@mikestang63
You are correct - coolant only.
If any vacuum is found at those two connections, it is because there is a vacuum leak. That leak would also suck coolant into the intake manifold and then deposit it in the cylinders. Do that long enough and you will get hydraulic lock and definitely bend or break something.
So have you run the codes?
The TPS on these cars is non adjustable. You can twist it all you want but the ECU simply takes whatever voltage it's at during startup and marks take as idle reference. 0.5 to 1.19volts. You can chase 1.0 all you want but it Makes no difference. If the computer doesn't like the setting it will spit out a code 63/23.
So, of it is sensor related have you dumped codes?
Why do you have the EGR blocked off? Blocking it should not help your performance as it is not used at full throttle and the computer is calculating the in the recycled gas for max mileage and less detonation at cruising. Besides fresh air is better for us all, especially when the only down side is a little weight for parts the computer wants to see anyway.
When I added my BBK TB, EGR spacer, and MAF, the TPS would not twist far enough to get the voltage down to a bolt or less. A “needle” rat tail file made quick work of that.
The Edelbrock manifolds look nice. To make the RPM 2 work it’s best, you need more than the TB/EGR and MAF upgraded. Heads, cam and exhaust really should be upgraded to get Autobahn RPM range use out of it. Then you need to think about the transmission and rear axles, maybe the driveshaft, too.
As you reed more on this site, you will see how highly rated the cast GT-40 Ford manifold is.(You will also want to save and print out EVERY tech how to @jrichker has typed up and many other tech articles/swap guides. You will know more than the Ford mechanics, and with OBD1and the EECIV, that is a very good thing!)
Anyway, Where do you get thy GT-40 like cast manifold, besides from a 93 Cobra Stang or a Chinese reproduction? It is in disguise as an Explorer/ Mountaineer 302/5.0 intake manifold! I do not know if Ford sold them in Germany. If I recall right, the 96-7 USA ones have the internal EGR passages like stock Mustang ones. Tose passages changed on later ones, but if you do not want to use EGR, the later ones will be fine.
@tmoss ported my lower half, and it looks like golf balls will flow smoothly through it. I opened the upper half to match the larger TB/EGR plate and smooth out the bolt bumps back as far as I could reach. For much less than a new manifold, I have a nice looking intake that outflows most everything in the power band I need for hot street driving.
If you have Monster heads, cam and exhaust planned, the RPM line may fit your ultimate goal better. But my quarter mile times say I have 325-350 Hp at the wheels, and I think that is plenty for the T-5 and stock rear end in a light body.
I envy you getting to drive enthusiastically without worrying about a serious ticket! Sections of our interstate highways in the central states would be just fine for such driving - if the trucks would stay to the right - but the nanny state (disguised as Uncle Sam) has to take care of us.
FYI, it called a Ford Idle Air Adjuster Spacer & that's exactly what it's used for then & now....I've read about the original purpose of the IAC spacer developed by Ford as a quick fix to dirty throttle bodies, and how some guys use it now to fix idle problems....
Lived there for 5 years. Be careful applying the octane logic as it is measured differently there. Memory does not serve me all that well, but I believe the top octane there is comparable to 93 octane in the states, despite what the number at the pump says.Agreed. Blocking it was a tip from a local mechanic when we were troubleshooting the problem. Though one reason I could give for blocking it off (speaking as a high mileage owner) is that from the TB to the heads we found the surfaces were coated in carbon residue and gunk. I think if you have a shiny new ported intake, this might be a concern? Maybe it's some other issue, but I felt it was from the exhaust gases going back through. I was reading that the computer just takes the EGR system out of the loop when it sees it as faulty, and the gas in Germany starts at 95 octane, so I'm not too worried about detonation, but we might be losing some MPG. But I'm up for reconnecting EGR and coolant hoses and seeing how it does.
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