[Gmecm] TBI Swap - Iron Duke Tech IV

[Robert W Hughes]

> My crankshaft on my engine looks like that, that little "gear wheel" is 
> used by the DIS, right?  =D  If so, I'm all set for that... and the only 
> problem is now, is that I think i cut off the fuel relay/etc part of the 
> harness.... no big deal though I'll just resplice it after I retrieve it 
> from the Junkyard  :) 

I screwed up a little here, I think. The Tech4 has the Gm FWD bell 
housing rather than the small block V8 pattern, and the DIS engine has 
the port for the sensor rather tha a distributor hole so you would need 
the later block to use the DIS but it would not bolt to a V8 pattern 
bell housing. The timing wheel on the crank has only 7 slots, six evenly 
spaced and one offset from one of these by 10 degrees. The gear looking 
wheel in the picture is probably the drive gear for the balance 
shaft/oil pump assembly in the late blocks.

Ludis's website lists the earlier ecms for this engine with a 
distributor which might be the way to go.
-- 
Robert W. Hughes (Bob)
BackYard Engineering
29:40.237N, 95:28.726W or perhaps 30:55.265N, 95:20.590W
Houston, Texas "The city with too much Oxygen"
rwhughe at oplink.net