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The timing should advance once the EST is reconnected. ECM should take over timing at that point. i would like at ignition module first.

I owned my 84 4+3 for 24 years and I never drove it in OD until I was out cruising and in 4th. 2nd and 3rd OD were sort of useless IMO.

The C4 chassis has hooking points both in front and rear. You'll find them under the firewall and ahead of rear wheel wells and can be identified by seeing the slots in them for the chain hooks used on the assembly line. I rest that on the jackstands. Also, have jackstands with a groove cut into...

I have extra actuators available in case anyone is interested. You can email me at surrexi2@comcast.net. Or PM me.

Pull the the guts out of the smog pump and just run it as an idler.

IACs will be positioned for startup, so yeah they'll be open. Check TBIs and the manifold top plate gaskets may need replacing depending on age and DON'T USE silicone sealer for gaskets.

If TBIs are installed, you can key ON and energize the fuel pump. Then watch to see if injectors drip. any of the plugs look steamed? How about head gaskets? What do they look like?

It was seen headed down I-65 towards Bowling Green later on.

Xfire is wet manifold. injectors could be old and dripping.

Apache, sounds similar to to my old setup. Stock bottom end w port matched Xfire manifold, 2.13 TBs, 80# injectors running 10psi @idle thru to 20psi WOT. Custom Comp Cams single pattern roller 218d@.050/.535" w a 108LSA ON 1.6:1 full roller rockers and lifters. Heads were AL TFS 23d...

Async is no help. You are starting out w staggered injectors due to the loss in FP between front and rear TBIs. There are no other larger injectors that replicate the staggering in stock setup so u are forced to run 2 of the same size injectors. In order to do that, pressure must be equal to...

Reminds me of my 72 Steel Cities Gray coupe w camel interior.

Wy do you think Chevy has been running mid-engine prototypes for the last two years in ALMS? it wasn't just for kicks.

You'll need to parallel plumb the TBIs in order to use them. Also, will need an external fuel pressure regulator connected to a vacuum port to vary pressure. EBL great choice to manage this. i still may have a couple of these from my 84.

Results are good to know for future reference. Lights should work fine. I guess electrical should be close or the same.

The 84 hood has channels built into it that directed air to the air cleaner assembly over the TBIs. Need to check if those channels would interfere w hood closing over TPI.

How about these covers?

If you are asking relative to a Xfire, it's because it's a wet manifold altho I did have it on my 84 once I swapped to EBL ECM.

Have u looked at Vredersteins?