1984 Jetta , TDI WE MUST! (1.9 AHU M-TDI)

[theman53]

The 195 thermo would help if his car was reaching the lower temp to even open the T stat...fwiw though they start to open a little before the rating usually and are fully open by the rating. I don't think the 195 stat would hurt, but if the car only gets up to 160 it won't fully open the stat anyway.

[410]

You'r right Lucas, the thermostats do start opening before the rated temp.  I think it's worth trying.  An easy test for the thermostat is checking how warm the rad hoses and rad are when Jeremy is at 160'.  If the rad and hoses are even a little warm, changing the thermostat will make a difference.  At 160, the rad should be cold with even the 185 thermostat.

[8v-of-fury]

Yes the 195* thermostat would allow the coolant to raise to a temperature of 195F before the thermostat would open and allowing the water to flow through the radiator. HOWEVER, I have a 180* thermostat in there right now and the engine can barely sustain 160* F whilst cruising. So a warmer thermostat ain't gonna do diddly squat for me, unless I can stop airflow from blowing over my engine.

Yes that was the major point behind removing the EGR cooler, however with the introduction of ULSD there is not much left in the fuel to make much soot anymore so it is essentially a non issue. I have plans of running a top mounted T3 on this engine next year so it had to come off anyway.

[theman53]

I would put the 195 in there anyway 8v. The TDI could benefit from the heat all year. If your 180 is opening fully a shade early like say 177 then I could see it start to open at 160 and never let your car get any warmer. Cover that front end as even if the coolant isn't flowing through the rad it will help as the engine won't be getting all that cold air surrounding it.

I know what you are dealing with though, the TDI just doesn't make much heat.

[8v-of-fury]

Guess what happened again guys? Turning the key off does not shut my car off.. That is three plungers that have been murdered and eaten by my pump..

What the hell is going on in there!?

[snakemaster]

put a flap in the inlet manafold so you just cut the air when you want to stop your engine , then you can get rid of the guts off the stop solenoid and stop the crapy bits geting stuck in your pump and not stoping your engine/  link to solenoids http://www.thetoolboxshop.com/diesel-stop-and-advance-stop-solenoids-313-c.asp

[8v-of-fury]

Not a bad idea, it would be interesting to set up for sure. Have to hope you have good seals in the engine when it wants to suck in air I would think. lol

[8v-of-fury]

Almost blew the o'l girl up tonight!! Showing off for some Cavalier's and lifted trucks at the local Timmies lol.

Lets just say I clearly had the best burnout and subsequent launch

HOWEVER! When I let off there was popping and the exhaust sounded like I was missing on a cylinder or two..  sounded like she was gonna stall. However a feather of the throttle and two more seconds of running and it smoothed right out and ran fine.

Scared me let me tell you, thought I popped the k03 for sure! lmao

[snakemaster]

Almost blew the o'l girl up tonight!! Showing off for some Cavalier's and lifted trucks at the local Timmies lol.

Lets just say I clearly had the best burnout and subsequent launch

HOWEVER! When I let off there was popping and the exhaust sounded like I was missing on a cylinder or two..  sounded like she was gonna stall. However a feather of the throttle and two more seconds of running and it smoothed right out and ran fine.

Scared me let me tell you, thought I popped the k03 for sure! lmao

thats how my other MTDI goes when i give it to much gass ,pulls down on 2 , i still have not got to the bottom of this yet

[srgtlord]

Maybe more fuel than the vehicle can successfully combust? Fuel/Air mixture Waaaaay too rich ?

[CRSMP5]

mine pulls till it no longer revs... never got a miss with it... but i got double valve springs.... vs stock single... floating a valve would do that... lifter over pumps.. then gotta pump back down.. holds the valve off the seat...

[8v-of-fury]

thats how my other MTDI goes when i give it to much gass ,pulls down on 2 , i still have not got to the bottom of this yet

Maybe more fuel than the vehicle can successfully combust? Fuel/Air mixture Waaaaay too rich ?

First time I have ever gotten this to happen, but not the first time I have done what I did in the parking lot It was weird, and smoothed right out.

mine pulls till it no longer revs... never got a miss with it... but i got double valve springs.... vs stock single... floating a valve would do that... lifter over pumps.. then gotta pump back down.. holds the valve off the seat...

Seeing as how we have similar pumps, and turbo's.. the valve springs must be the only difference as to what happened. However.. our pumps are slightly different. You have done the Gov Mod, whereas mine is stock Rover governor. So there is noway the stock Rover governor would allow the 2.5 it came off of to over rev, so chances are it didn't over rev mine either. She was screaming though! lmao

[bbob203]

mine pulls till it no longer revs... never got a miss with it... but i got double valve springs.... vs stock single... floating a valve would do that... lifter over pumps.. then gotta pump back down.. holds the valve off the seat...

I can testify the kubvan is a wildebeast.

[CRSMP5]

 

[theman53]

I too have ridden in the toaster, 3rd is the best for the long pull.