground may have been disturbed as well-forget if the sending unit harness or balance module controls that?

Ok so on a slightly related subject,I bought carcode with only the VPW interface cable for our trucks. Since most newer vehicles are now CAN I wanted to upgrade the cable but the author wants my spare right arm for the multi platform cable. In an attempt to save money I bought a usb ELM327...

If I am not mistaken Leroy sells the metrum fuel rod float/resistor kit,I think it has to be fastened to a stock sending unit and only replaces the float and variable resistor for the gauge.

You should be able to get an aftermarket spectra sending unit fairly reasonable from a jobber/parts store,just don't use the supplied fuel sock that it comes with. Put the stock sock back on or remove it completely and install a screen inline before the transfer pump. As far as manuals go -I...

I suspect so. The alternative is to remove the balance module and run only the frt tank,but it find it's small size a real problem. My truck only has 2hrs range on the frt tank alone.

Fuel gauge is not included in ECM function-it dead ends at the cluster I belive.

Had the same problem with my fuel gauge. If you disconnected the aux tank sending unit you created your own trouble. The dual tank trucks use a balance module that averages the readings of both sending units and sends that info to the gauge-both sending units MUST be connected and working for...

The easy test of the FSO is hold it with your hand while a friend turns the key from off to run-you should feel a firm CLICK.

http://www.thetruckstop.us/forum/showthread.php?37075-6-2-amp-6-5-Help-finder

Ok with that new info it does sound like bad or no thermostats,yes it should have 2 t stats if the replacement engine took the same upper rad hose as the original-replace with AC Delco ONLY. Can't comment on the PMD but would wonder if you have a failing ignition switch-no blower motor means...

It is giving you valid codes and descriptions-you got a good 1. First code-check wiring and perhaps change out the coolant sensor in the water crossover manifold at the frt of the engine with AC Delco part only. Second code-get a boost gauge connected and verify that the code is describing...