Ok...what we're really concerned about here is flow. Think of it like this; psi is rate, pipe diameter is volume. Inceasing either will increase flow...how much (and how efficient) depends on the turbo you're using. In piping, the most restrictive section will determine the flow for a given...
Does the wastegate arm on the turbine housing move freely?
Test the actuator. Take the actuator off, use an air compressor (set the regulator to 7.5 psi) and blow air into the actuator through the hose...use a tip so it will seal on the air compressor side. If the actuator doesn't move...
I didn't use a scraper, but it does make sense to use FIPG on both sides. I'd definately check the crank shaft clearances through a full rotation with the scraper...don't forget to leave the #1 piston at DTC. That's critical for installing the CPS later on.
Maybe someone else will chime in...
Yeah...that's what my motor did. Then I blew the little hose from the top of the head to the hard line around the block. The overheat that resulted killed my stock HG.
Might want to consider a system pressure test...you could have a pin leak and get air into the system over time. Like I...
Huge warning! That will work for a '70's 396 w/ a carb...it will NOT work on a Supra. You might like the guy, but you need a mechanic that knows how to work on a EFI system. Otherwise, you are going to get one problem fixed only to cause another.
I learned how to work on this car...
Porter - it just might be time to get a new mechanic. If the guy doesn't know how to check continunity, an EFI system is waaay over his head.
Here's the info on the throttle body, TPS and ISC:
http://www.cygnusx1.net/supra/library/TSRM/fi/FI_100.html
Here's the Dashpot system...
Here's the way it works (simple explanation): Assuming a healthy cooling system, it will heat up to operating temp, the thermostat will open and coolant will flow thru the radiator. The coolant will expand as it absorbs heat and vent into the overflow bottle. It will stay this way as long as...
Check your heater hoses. There's one on top rear that goes to the heater valve and another on the drivers side (return line) that goes to the big metal line around the block.
There's also a short line that runs from the back of the head down to the metal block line on the rear passenger...
Heehee...I literally drive a bus now...the Airbus 320 series. I'm one of those guys that break the mold...never did a desk job in the AF, built a bunch of hrs in these two acft and got hired. It's pretty boring compared to what I used to do...as it should be. Still in the Reserves, but I quit...
Yeah...had to pay my dues in this first for about 4 years in Del Rio TX. Transitioned to the Viper...got time in the A Mod (Blk 10 & 15) and C Mod (Blk 25, 30 & 40). It was quite a machine, especially the Blk 30...best thrust to weight of all. :bigthumb:
Toys do get expensive don't...
Test your coil packs per the TRSM:
http://www.cygnusx1.net/supra/library/TSRM/ig/IG_12.html
You may have had one fail. Also things to consider: plug wires, plugs, ignition module.
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