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> This ain't...., rocket science.
J P Stein
post Dec 16 2007, 08:03 PM
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Got the engine rebuild done today & I thought we'd go over a few things.
The main thing is expense. Including a set of NOS Mahle 10.4 :1PCs, the total cost was under 4K.....the PCS were 2800. My original cylinders (Nikasil) were scored but could have been replated for 900 bucks. The 9.5:1 pistons were fine as frog hair.

On to the pics:


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J P Stein
post Dec 16 2007, 08:06 PM
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But wait, there's more......


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J P Stein
post Dec 16 2007, 08:10 PM
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OK,OK, I'm about done.


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Rand
post Dec 16 2007, 08:16 PM
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Mmm, I love wide hips when everything else is lean....

(IMG:http://www.914world.com/bbs2/uploads/post-45-1197857356_thumb.jpg)

Nice work JP. Looking forward to hearing that thing run.
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DanT
post Dec 16 2007, 08:34 PM
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Nice JP....looks like that should be a nice piece of propulsion

where have you been? (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/smile.gif)
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McMark
post Dec 16 2007, 08:47 PM
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MMmmmm, beautiful. I love looking at motors. (IMG:style_emoticons/default/drooley.gif)
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J P Stein
post Dec 16 2007, 09:42 PM
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QUOTE(Dan (Almaden Valley) @ Dec 16 2007, 06:34 PM) *

where have you been? (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/smile.gif)


Lurk mode mostly. I've burnt out on certain aspects of the 914 internet experience. (IMG:style_emoticons/default/huh.gif)
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drew365
post Dec 16 2007, 10:02 PM
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Very impressive. You get a lot done in a day.
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DanT
post Dec 16 2007, 10:10 PM
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QUOTE(J P Stein @ Dec 16 2007, 07:42 PM) *

QUOTE(Dan (Almaden Valley) @ Dec 16 2007, 06:34 PM) *

where have you been? (IMG:style_emoticons/default/confused24.gif) (IMG:style_emoticons/default/smile.gif)


Lurk mode mostly. I've burnt out on certain aspects of the 914 internet experience. (IMG:style_emoticons/default/huh.gif)


sorry to hear that JP....I always enjoy your pithy replies...don't be a stranger. I know you have a pretty think hide. (IMG:style_emoticons/default/bye1.gif)
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J P Stein
post Dec 16 2007, 10:34 PM
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QUOTE(drew365 @ Dec 16 2007, 08:02 PM) *

Very impressive. You get a lot done in a day.


The pics represent about 5 weekends. The date on the camera is all hosed up & I've given up resetting it. I wasted a weekend by leaving out some parts in the case.....nothing important, just half of the lay shaft bearings..... and had to crack it open again. (IMG:style_emoticons/default/headbang.gif)
Other than that progress was steady but not speedy.

Now I need to get going on the engine room redo including some reinforcement of the inner ears. I am surprised they have held up with no cracks but don't wanna push my luck. The Mueller rear needle bearings will get a close look having been in there untouched for 3 or so years.
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DNHunt
post Dec 17 2007, 08:14 AM
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Great work JP. That really is pretty. I'm looking forward to watching it run.

Dave
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VaccaRabite
post Dec 17 2007, 09:04 AM
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NICE.

It always looks so easy in the pictures....

Zach
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ConeDodger
post Dec 17 2007, 09:21 AM
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QUOTE(J P Stein @ Dec 16 2007, 08:34 PM) *

QUOTE(drew365 @ Dec 16 2007, 08:02 PM) *

Very impressive. You get a lot done in a day.


The pics represent about 5 weekends. The date on the camera is all hosed up & I've given up resetting it. I wasted a weekend by leaving out some parts in the case.....nothing important, just half of the lay shaft bearings..... and had to crack it open again. (IMG:style_emoticons/default/headbang.gif)
Other than that progress was steady but not speedy.

Now I need to get going on the engine room redo including some reinforcement of the inner ears. I am surprised they have held up with no cracks but don't wanna push my luck. The Mueller rear needle bearings will get a close look having been in there untouched for 3 or so years.


Ha! I did that. Put the case halves together, looked down in the tray and said "why do I still have cam bearings sitting there?" LOL!!!
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Chris Pincetich
post Dec 17 2007, 10:25 AM
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JP - you da man! That is a thing of beauty. I really hope you can make it down to CA, or me to OR, for a AX race in 2008! I'll be in Portland all next week with family.....VERY INTERESTED in the service life of the needle bearings, please report back. Zerks seem like overkill but might be a good idea if you see rain or wet surfaces that could affect the grease.

Keep up the good work (IMG:style_emoticons/default/beerchug.gif)

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thesey914
post Dec 17 2007, 12:55 PM
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Great to see you post again JP and great to see your pics of the six. Why did it need rebuilding to start with -didn't fancy putting a 4 back in then? (IMG:style_emoticons/default/wink.gif)
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Porsche Rescue
post Dec 17 2007, 05:59 PM
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Yeh, I missed that chapter too. What told you it needed a rebuild? And will you need race fuel with the CR generated by those pistons?
All that silver and red sure looks pretty. That alone ought to be worth a second or two! Nice.
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J P Stein
post Dec 17 2007, 07:40 PM
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QUOTE(Porsche Rescue @ Dec 17 2007, 03:59 PM) *

Yeh, I missed that chapter too. What told you it needed a rebuild? And will you need race fuel with the CR generated by those pistons?
All that silver and red sure looks pretty. That alone ought to be worth a second or two! Nice.


It had been down on power for 18 months or so, then it started missing at an AX. The missing was ignition related, but a leak down test said......whooosh....or wurds to that effect.(IMG:style_emoticons/default/sad.gif)

Tearing it apart showed scored cylinder walls due to too little ring end gap....the guy what built it screwed the pooch. Since I was there......the bottom end looked real good as did everything but the cyls. There's a long sad story about the price of .25 under bearings ( (IMG:style_emoticons/default/icon8.gif) ) these days that I won't go into. Fortunately I had a std/std crank under the bench...off for a Mag & polish.....std/std brgs are cheep.
Anyone need a perfect .25mm under 2.7L crank?

BTW, nuthin' fancy about a 4 pooper....IMO.
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J P Stein
post Dec 17 2007, 07:48 PM
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QUOTE(ChrisNPDrider @ Dec 17 2007, 08:25 AM) *

I'll be in Portland all next week with family.....VERY INTERESTED in the service life of the needle bearings, please report back. Zerks seem like overkill but might be a good idea if you see rain or wet surfaces that could affect the grease.

Keep up the good work (IMG:style_emoticons/default/beerchug.gif)


Yeah, me too. I have the arms off but haven't yet cleaned the bearings & whatnot to get a looksee. No rust..... lots of grease is about all I can see.

You're welcome to stop by while you're in Portland....after the 27th.
PM for a PH# if you're interested.
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brp986s
post Dec 17 2007, 09:21 PM
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Are those 993 dilivar studs top and bottom? Sunset wanted >$30/ea so I only used them for bottom row.

Do you know anything about ARP "austentic" studs? I wonder if these are the ones Performance Products sells as "domestic" dilivar.
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Rick_Eberle
post Dec 17 2007, 10:47 PM
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Oh my god, is that a VW engine stand? Holding a SIX?????
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