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by RobFrost
Thu Apr 25, 2024 8:18 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

Oil pickup contains metal flakes - feels like magnesium.Image

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by RobFrost
Thu Apr 25, 2024 8:14 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

Ok what should have been obvious before has now dawned on me. The case can't be separated with the pistons on the crank because the pistons will not pass through the webs of the case. So these wrist pins will have to come out by hook or by crook. One option I have is to remove the circlip from the I...
by RobFrost
Thu Apr 25, 2024 7:43 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

Next little obstacle - I can see a piece of metal jammed alongside this piston. It's dropped into there while the engine the other way up.Image

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by RobFrost
Thu Apr 25, 2024 7:37 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

Tantalising...Image

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by RobFrost
Thu Apr 25, 2024 2:03 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Maddening Running Issue
Replies: 59
Views: 1893

Re: Maddening Running Issue

Nothing there overly concerns me. I'm more hands on than most, so this wouldn't be for everyone. But if it were me I'd chemically or electrically remove the rust then epoxy line the tank. It looks very thin, maybe less than a tenth of a millimetre thick on a tank wall probably 1.2mm thick. I'd be mo...
by RobFrost
Thu Apr 25, 2024 10:27 am
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

I with the LGBTQ+ community too but not if the music is crap :) I'm glad you both enjoyed the evening Sent from my 22011119UY using Tapatalk I'm with them too. Whenever society's perceived according to group membership, those groups inevitably have conflicting interests from time to time - be those...
by RobFrost
Wed Apr 24, 2024 11:16 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

I followed those with the 23 case nuts and as per Dempsey's advice I left a few on loose to prevent the case half, crankshaft and pistons falling on my gouty toe. I turned the engine loose side down and I set about the perimeter with the plastic hammer. Soon one end was separating. https://uploads.t...
by RobFrost
Wed Apr 24, 2024 10:58 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

These through bolt nuts were surprisingly loose. But all consistently torqued so I assume that's the right setting. As with the case nuts, I broke them free with the socket or spanner then spun them off with the baby impact driver. https://uploads.tapatalk-cdn.com/20240424/bcb87e0560c25fbb72124e72c3...
by RobFrost
Wed Apr 24, 2024 10:53 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

I did however find a couple of hours this evening to progress the engine. Off with the IMS cover. https://uploads.tapatalk-cdn.com/20240424/a738b8a7cb2af18389c27ae830c2d62b.jpg And I was beginning to suspect a different story for this engine. I had noticed previous that the cam covers had sealant ar...
by RobFrost
Wed Apr 24, 2024 10:46 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

No progress yesterday due to accompanying my 14 year old daughter to see the latest pop sensation live at XOYO in Birmingham. I'm still equally cool as I was when young. This dude looked like a lady, which was a song from my youth this band did not play. https://uploads.tapatalk-cdn.com/20240424/a2a...
by RobFrost
Wed Apr 24, 2024 4:04 am
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Engine issue
Replies: 11
Views: 314

Re: Engine issue

Hi James, Thank you for replying. I'll take a look again tomorrow but I don't think any connectors have come loose. It was all put together well during the restoration. I do occasionally get a popping sound from the exhaust once the car has warmed up. Giulio at Gary Cook's said this was the case wh...
by RobFrost
Tue Apr 23, 2024 9:21 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

Can you split a case without removing the pistons? Will the case move pass the stuck piston? Sent from my 22011119UY using Tapatalk Yes, but at this point you can pull the circlips out, knock the gudgeon pins through and pull them off. Possibly. The crank's at 90 degrees so some are alongside each ...
by RobFrost
Tue Apr 23, 2024 6:26 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

quite looking forward to seeing the condition inside My money's on damage within the cam drive system because those pistons have hit valves and the cam nut probably got tightened. Maybe some bent and broken teeth on the IMS drive? The crank rocks back and forwards a few degrees suggesting to me som...
by RobFrost
Tue Apr 23, 2024 6:13 pm
Forum: Pre 1974 - Porsche 911 (longhood)
Topic: Assessing an unknown engine
Replies: 85
Views: 2973

Re: Assessing an unknown engine

neilbardsley wrote:Can you split a case without removing the pistons? Will the case move pass the stuck piston?

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The piston isn't stuck. All barrels now off. Something within the case is stopping the crank from turning.

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by RobFrost
Mon Apr 22, 2024 9:37 pm
Forum: Porsche Restoration Threads
Topic: 1987 3.2 Carrera Backdate project - Sladeys hotrod
Replies: 2429
Views: 255340

Re: 1987 3.2 Carrera Backdate project - Sladeys hotrod

A quick way to prove if it is fuel related and not ignition is to spray some easy start into the air box, it should cough or splutter if the ignition system is good. I'm not so sure easy start is the way to go because I've a hunch it will spontaneously combust under compression, thereby not ruling ...