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Showing results 1 to 25 of 51
Search took 0.01 seconds. Search: Posts Made By: thomastee
Forum: Porsche 911 Technical Forum 05-30-2018, 12:34 AM
Replies: 101
Views: 27,050
Posted By thomastee
Interesting, I'll take a look at the distributor....

Interesting, I'll take a look at the distributor. I've opened it up in the past to add shims / clean it up but not sure I've looked into the wires, thank you!
Forum: Porsche 911 Technical Forum 05-29-2018, 12:28 AM
Replies: 101
Views: 27,050
Posted By thomastee
Hi Lewis, I'm afraid that the bucking / misfire...

Hi Lewis,
I'm afraid that the bucking / misfire is still there. I have just gotten back into trying to solve this after a very long time without the time / means to think about the car. I am...
Forum: Porsche 911 Technical Forum 05-01-2016, 11:27 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi there, I'm afraid I haven't solved the...

Hi there,
I'm afraid I haven't solved the problem, though I stopped trying for a little while as the solution seemed to come down to spending money which I didn't have.
I think there were vacuum...
Forum: Porsche 911 Technical Forum 10-14-2015, 12:08 PM
Replies: 101
Views: 27,050
Posted By thomastee
I hear you Tony, sorry about lack of comms. Have...

I hear you Tony, sorry about lack of comms. Have PMed you my email.
Thomas
Forum: Porsche 911 Technical Forum 10-13-2015, 02:22 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi there, The problem has still not gone away...

Hi there,
The problem has still not gone away I'm afraid.
As Tony says, the air box was removed, sealed and tested for leaks by applying pressure while under water. I then did a smoke test after...
Forum: Porsche 911 Technical Forum 08-10-2014, 12:06 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi stormcrow, one probably silly question on your...

Hi stormcrow, one probably silly question on your fuel accumulator test - since the accumulator is upright in my engine and has fuel in it, isn't this test equivalent to just checking for fuel leaks...
Forum: Porsche 911 Technical Forum 08-10-2014, 10:33 AM
Replies: 39
Views: 6,342
Posted By thomastee
As someone with the same problem of mid range...

As someone with the same problem of mid range bucking on a 74, I'd be fascinated if it turns out that the low operating temp contributes to the bucking. Like you, I've chased this problem for a while...
Forum: Porsche 911 Technical Forum 07-09-2014, 04:44 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi Ross, I'm afraid JB quick weld is what I...

Hi Ross,
I'm afraid JB quick weld is what I used. I agree it doesn't feel like a forever solution but seems ok for the time being. I don't have a better suggestion at the moment so I'd be keen to...
Forum: Porsche 911 Technical Forum 07-07-2014, 05:42 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi Tony, hope you're well. I completely agree,...

Hi Tony, hope you're well. I completely agree, the WUR may be the problem, but it's not definitely the problem which is what the mechanic suggested. If it holds CP at the right levels (which it does)...
Forum: Porsche 911 Technical Forum 07-07-2014, 07:17 AM
Replies: 101
Views: 27,050
Posted By thomastee
I'm afraid not Ross. They were very frustrating,...

I'm afraid not Ross. They were very frustrating, claimed the problem was that I have a modified WUR and they weren't happy to work on the car more unless I put an unmodified one in. My WUR is new but...
Forum: Porsche 911 Technical Forum 05-23-2014, 08:20 AM
Replies: 101
Views: 27,050
Posted By thomastee
Hi Tim, I'm using the 6A. The plug gap is...

Hi Tim,
I'm using the 6A.
The plug gap is larger than that, 0.039, so will try reducing as you suggest, though I think I've tried that in the distant past and the car wouldn't start. Maybe I've...
Forum: Porsche 911 Technical Forum 05-22-2014, 10:17 AM
Replies: 101
Views: 27,050
Posted By thomastee
Thank you, I'll definitely check the dizzy cap. I...

Thank you, I'll definitely check the dizzy cap. I guess a replacement as a precaution is not a bad idea.
Forum: Porsche 911 Technical Forum 05-21-2014, 05:03 PM
Replies: 101
Views: 27,050
Posted By thomastee
To recap, things I've checked/replaced are as...

To recap, things I've checked/replaced are as below. If anyone thinks I've missed something please shout.

Fuel system control pressures check
Pump pressure and volume check
Injector flow rate...
Forum: Porsche 911 Technical Forum 05-21-2014, 04:52 PM
Replies: 101
Views: 27,050
Posted By thomastee
Hi Ross, I'm very sad to say that all my...

Hi Ross,
I'm very sad to say that all my efforts to find and fix the vacuum leaks did not cure the bucking.
I then explored the health of the ignition system, replacing leads and plugs thinking it...
Forum: Porsche 911 Technical Forum 02-15-2014, 04:09 PM
Replies: 101
Views: 27,050
Posted By thomastee
Response

Response to Tony and GaryR.

Sorry I didn't conclude the thread. Although better, I'm afraid the car is still bucking between 2 and 2.5k RPM. I'm pretty sure I have no vacuum leaks as I did a...
Forum: Porsche 911 Technical Forum 03-30-2013, 11:01 AM
Replies: 101
Views: 27,050
Posted By thomastee
Thanks Tony! Yes, the POV kept popping open so...

Thanks Tony!
Yes, the POV kept popping open so I ended up putting a bung in that too, which showed up that there were indeed leaks along the glued section.
I'm getting no leaks there since the jb...
Forum: Porsche 911 Technical Forum 03-30-2013, 10:42 AM
Replies: 101
Views: 27,050
Posted By thomastee
Another update: The water immersion test is...

Another update:
The water immersion test is working a dream and has revealed that my pop-off valve was a source of leaks, as well as several micro cracks along the seam.
See pictures below of the...
Forum: Porsche 911 Technical Forum 03-25-2013, 05:28 PM
Replies: 101
Views: 27,050
Posted By thomastee
Honestly Tony, it took me an hour and forty five...

Honestly Tony, it took me an hour and forty five to remove the system from the car based on instructions from another post on this forum, and then a few minutes to strip the parts down. I've no space...
Forum: Porsche 911 Technical Forum 03-24-2013, 05:01 PM
Replies: 101
Views: 27,050
Posted By thomastee
Update: I've just pulled out the whole CIS with...

Update: I've just pulled out the whole CIS with engine still inside the car and no partial drop. Have to say it wasn't as hard as people said it might be, but maybe that's just my uncluttered 74...
Forum: Porsche 911 Technical Forum 03-13-2013, 06:31 PM
Replies: 101
Views: 27,050
Posted By thomastee
Just as an update, despite the wisdom of the...

Just as an update, despite the wisdom of the vacuum cleaner and bubbles method, my car is still bucking - aaaargh! I desperately want to pull the whole CIS from out of the car and do the search for...
Forum: Porsche 911 Technical Forum 11-25-2012, 03:43 PM
Replies: 101
Views: 27,050
Posted By thomastee
Yes, makes good sense Tony, I'll put in a...

Yes, makes good sense Tony, I'll put in a temporary seal with a similar material. And if that cures the bucking I'll know it's worth fixing properly in the future.
Forum: Porsche 911 Technical Forum 11-25-2012, 11:39 AM
Replies: 101
Views: 27,050
Posted By thomastee
An update - the bucking is still there as I still...

An update - the bucking is still there as I still have leaks at the injector seals. I did a bit more research though and this makes sense as I never replaced the injector sleeve seals, just the outer...
Forum: Porsche 911 Technical Forum 11-19-2012, 12:34 PM
Replies: 101
Views: 27,050
Posted By thomastee
Thanks guys, have re-sealed everything and am...

Thanks guys, have re-sealed everything and am ready for another test tomorrow. I can't wait - the prospect of driving the car without the bucking is awesome!
Tony, no convincing was needed - I did...
Forum: Porsche 911 Technical Forum 11-18-2012, 03:43 PM
Replies: 101
Views: 27,050
Posted By thomastee
Finding CIS vacuum leaks - the vacuum cleaner pressure test

Hi all,
I wanted to share how I finally found several vacuum leaks in my 74 engined car, after spraying carb cleaner/ propane/ wd40 didn't detect anything. Tony (boyt911sc) on this forum suggested a...
Forum: Porsche 911 Technical Forum 11-11-2012, 12:11 PM
Replies: 49
Views: 6,646
Posted By thomastee
To offer a delayed conclusion to this thread, it...

To offer a delayed conclusion to this thread, it turns out that the reason for my zero pressure readings was actually my pressure gauge, which had an internal valve of some sort at the T connector. I...
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