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Messages - fatmobile

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1
mTDI Mechanical TDI Conversions / M-TDI ALH into a MK2 swap
« on: November 17, 2019, 03:43:51 pm »
 I have an ALH engine, a '91 Golf and a pump.
 Starting with the clutch so I can make some timing marks for TDC and 12BTDC.

I'm going to use the MK2 020 trany to start with and upgrade to the TDI trany later, just to get it on the road faster and have it running while I collect the parts for an 02A or J
 Should I use the MK2 tin clutch cover or the TDI style?


 If I use the MK2 tin covers I'll need to use the MK2 crank seal carrier,
because the MK2 tin bolts to it.


Also wondering what to do on the other end with the serpentine belt.
 Since I don't want power steering or AC.
tdifrontbelts by vwfatmobile, on Flickr

2
Troubleshooting / Re: 81 Pickup 1.6D Electrical nightmare
« on: November 01, 2019, 02:00:20 am »
 Got the rad fan figured out?
 I like to use the MK2 radiator fan relay setup. All wiring stays in the engine bay.
 It mounts on the radiator fan shroud.
 Instead of running power through the firewall so it can go back through the firewall out to the switch, back through the firewall to the relay, then back through the firewall to the radiator fan.

 Then you can use the old radiator fan relay spot in the fusebox for the reverse light relay.
 So the reverse lights don't burn out your new reverse switch like they did the old one.
 The wires run right past the relay spot.

3
IDI Engine / Re: Giles Pump matched to a K14
« on: November 01, 2019, 01:45:11 am »
When I started a Jetta TD that hadn't run in quite awhile.
 It over over revved because the flyweights had stuck and wouldn't fly out.
 I took the top off and got the flyweights moving.
 Put the top back on and it ran right.

 Got clear fuel lines?

4
A pulse detector would help you see if the timing is right.
 Using a timing light.

5
IDI Engine / Re: VNT15 on 1.6 Diesel
« on: October 14, 2019, 11:52:59 pm »
 What's 2052?
 What does it come off of?

6
IDI Engine / Re: 1.6 Crank Sprocket Bolt and Washer
« on: October 11, 2019, 01:53:13 am »
 Doesn't sound like you'd have to chase very far,..
 since Libby has some he'll never use he he.
 If I remember right length of the bolt matters more than serrations on the washer.
 They didn't always use the washer and the bolt for that crank is a different length.

7
IDI Engine / Re: VNT15 on 1.6 Diesel
« on: October 11, 2019, 01:47:51 am »
Yep, the turbo should be tuned so the EGTs stay in a good area.
Lower when cruising,...about 800 F when boost is 8psi
 

 and around 1200F when floored and boost is 15 psi and up to 18.
 That'll help keep the VNT vanes from sticking.

 I really like the VNT-15 on a 1.6.
 Spools up early, sounds great.. and I don't need more than 15 psi boost.

8
IDI Engine / Re: VNT15 on 1.6 Diesel
« on: October 08, 2019, 10:12:23 pm »
Yep, from my experience the vanes need to open up quite a bit by half throttle.
Maybe half way.
 Then open gradually from there.
 With the VNt-15 you can really feel excessive boost slowing you down when you take off.
I think that's what's good about a vaned turbo.
 A wastegate doesn't really reduce back pressure as much. Exhaust still has to get pushed through the small gate.
 I had my 15 start rubbing the housing. I was able to mechanically open the vanes all the way up and make it home without the turbo spinning/grinding.
 The exhaust flows straight through it so smoothly when the vanes are opened. Unrestricted. Less back pressure.
Besides when the vanes open you can hear the engine roar.

9
IDI Engine / Re: Slow vac build up along with low oil pressure when hot
« on: October 07, 2019, 03:28:12 am »
It wasn't an o-ring.
  It's a regular/green seal. Had to get mine at the dealership.
I can't follow his link to facebook.

 You can check the clearance on the cam journals,.. and the rods.
 Most likely cause of low  oil pressure is intermediate shaft bearings.

10
IDI Engine / Re: VNT15 on 1.6 Diesel
« on: October 07, 2019, 03:23:41 am »
I flipped he internals on the turbo controller so boost controls the vanes instead of vacuum.

11
IDI Engine / Re: My firtst 1.9 IDI
« on: August 17, 2019, 01:32:16 am »
NAPA did have a composite gasket.
 Rock auto sold the same  one and listed that the holes for the cylinders were too small for the pistons.
How much for a aaz valve cover?
Because i was in a hurry and didn't have the 1.9 valve cover, I just put the 1.6 head back on with the reused gasket and  newish prechambers.

12
IDI Engine / Re: My firtst 1.9 IDI
« on: August 09, 2019, 05:41:24 pm »
I ordered one from the dealership.
 Had no idea it would get here this fast. 2 weeks.
 they must have imported it from Canada.
 $75

13
 Yep, I got it from William Smith.
 In the classifieds on here.

 I have the engine now and should be putting it all together soon.

14
mTDI Mechanical TDI Conversions / Re: Source for a good pump
« on: August 04, 2019, 03:08:07 am »
I think the 4BT works best with the AHU engine and bracket.
And different springs need to be used inside to get he RPM curve right.
 The alh might need to be machined to fit the diameter and shaft length.

15
IDI Engine / Re: My firtst 1.9 IDI
« on: July 23, 2019, 02:57:40 pm »
oops.
 The Mahle composite gasket info says it has piston holes that are 79.91 across.
 These pistons are 79.98.

 So the only option is the metal elring gasket. #914.848.
 I ordered one from the dealership and the plan is to spray some hylomar and reuse the metal gasket.
 It will probably leak but it needs to be up and moving. I need the space it's in.

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