 Engine rebuild, The reassembly started ! |
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| McMark |
 May 2 2013, 06:02 PM
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#121
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914 Freak!  Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None  |
Thick.
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| Valy |
May 3 2013, 06:17 PM
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#122
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Senior Member Group: Members Posts: 1,677 Joined: 6-April 10 From: Sunnyvale, CA Member No.: 11,573 Region Association: Northern California |
Thanks.
Got my NLA shim few minutes ago so flywheel will get on tonight. |
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| helowrench |
May 3 2013, 07:54 PM
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#123
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Newbie Group: Members Posts: 8 Joined: 2-April 12 From: dfw Member No.: 14,331 Region Association: None |
QUOTE(bohalrantipol @ Aug 13 2012, 09:33 AM)  QUOTE(Thestigz06 @ Jul 24 2012, 01:50 PM) If you have not already, i would advise that you get those AA barrels heat treated. Theyre notorious for being very soft and im sure you dont want to tear down this baby prematurely! (IMG:style_emoticons/default/beerchug.gif) What precisely do you do to "heat treat" the barrels? I need to hear more about this. #1 what is the recommended hardness for new, non heat cycled cylinders? #2 I have never heard of doing this to AA cylinders, do we have any past history with doing this? #3 what is the substandard hardness readings being seen out there? Thanks Rob |
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| wndsrfr |
May 3 2013, 08:43 PM
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#124
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Senior Member Group: Members Posts: 1,449 Joined: 30-April 09 From: Rescue, Virginia Member No.: 10,318 Region Association: MidAtlantic Region 
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QUOTE(bohalrantipol @ Aug 13 2012, 09:33 AM) QUOTE(Thestigz06 @ Jul 24 2012, 01:50 PM) If you have not already, i would advise that you get those AA barrels heat treated. Theyre notorious for being very soft and im sure you dont want to tear down this baby prematurely! (IMG:style_emoticons/default/beerchug.gif) What precisely do you do to "heat treat" the barrels? On my last rebuild I picked up a set of used OEM 1.8 cylinders very inexpensively from a member here & had them bored to 96mm. That way they're good metal & all settled down from heat cycling in their original engine....... |
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| Valy |
May 9 2013, 07:58 PM
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#125
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Senior Member Group: Members Posts: 1,677 Joined: 6-April 10 From: Sunnyvale, CA Member No.: 11,573 Region Association: Northern California |
I have new pushrod tubes seals that are black and green.
The ones from my donor engine are almost new but brown. Any difference in quality between the old and new? Someone said that the one in the buy gaskets kit are junk and I should use viton ones. Are those the brown ones?  |
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| r_towle |
May 9 2013, 08:11 PM
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#126
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Custom Member Group: Members Posts: 24,705 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Green
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| Dave_Darling |
May 10 2013, 10:07 PM
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#127
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914 Idiot Group: Members Posts: 15,161 Joined: 9-January 03 From: Silicon Valley / Kailua-Kona Member No.: 121 Region Association: Northern California
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I remember most of the Viton o-rings that we used to get were brown. The green and red and black were silicone (different sizes I think?) and weren't as durable.
Things might be different now, though. That was from ten years ago or so. --DD |
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| porschetub |
Aug 4 2015, 04:52 AM
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#128
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Advanced Member Group: Members Posts: 4,816 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
QUOTE(Valy @ May 18 2012, 10:10 AM) Type 1 Oil Pump Installation I've been through the modifications I made to the Type 1 oil pump in a previous post. The Type 1 oil pump is a bit thicker than the original type 4 pump. Therefore, the M8 studs that hold it in the case are a bit too short. I almost replaced them but then I measured them and realized that I can just unscrew them a bit from the case and they will fit. The remaining length inside the case is sufficient to hold the pump (needs to be over 7 threads or 8.125mm since it's an aluminum case) I fitted the pump case with the thick gasket I made and sealant, then I installed the driving gear and the idle gear and finally the cover with more sealant. Good work,sorry to mention it but a steel type 1 pump cover is better,the alloy one you have will wear and cause a loss of pressure later on, buy a used one and resurface it on a sheet of glass and some wet and dry sandpaper works a treat,cheers. |
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