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Search: Posts Made By: Walt Fricke
Forum: 911 Engine Rebuilding Forum 01-15-2025, 01:01 PM
Replies: 9
Views: 813
Posted By Walt Fricke
I ran a modified 2.7 with a big cam and carbs to...

I ran a modified 2.7 with a big cam and carbs to 8,000 routinely. Eventually the stock springs gave out - most of the inners (or outers, I forget) broke while on track and engine wouldn't pull...
Forum: Porsche 911 Technical Forum 05-29-2024, 04:14 PM
Replies: 158
Views: 38,409
Posted By Walt Fricke
Here is someone's attempt at a progressive...

Here is someone's attempt at a progressive lockout?http://forums.pelicanparts.com/uploads26/stock_shifterDSC014781717023215.jpgg[/img]


Dennis Page, a retired high school friend who was helping...
Forum: Porsche 911 Technical Forum 05-29-2024, 03:50 PM
Replies: 158
Views: 38,409
Posted By Walt Fricke
Well, Sherwood developed his kit because Robotek...

Well, Sherwood developed his kit because Robotek (which used basically the same design, less the tabs, for more money) refused a request for a Rennlist (or predecessor) group purchase rate. His kit...
Forum: Porsche 911 Technical Forum 02-28-2024, 03:22 PM
Replies: 17
Views: 10,166
Posted By Walt Fricke
This is interesting, since the tach, unlike the...

This is interesting, since the tach, unlike the drive train components, isn't something you think of as warming up due to running for a while.

Your tach gets its signal from the ECU (which fires...
Forum: 911 Engine Rebuilding Forum 02-28-2024, 02:52 PM
Replies: 181
Views: 21,852
Posted By Walt Fricke
Neat microwave trick - happy spouse. Did you use...

Neat microwave trick - happy spouse. Did you use an IR gun to read the temperature of the parts?
Conventional wisdom has been, for the kitchen, not to put anything metal in there. Obviously you...
Forum: 911 Engine Rebuilding Forum 09-12-2023, 08:11 PM
Replies: 122
Views: 77,004
Posted By Walt Fricke
Joe - I didn't invent this. I think I saw it on...

Joe - I didn't invent this. I think I saw it on a VW or a description of one for the old 4 banger. I must have put in a disk or a washer with a small enough hole for it to work.
Forum: 911 Engine Rebuilding Forum 09-08-2023, 06:04 PM
Replies: 122
Views: 77,004
Posted By Walt Fricke
Oh - in the absence of better advice, I'd pull...

Oh - in the absence of better advice, I'd pull the offending plug and put in a new one so it doesn't protrude. Often these plugs are replaced with a screw in plug so the oil galleries are more...
Forum: 911 Engine Rebuilding Forum 09-08-2023, 05:36 PM
Replies: 122
Views: 77,004
Posted By Walt Fricke
I'm curious also. You'd think this would...

I'm curious also.

You'd think this would have produced funny oil pressure numbers from when the car left the factory, which was now a long time ago.

Though if the engine has been rebuilt,...
Forum: Porsche 911 Technical Forum 06-26-2023, 02:11 PM
Replies: 38
Views: 2,560
Posted By Walt Fricke
Shorter sidewalls typically are stiffer, so the...

Shorter sidewalls typically are stiffer, so the ride is tauter in the corners, but harsher (relative to taller tires) over bumps. The eternal tradeoff of ride vs handling.
Forum: 911 Engine Rebuilding Forum 06-25-2023, 05:24 PM
Replies: 3
Views: 37,778
Posted By Walt Fricke
Ken - it would be better to ask questions as a...

Ken - it would be better to ask questions as a new post, or as an add on to an existing post on the same subject (like 964 cam timing, say, or just cam timing) which you found using the search...
Forum: 911 Engine Rebuilding Forum 06-15-2023, 03:45 PM
Replies: 175
Views: 32,765
Posted By Walt Fricke
i broke valve springs. They were stock, and...

i broke valve springs. They were stock, and worked (didn't float valves) up to 8,000 rpm, which was my ill-chosen upshift point. Ill chosen because, when calculating optimum upshifts compared to my...
Forum: 911 Engine Rebuilding Forum 06-14-2023, 03:58 PM
Replies: 175
Views: 32,765
Posted By Walt Fricke
I didn't understand that either. From what I...

I didn't understand that either. From what I read, springs (and torsion bars) don't lose rate (the amount they deflect/twist for a given force) because it is sort of baked into the spring: Young's...
Forum: 911 Engine Rebuilding Forum 06-07-2023, 11:01 PM
Replies: 11
Views: 1,622
Posted By Walt Fricke
The desire for more HP for street driving has...

The desire for more HP for street driving has always mystified me. I know it exists, because it is so often discussed. And like most of us, I am a product of my experiences. I moved from 1200 and...
Forum: 911 Engine Rebuilding Forum 06-07-2023, 10:38 PM
Replies: 6
Views: 841
Posted By Walt Fricke
I'm with Pete, at least for a race/track only...

I'm with Pete, at least for a race/track only engine. I never could figure out how much, if any, oil could travel up the exhaust valve stem against the pressure pushing outward (back to the cam...
Forum: Porsche 911 Technical Forum 06-04-2023, 10:58 PM
Replies: 9
Views: 593
Posted By Walt Fricke
Rule of fingernail - if the shiny places in the...

Rule of fingernail - if the shiny places in the grooves can't be felt with a fingernail, they aren't really worn, just polished. Otherwise, flip them as Reclino suggests. The wear is too far...
Forum: Porsche 911 Technical Forum 05-24-2023, 12:29 PM
Replies: 10
Views: 523
Posted By Walt Fricke
And, after you heard the clank, did you find that...

And, after you heard the clank, did you find that your clutch would no longer work?
Forum: 911 Engine Rebuilding Forum 05-21-2023, 06:10 PM
Replies: 43
Views: 4,869
Posted By Walt Fricke
Henry I never understood why Porshe, when it...

Henry
I never understood why Porshe, when it went to MFI, used the same intake manifold configuration it used for the Webers which preceeded MFI. They had to bend the two end manifolds in to fit...
Forum: 911 Engine Rebuilding Forum 05-21-2023, 05:42 PM
Replies: 13
Views: 1,134
Posted By Walt Fricke
Hayden at WEVO is the source of the "use -4, not...

Hayden at WEVO is the source of the "use -4, not -3" or the like advice. I think I read that in a WEVO manual or catalog back when.
Forum: Porsche 911 Technical Forum 05-21-2023, 05:27 PM
Replies: 27
Views: 2,483
Posted By Walt Fricke
You know, you could also shim the bimetal piece...

You know, you could also shim the bimetal piece down inside the WUR. The WUR isn't hard to open (and once you have removed it from the engine to use a vice or whatnot, you've done the part taking...
Forum: 911 Engine Rebuilding Forum 05-19-2023, 10:02 PM
Replies: 3
Views: 394
Posted By Walt Fricke
In general, yes. The later boxes have an...

In general, yes. The later boxes have an additional stud to hold them to the case. I think guys add that additional stud. Or you could ignore it. There are some variations in the number and size...
Forum: Porsche 911 Technical Forum 05-18-2023, 07:52 PM
Replies: 33
Views: 5,585
Posted By Walt Fricke
#8 bearing sealing

http://forums.pelicanparts.com/uploads26/case_seal_marked1684464442.jpg

I just looked over the fine pictures from a month or so ago, and I've got a question about the sealant on the nose bearing...
Forum: 911 Engine Rebuilding Forum 05-18-2023, 07:39 PM
Replies: 13
Views: 1,134
Posted By Walt Fricke
These (the Tiltons anyway) are a push clutch. ...

These (the Tiltons anyway) are a push clutch. That makes using a hydraulic TOB system desirable. However, you can also use a clutch cable. Obtain an early 912 external release arm. Mount it so it...
Forum: Porsche 911 Technical Forum 05-17-2023, 09:26 PM
Replies: 21
Views: 1,377
Posted By Walt Fricke
Agree on factory short shifter (or others not...

Agree on factory short shifter (or others not any shorter) - moderation is the key for short shifters. However, spring loading in the 3/4 plane is the greatest improvement after replacing the oval...
Forum: Porsche 911 Technical Forum 05-17-2023, 05:39 PM
Replies: 17
Views: 1,349
Posted By Walt Fricke
The key to diagnosing the problem here (short of...

The key to diagnosing the problem here (short of pulling the nose cone to look) is the fact that the sound didn't happen in 5th (and, had it been tested, in reverse). In those gears the what - the...
Forum: Porsche 911 Technical Forum 04-25-2023, 11:29 AM
Replies: 13
Views: 642
Posted By Walt Fricke
With the ignition in run, you should show 12V at...

With the ignition in run, you should show 12V at the connector on the green/white wire.

The oil level gauge gets its ground through the level sensor.

If turning on the running/headlights lights...
Showing results 1 to 25 of 500

 
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