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Got a set of slightly used ARP rod bolts. Have not had the courage to take the rods out and swap these. Am concerned I risk needing the big ends of the rods reworked after putting these in.



Old 01-28-2017, 08:10 PM
  Pelican Parts Technical Article Directory    Reply With Quote #141 (permalink)
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Cleaned up the lower valve covers. Scrubbed for a while in the solvent tank. And they looked like this.

Old 01-28-2017, 08:13 PM
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20 minutes in the glass bead cabinet and they look like this.

Old 01-28-2017, 08:17 PM
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I got #1 connecting rod off the crank. Bearing looks perfect, no scratches. If they all look like this I will be stoked. Any suggestions on proper install of the ARP bolts. I plan to clean the rods, measure the bore torqued with the OEM bolts, install ARP torque a few times and measure again. Someone give me some advice on how best to clean the big end? Would green 600 grit Scotchbrite by hand in solvent tank be to aggressive?



Last edited by reclino; 01-29-2017 at 10:26 AM..
Old 01-29-2017, 10:24 AM
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I guess I need to buy, make, or borrow a stretch gauge. Is there enough room to use a stretch gauge with the crank installed in the case?
Old 01-29-2017, 10:29 AM
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If you mean the I beam part of the rods that is not visible in your pics and gets oil stained a brown color after time I would bead blast them clean to make them look nice if you have a bead blaster or access to one.

If you really want to scrub on them with solvent for a while you'd get there quicker with red scotch brite pads that are usually courser than green, grey, or white ones.
You will not harm a forged steel connecting rod with a scotch brite pad.

At the same time why bother you can't see them once the motor is together anyway.
Old 01-29-2017, 11:07 AM
  Pelican Parts Technical Article Directory    Reply With Quote #146 (permalink)
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awesome updates / progress - kicking butt down there on that, good stuff

esp love the kitchen table workspace 8-)

that... does not fly... in the House of Paul (not really my house now tho, is it?) lol
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Old 01-29-2017, 11:24 AM
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I want to be sure the big end under the bearing shell is clean of all oil residue before measuring. The outside of the rod I don't really care about.
Old 01-29-2017, 11:37 AM
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SC cams are on their way to Dougherty Racing Cams for scavenge pump drive and regrind. 😬
Old 02-02-2017, 03:53 PM
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The engine mount bar got a little reinforcement.








That should do the trick, no need to resort to RSR type bar with holes.
Old 02-03-2017, 07:11 PM
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Warning, non Porsche picture I borrowed off the internet. Allow me to go slightly off topic back to 1988 or 1989, I was about 16, new drivers license and loved performance cars. Had the opportunity to drive a Ferrari Testarossa, very carefully......


Interesting looking steering wheel. I though the wheel I bought on the for sale forum looked very familiar.
Old 02-03-2017, 08:04 PM
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While the engine is open waiting on heads, cams, ECT I thought I would play around with a rapid prototype machine I have access to. This is printed in nylon. Need to do 5 more. Perfect fit, snaps right into place.
Old 02-14-2017, 02:48 PM
  Pelican Parts Technical Article Directory    Reply With Quote #152 (permalink)
 
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So I paid a visit to Carolina Coach Crafters yesterday and met with Tim Lingerfelt. He has quite the shop and seems to know his way around the Porsche 930. His engine guy graduated from the 1968 Porsche factory apprentice program and went to work for Porsche Motorsports. Twice retired and now just "consulting", Martin Steger said he would be happy to personally rebuild my cylinder heads. I think he commented he could do it in his sleep! I said I was in no rush so I am going to concentrate on cleaning up the other parts and working on the rocker arm fixture.
Old 02-18-2017, 10:32 AM
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Beautiful North Carolina day today. Perfect weather to scrub for hours at the solvent tank. Got the cam carriers cleaned up and removed all the studs for the valve covers. Need to lightly surface the gasket faces.
Old 02-19-2017, 02:45 PM
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Quote:
Originally Posted by reclino View Post
20 minutes in the glass bead cabinet and they look like this.

Those look great!! Keep at it!
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Old 02-19-2017, 06:28 PM
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Great progress!!
Old 02-20-2017, 08:50 AM
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Worked on the "mailbox" air filter housing. It had some surface rust and pin holes from sitting for 9 years. Bead blasted the outside top surface and spot blasted any other rust. Then I welded up the pin holes. Yikes that steel is thin. My welding may be getting better.

Old 02-22-2017, 02:59 PM
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Got the first coat of VHT satin black brake caliper paint on it and then checked the fit in my out door smoker oven. Not going to fit, need to find a bigger oven. 🙁
Old 02-22-2017, 03:02 PM
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No brake calipers were harmed making this image.😀



Found an oven, now waiting on the second coat to dry.


Old 02-25-2017, 10:09 AM
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Quote:
Originally Posted by reclino View Post
I want to be sure the big end under the bearing shell is clean of all oil residue before measuring. The outside of the rod I don't really care about.
Solvent and a rag or wipe.
No scotchbrite or abrasives necessary or recommended.
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Old 02-27-2017, 10:49 AM
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