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Search: Posts Made By: Duder
Forum: projects & restorations Yesterday, 07:58 PM
Replies: 424
Views: 67,782
Posted By Duder
I forget which turbine housing you have right...

I forget which turbine housing you have right now, but there are 4 or 5 different A/Rs available for the GTX42R turbine. You could always go up to a larger housing if you find yourself at a power...
Forum: maintenance & nonperformance Yesterday, 03:26 PM
Replies: 3
Views: 122
Posted By Duder
Addressing your points: 1) The external...

Addressing your points:

1) The external restrictor is needed to reduce oil flow into the ball-bearing system. 1.0 mm is a good place to start for the external restrictor. If you don't have any oil...
Forum: projects & restorations Yesterday, 03:06 PM
Replies: 424
Views: 67,782
Posted By Duder
Yes, exactly. It's weird but it can happen.

Yes, exactly. It's weird but it can happen.
Forum: projects & restorations Yesterday, 02:00 PM
Replies: 424
Views: 67,782
Posted By Duder
Erik can correct me if I'm wrong, but I don't...

Erik can correct me if I'm wrong, but I don't think he was applying any pressure to the top of the gate to attempt to keep it closed. The "bolt mod" effectively does that mechanically - seemed like a...
Forum: projects & restorations 01-17-2019, 12:07 AM
Replies: 3
Views: 173
Posted By Duder
Wow, nice survivor, awesome find. Have fun with...

Wow, nice survivor, awesome find. Have fun with the resurrection. Looks like Pat Dickman's "Badger" 242 with the primer stripes. That's a good thing!
Forum: projects & restorations 01-16-2019, 02:40 PM
Replies: 424
Views: 67,782
Posted By Duder
Awesome, thanks for the whole riveting saga in...

Awesome, thanks for the whole riveting saga in one megapost.

For others reading this - Erik's core issue was wastegate flutter. From the video he sent me it did sound a bit like compressor surge,...
Forum: projects & restorations 01-16-2019, 02:16 PM
Replies: 290
Views: 48,654
Posted By Duder
A modern diesel can be an awesome highway cruiser...

A modern diesel can be an awesome highway cruiser - smooth, quiet, and un-stinky. And as Harald is illustrating, they can make great power too. But I think it may not be the best choice for your...
Forum: projects & restorations 01-16-2019, 02:03 PM
Replies: 591
Views: 172,908
Posted By Duder
If you want someone to bounce your ideas off of,...

If you want someone to bounce your ideas off of, I'm glad to be that someone. I'm curious to hear your plans and might be able to offer alternate ideas to help reduce the expense. Turbo matching...
Forum: projects & restorations 01-15-2019, 09:28 PM
Replies: 424
Views: 67,782
Posted By Duder
... Are you taking a dramatic pause before...

...

Are you taking a dramatic pause before finishing the story? :-P
Forum: projects & restorations 01-15-2019, 03:17 PM
Replies: 290
Views: 48,654
Posted By Duder
The only inline 6 diesel that would really fit is...

The only inline 6 diesel that would really fit is the D24...and barf. :barf: to that idea.

If he wanted to do an oil burner I think a 2.0L common-rail TDI would be much better suited. The...
Forum: performance & modifications 01-15-2019, 01:23 PM
Replies: 15
Views: 579
Posted By Duder
Yes, it's the entire huge batch that I've been...

Yes, it's the entire huge batch that I've been selling for the past 2 years that's affected. Sorry for the confusion. I posted some notes in bold on the website in hopes that people wouldn't miss it.
Forum: projects & restorations 01-15-2019, 12:11 AM
Replies: 290
Views: 48,654
Posted By Duder
Upvoted it for you. 5 stars!!!1! Lots of...

Upvoted it for you. 5 stars!!!1!

Lots of good stuff here! I'm not surprised nor saddened to hear that you want to go with a mild lift and meaty tires for this. Makes perfect sense given the...
Forum: maintenance & nonperformance 01-14-2019, 05:50 PM
Replies: 1
Views: 163
Posted By Duder
1. No - you didn't hurt anything inside the...

1. No - you didn't hurt anything inside the turbo. The bolt holes in the oil drain flange don't pierce the internal oil drain cavity. I would just make sure the threads are still OK, maybe chase them...
Forum: showroom 01-12-2019, 05:31 PM
Replies: 574
Views: 93,588
Posted By Duder
That's a good looking Jeep Cherokee :-P

That's a good looking Jeep Cherokee :-P
Forum: performance & modifications 01-12-2019, 05:29 PM
Replies: 30
Views: 651
Posted By Duder
Check out a Bosch recirculating bypass valve like...

Check out a Bosch recirculating bypass valve like 0 280 142 110. They work well and are relatively cheap.
Forum: performance & modifications 01-11-2019, 12:47 PM
Replies: 15
Views: 579
Posted By Duder
Sorry I wasn't able to respond last night, but I...

Sorry I wasn't able to respond last night, but I did get basically the same feedback from Karl that mck1117 provided here. You should complete the installation, test functionality, then let us know...
Forum: projects & restorations 01-09-2019, 06:31 PM
Replies: 591
Views: 172,908
Posted By Duder
Happy to answer whatever I can. Yeah, can't...

Happy to answer whatever I can. Yeah, can't escape the alphabet soup apparently. Shop around a bit, there will likely be some difference in pricing at various distributors and retailers. There's an...
Forum: projects & restorations 01-09-2019, 04:07 PM
Replies: 591
Views: 172,908
Posted By Duder
:cameron: Trying to sound as un-biased as...

:cameron: Trying to sound as un-biased as possible, but a 70mm turbine wheel and 76mm compressor is definitely going to be overkill in terms of physical size, for 350whp at sea level on a 2.3L.


...
Forum: projects & restorations 01-09-2019, 01:57 AM
Replies: 108
Views: 31,329
Posted By Duder
Interesante. Good to know, and makes sense I...

Interesante. Good to know, and makes sense I guess since the HEI wiring diagram looks very similar to the Volvo / Bosch breakerless system. I'll keep that in mind for next time it dies...
Forum: projects & restorations 01-09-2019, 12:16 AM
Replies: 754
Views: 127,872
Posted By Duder
Careful with comparing the same numerical A/R...

Careful with comparing the same numerical A/R across different turbo frame sizes. A/R is just a ratio, and within a frame size there will be a family of several different A/Rs. But as you go up in...
Forum: projects & restorations 01-08-2019, 06:03 PM
Replies: 754
Views: 127,872
Posted By Duder
No worries. I thought it was pretty interesting...

No worries. I thought it was pretty interesting when I learned about the downpipe's potential affect on performance. Common knowledge is "the best turbo exhaust is no exhaust," which is generally...
Forum: projects & restorations 01-08-2019, 04:22 PM
Replies: 754
Views: 127,872
Posted By Duder
Reading through old Volvo literature recently I...

Reading through old Volvo literature recently I came across the explanation... engine was slanted to make room for K-jet bits on the intake side and the related intake manifold design(s) required to...
Forum: projects & restorations 01-08-2019, 01:17 AM
Replies: 200
Views: 30,714
Posted By Duder
Nice progress here. Tuning is always fun once you...

Nice progress here. Tuning is always fun once you get "stuck in" and comfortable with what's going on. Enjoy the process!
Forum: projects & restorations 01-08-2019, 01:13 AM
Replies: 754
Views: 127,872
Posted By Duder
That should work just fine. Looks really good in...

That should work just fine. Looks really good in terms of flow re-entry into the downpipe. The wastegate flow shouldn't interfere with the turbine outflow very much at all.

Also great that you...
Forum: maintenance & nonperformance 01-07-2019, 03:52 PM
Replies: 29
Views: 928
Posted By Duder
The rusty one you posted photos of looks to be...

The rusty one you posted photos of looks to be dimensionally the same as the Lotus housing you were asking about. 110mm bolt circle, and wastegate arm clocked differently vs. your stock turbo.
...
Forum: maintenance & nonperformance 01-07-2019, 03:01 PM
Replies: 29
Views: 928
Posted By Duder
Fair enough, looked like 0.83 but I see it's 0.63...

Fair enough, looked like 0.83 but I see it's 0.63 now. Regardless, still bigger than your current housing and will change the boost response, wastegate %, & turbine flow. Not to say it would be a bad...
Forum: maintenance & nonperformance 01-07-2019, 03:00 PM
Replies: 29
Views: 928
Posted By Duder
Your stock turbo has a 0.48 A/R turbine housing,...

Your stock turbo has a 0.48 A/R turbine housing, with the stepped Volvo T3-style inlet flange, and the outlet flange has a 64.5mm inner diameter, with a 100mm bolt circle for the 3-bolt flange.


...
Forum: maintenance & nonperformance 01-07-2019, 01:47 PM
Replies: 29
Views: 928
Posted By Duder
That housing ^ is 0.83 A/R, which will flow a lot...

That housing ^ is 0.83 A/R, which will flow a lot more than the 0.48 A/R that everyone seems to like. It will also make for lazier boost response.
Forum: maintenance & nonperformance 01-06-2019, 04:40 PM
Replies: 29
Views: 928
Posted By Duder
What's the Garrett part number of the stock turbo...

What's the Garrett part number of the stock turbo from your B204?
Forum: maintenance & nonperformance 01-04-2019, 01:46 PM
Replies: 29
Views: 928
Posted By Duder
That part of the housing is called the tongue. A...

That part of the housing is called the tongue. A minor crack in the tongue can be considered normal in a lot of applications, but yours looks like it has migrated pretty far around the housing and is...
Forum: projects & restorations 01-04-2019, 01:19 PM
Replies: 677
Views: 195,600
Posted By Duder
Russian ebay is great for cheap car parts! For...

Russian ebay is great for cheap car parts! For our Lemons E36 we scored 4 plastic fender flares for like $75 SHIPPED from Russian ebay. They arrived in a burlap sack.
Forum: projects & restorations 01-03-2019, 08:12 PM
Replies: 677
Views: 195,600
Posted By Duder
Awesome to hear the oil consumption issue is...

Awesome to hear the oil consumption issue is solved. To where did you plumb the accumulator sump vent?

Nice to see oil flow in the clear hoses. The froth you see in the sump drainage is pretty...
Forum: projects & restorations 01-03-2019, 04:54 PM
Replies: 108
Views: 31,329
Posted By Duder
Old -005 box out of the car. Roadmaster to the...

Old -005 box out of the car. Roadmaster to the rescue. Ian suggested that this may have failed due to cold solder fatigue, so I'll open it up and see what I can see. Might be worth trying to repair....
Forum: projects & restorations 01-03-2019, 02:57 PM
Replies: 108
Views: 31,329
Posted By Duder
Seems like it's back on the road now... ...

Seems like it's back on the road now...

Yesterday I verified that all the ignition control connector pins look ok. The car went totally dead after a few more tries. Then remembered that I had...
Forum: projects & restorations 01-02-2019, 02:05 PM
Replies: 15
Views: 1,438
Posted By Duder
Cool project; I like the strut tower stiffening...

Cool project; I like the strut tower stiffening plates.

You may want to look into the differences between B23 and B230 short blocks before letting the machinist tell you which one to use - lots of...
Forum: projects & restorations 01-02-2019, 01:22 PM
Replies: 108
Views: 31,329
Posted By Duder
Thank you, Ian. That may come in handy. I drove...

Thank you, Ian. That may come in handy. I drove the 75 today and it's back to the same stalling behavior, so my 2-wire harness theory wasn't quite right. I'll check spark again first. It did seem...
Forum: projects & restorations 12-28-2018, 12:06 AM
Replies: 108
Views: 31,329
Posted By Duder
Thanks for the tip, Eric! I had no idea that Dave...

Thanks for the tip, Eric! I had no idea that Dave sold any harnesses for a 75.
Forum: projects & restorations 12-23-2018, 01:05 AM
Replies: 108
Views: 31,329
Posted By Duder
Good idea. That reminds me, I have some "liquid...

Good idea. That reminds me, I have some "liquid electrical tape" goojum that might work well if it hasn't solidified into a useless clod by now.
Forum: projects & restorations 12-22-2018, 10:55 PM
Replies: 108
Views: 31,329
Posted By Duder
Here's a terribly exciting video of the B20...

Here's a terribly exciting video of the B20 running after going through the ignition troubleshooting.

https://youtu.be/Fe3FXpwjbB4

<iframe width="560" height="315"...
Forum: projects & restorations 12-22-2018, 10:48 PM
Replies: 108
Views: 31,329
Posted By Duder
Thanks for the idea...it was sort of acting like...

Thanks for the idea...it was sort of acting like fuel starvation, but luckily I think I've solved it without having to break out K-jet tools!

Took some time today to carefully go through the...
Forum: projects & restorations 12-20-2018, 02:52 PM
Replies: 80
Views: 11,745
Posted By Duder
Good deal. A couple years ago I had just torn one...

Good deal. A couple years ago I had just torn one out of an E36 to put the battery in the cabin when I realized it might be handy to save for this project. It's nice and flexible and should route...
Forum: projects & restorations 12-20-2018, 04:09 AM
Replies: 108
Views: 31,329
Posted By Duder
Thanks for the ideas. Oil and water both look...

Thanks for the ideas. Oil and water both look fine. This car being a '75 US-spec has K-jet injection. I think I'm going to concentrate on ignition when I have some time in a few days: ensuring good...
Forum: projects & restorations 12-20-2018, 03:53 AM
Replies: 80
Views: 11,745
Posted By Duder
Nice job on the steering column mod - looking...

Nice job on the steering column mod - looking good dude. I understand your plan now!

As for battery relocation, in my blue wagon I'm going to put the battery in the right buttcheek and run a BMW...
Forum: projects & restorations 12-19-2018, 01:36 PM
Replies: 108
Views: 31,329
Posted By Duder
I've been driving this old greenie a few days per...

I've been driving this old greenie a few days per week lately, but it just started acting up. It died a few times last time I drove it, hard to start but I managed to get it going again and make it...
Forum: projects & restorations 12-12-2018, 09:29 PM
Replies: 424
Views: 67,782
Posted By Duder
Have fun with that big bad boy. The world needs...

Have fun with that big bad boy. The world needs video.

Regarding the wastegate mounting - you gotta do watchu gotta do. It's not ideal but you know that. I won't grill you for it...much.
Forum: projects & restorations 12-07-2018, 06:23 PM
Replies: 559
Views: 157,842
Posted By Duder
Good to hear feedback and know there is interest....

Good to hear feedback and know there is interest. I will get back on this project and post updates in the main wasted spark thread and on my website. It's a simple little thing, I just need to take...
Forum: performance & modifications 11-27-2018, 06:02 PM
Replies: 32
Views: 2,764
Posted By Duder
Almost but not quite. Surge won't try to spin the...

Almost but not quite. Surge won't try to spin the wheel backwards; and even if there is some torque reversal at the wheel it's not the main concern.

Compressor surge essentially creates a rapid...
Forum: projects & restorations 11-19-2018, 05:55 PM
Replies: 691
Views: 94,765
Posted By Duder
I like your mounts - looks like they worked out...

I like your mounts - looks like they worked out rather nicely with the modified E30 crossmember. Also it must be super convenient to build them on a bench without the car in the way. Nice work as...
Forum: projects & restorations 11-19-2018, 05:52 PM
Replies: 559
Views: 157,842
Posted By Duder
I'll do pipe plugs if these caps don't hold. ...

I'll do pipe plugs if these caps don't hold.

Your junkyard story reminds me of how I would grab the little 1/2" hose clamps off of W123 and W126 Mercedes diesels in the yards. Seemed like an...
Forum: projects & restorations 11-18-2018, 12:37 PM
Replies: 559
Views: 157,842
Posted By Duder
None that I know of. I simply haven't hooked it...

None that I know of. I simply haven't hooked it back up yet since the engine swap. Probably will do so in the future. It's just for fuel vapor recovery. It's still there and connected to the tank.
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