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Engine Swap: Cummins R2.8

ntsqd

heratic car camper
Joined
Jan 30, 2005
Messages
3,420
Loc.
Upper SoKA
Back in the 90's Gene Berg (long time air-cooler heads will know who he is) published the results of his testing aftermarket gauges and concluded that they were all junk. None exhibited accuracy or repeatability worth owning. He found industrial switches that did and promoted the use of warning lights instead. I think that I still have the newsletter if anyone is interested in the article.

A friend wires his race vehicles so that those lights come on with the ignition and go out if there's a problem. They missed a problem once due to a wire that was cut in a hidden spot. That's not too street friendly......
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
35,241
The ISSPRO gauges (EV2 and maybe a different line) have programable warning lights. And an add on module can be added and programmed to turn an auxiliary relay on and off. I have one for transmission temp (for a manual transmission) that will turn on a pump to circulate oil through a cooler if it starts running too hot.

The sensors are OEM, like what the computer needs to read coolant temp accurately.
They are also factory gauges, that is one of there lines. Custom panels for boats and stuff. Friends old semi had a dash full of factory ISSPRO gauges and I recall they all worked even through the truck had been retired.
 

Yeller

Contributor
Bronco Guru
Joined
Mar 27, 2012
Messages
6,524
Loc.
Rogers County Oklahoma
Back in the 90's Gene Berg (long time air-cooler heads will know who he is) published the results of his testing aftermarket gauges and concluded that they were all junk. None exhibited accuracy or repeatability worth owning. He found industrial switches that did and promoted the use of warning lights instead. I think that I still have the newsletter if anyone is interested in the article..

I'd be interested in the article. I'm all the time wiring stuff and cringe when someone wants a cock pit full of gauges, they are a PITA to do and as stated the reliability/consistency is crap.
 
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Digger556

Digger556

Sr. Member
Joined
Aug 8, 2013
Messages
793
Back in the 90's Gene Berg (long time air-cooler heads will know who he is) published the results of his testing aftermarket gauges and concluded that they were all junk. None exhibited accuracy or repeatability worth owning. He found industrial switches that did and promoted the use of warning lights instead. I think that I still have the newsletter if anyone is interested in the article.

A friend wires his race vehicles so that those lights come on with the ignition and go out if there's a problem. They missed a problem once due to a wire that was cut in a hidden spot. That's not too street friendly......

I'd be interested as well.
 

ntsqd

heratic car camper
Joined
Jan 30, 2005
Messages
3,420
Loc.
Upper SoKA
OK, I'll dig into the air cooled archives and have a look. I saved as much of the Berg stuff as possible because it was well researched, tested, and thought out. When someone with an exceptional reputation will guarantee an engine they built to last 50k+ miles while producing 3X the power that the OEM designed it to do it's worth looking to see what they're doing. May be next week before I have anything, heading to WH's event this weekend.

EDIT: Got to thinking it might be online, and I found this:
http://www.geneberg.com/article.php?ArticleID=239
Not quite as in-depth as I remember it, so I'll still have a look at what I've got. Gene Berg was an interesting guy. And just a bit opinionated, but he could back it up.
 

clarrance

Bronco Guru
Joined
Mar 3, 2005
Messages
2,674
2.8 Cummings mated to AX-15 in a bronco chassis. Notice the bell housing with no adapters??
 

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ntsqd

heratic car camper
Joined
Jan 30, 2005
Messages
3,420
Loc.
Upper SoKA
This is apparently all that there is. I looked thru all of my ACVW stuff and found nothing more.
...
EDIT: Got to thinking it might be online, and I found this:
http://www.geneberg.com/article.php?ArticleID=239
Not quite as in-depth as I remember it, so I'll still have a look at what I've got. Gene Berg was an interesting guy. And just a bit opinionated, but he could back it up.
 
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Digger556

Digger556

Sr. Member
Joined
Aug 8, 2013
Messages
793
Making a little more progress.

I had a flex plate laser cut for the starter gear. I measured some runout due to heat warpage. I used a dial indicator and a crescent wrench to straighten it out.
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With the gear fitted up and restraighten, I covered the lathe and tack welded the gear in place, then pulled it and fully welded it.
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Test fitted
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Digger556

Digger556

Sr. Member
Joined
Aug 8, 2013
Messages
793
On to the 2nd crank adapter.



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Test fitting with the mating part to ensure exact fitment and verify pilot dimensions.
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Afterwards, I tested combined runout. It wasn't too bad, .0001" - .0004" depending on which surface was measured.



Before drilling holes, I needed to line up the spindle to the rotary table
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And check runout on the rotary table
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Digger556

Digger556

Sr. Member
Joined
Aug 8, 2013
Messages
793
Center drilling the crank holes before drilling. The Ford crank pattern has one hole offset, so I needed to make sure they were all in the right locations
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Looks good
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Finished up
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And one final fitup.
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I'm pretty excited to see this finally come together. Even with the tolerance stack up of 5 different interfaces, the flywheel to bellhousing mount face was within .003" of the CAD model.
 
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Digger556

Digger556

Sr. Member
Joined
Aug 8, 2013
Messages
793
Did you get a 0-balance flywheel off a 300?

Yes, depending on how you look at it. It's an aftermarket neutral balanced flywheel for a 351W, but that's the same as a 300 I6.

I spent a bit more $$ on good aftermarket unit. I didn't like what I was finding, quality-wise, from the parts store when I went shopping for a 300 flywheel.
 

stryder94

Jr. Member
Joined
Apr 12, 2009
Messages
56
Any updates, I was curious to see if you wire the cummins to the factory gauges. I will be starting a build with that engine soon.
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
35,241
Wiring to the factory gauges is a very easy thing. There are only 2 engine gauges, oil just takes an oil port and maybe an adaptor. Coolant temp might be a little harder just because of the thread size.
 
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