Good news and not so good news.
Engine, well it needs to go to Dr. now. But looks like a slight change in plans for now and we are going to throw a junkyard vortec motor in and turn up the boost in time for shindig. Rework current motor over winter.
Engine, well it needs to go to Dr. now. But looks like a slight change in plans for now and we are going to throw a junkyard vortec motor in and turn up the boost in time for shindig. Rework current motor over winter.
Were your old heads Vortecs? Intake manifold gonna line up...?
Nope, have welder, milling machine, have done a few syty vortec intakes can probably make it work.
Pulilng off trailer it had full oil pressure again, so I am crossing fingers it isn't hurt too bad.
On a side not MSD install has caused me to loose ALDL connection. Turn truck off/key on connects fine.
Engine running get a sample about every 2 seconds.
Trucks last pass sounded fine going down the track, but it seemed every run we made it kept going slower, even though the 60ft times were getting slightly better due to tuning of the launch.
When I pulled onto the return road I heard a little extra noise, like a minor rod knock (if rod knocks can be minor) looked down and oil pressure gauge was really low, guessing 10psi. Normally is 40.
So I took it as easy as possible back to trailer, loaded it up and came home.
Yesterday unloading it, had the normal 40psi and no un usual noises so I don't think it is hurt really bad. But either way it is coming out this week to look inside. A decision will then be made to go vortec or fix whats broke.
Pretty much limits you to vortec heads for your rebuild, when you get that far. I guess it's easier to buy a SBC manifold with EFI bosses.
Mike Lee is having the same issue... Where are you grounding it, and I'd also get a big-whompin stereo filter cap to put across the input power. Maybe even 2.
Makes me wonder about the quality of the MSD boxes they're selling these days... Chinese?
I was thinking about this as well. That 4cyl motor in your shed would do the same thing. Plenty of pressure at idle when cold, but once warmed it dropped WAY down, and would make bad noises.
Speaking of which, when should I plan to come over and help you move that thing to the "scrap heap"?
Go with the vortec.. I wanna see what one will take.. Expecially since it on your dime..
-Matt
Did corner weights tonight. Truck launched very well at track so wanted to see what we actually had for weights on corners.
Without me.
![]()
![]()
With me
![]()
![]()