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Search: Posts Made By: jgparker
Forum: Porsche Autocross and Track Racing 07-02-2017, 05:54 AM
Replies: 101
Views: 11,834
Posted By jgparker
http://forums.pelicanparts.com/uploads26/IMG_63951...

http://forums.pelicanparts.com/uploads26/IMG_63951499003588.jpg
Forum: Porsche 911 Technical Forum 06-07-2015, 08:39 AM
Replies: 1
Views: 521
Posted By jgparker
Can Boxster Brakes fit under 15" Fuchs?

Hi All,

I could never find definitive info on whether Boxster brakes fit under 15" Fuchs, so I finally tried it myself, and I'm answering my own question so it's on the record. If this subject...
Forum: 911 Engine Rebuilding Forum 08-19-2011, 02:01 PM
Replies: 7
Views: 1,764
Posted By jgparker
It a well used, plain-Jane 2.4 E motor. I was...

It a well used, plain-Jane 2.4 E motor. I was planning to make it a mild 2.5 race motor.
Forum: 911 Engine Rebuilding Forum 08-19-2011, 11:49 AM
Replies: 7
Views: 1,764
Posted By jgparker
Is valve guide boss repair on head possible?

Is this head repairable or is it junk? It was this way when I bought it, and discovered this during a tear down.

http://forums.pelicanparts.com/uploads19/IMG_00121313783241.jpg


Thanks,
...
Forum: 911 Engine Rebuilding Forum 04-06-2011, 02:44 PM
Replies: 4
Views: 1,444
Posted By jgparker
I have the same question. I checked with ARP's...

I have the same question. I checked with ARP's tech support and they verified that they are non-stretch bolts and can be reused unlike the OEM flywheel bolts. 200,000 PSI and appear to be less...
Forum: 911 Engine Rebuilding Forum 11-10-2010, 02:54 PM
Replies: 12
Views: 1,648
Posted By jgparker
Hi Bob, The smoke was caused by one of my...

Hi Bob,

The smoke was caused by one of my chain ramp studs falling out and oil was running out the hole in the back of of the chain housing onto my exhaust header. I've driven it 3 times over...
Forum: 911 Engine Rebuilding Forum 10-31-2010, 12:50 PM
Replies: 12
Views: 1,648
Posted By jgparker
Any advice on where to send the oil for analysis...

Any advice on where to send the oil for analysis to find out what the metal is?

Thanks,

JP
--
Forum: 911 Engine Rebuilding Forum 10-25-2010, 03:47 PM
Replies: 12
Views: 1,648
Posted By jgparker
Hi Steve, Grady, Thanks for the suggestions....

Hi Steve, Grady,

Thanks for the suggestions. The particles are non-ferrous, no question. That rules out a lot of things, but point to the plating on the bearings to me. I'm thinking rod...
Forum: 911 Engine Rebuilding Forum 10-24-2010, 06:20 AM
Replies: 12
Views: 1,648
Posted By jgparker
Partial Rebuild on Race Engine?

OK, I missed a shift at Sebring in September and dragged the engine well over 9k, but the only apparent damage was one of my valve adjuster jam nuts backed off. I ran the engine again last week, and...
Forum: 911 Engine Rebuilding Forum 01-09-2010, 05:57 AM
Replies: 11
Views: 2,719
Posted By jgparker
Thanks for all the feedback. ARP is it then. ...

Thanks for all the feedback. ARP is it then. They appear to be much less espensive than the Racware bolts anyway, and I'm trying to keep this refresh to a reasonable cost.

By Mild, I mean...
Forum: 911 Engine Rebuilding Forum 01-08-2010, 02:14 PM
Replies: 11
Views: 2,719
Posted By jgparker
ARP Vs. Raceware Rod Bolts

Anyone have an opinion on who makes a better rod bolt, ARP or Raceware? Specifically, this if for a 2.4/2.7 rod on a mild race engine. My last engine blew due to stock rod bolts, so I want the...
Forum: 911 Engine Rebuilding Forum 11-03-2009, 05:01 PM
Replies: 84
Views: 17,178
Posted By jgparker
I do want to clarify one thing, my cars all have...

I do want to clarify one thing, my cars all have pressure fed Carrera tensioners. For a street car, they are probably the most reliable solution. Racing is probably a different story.

JP
--
Forum: 911 Engine Rebuilding Forum 11-02-2009, 02:34 PM
Replies: 84
Views: 17,178
Posted By jgparker
I don't remember seeing a single set of pressure...

I don't remember seeing a single set of pressure fed chain tenstioners at Gunnar. Kevin is not a big fan of them. He told a long story about them destroying a bunch of race engines before the...
Forum: 911 Engine Rebuilding Forum 10-28-2009, 04:32 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hi Lindy, I did the Wayne Dempsey Rod bolt...

Hi Lindy,

I did the Wayne Dempsey Rod bolt torque procedure to the letter, so the rod bolt torques can't be too far off.

The interesting thing was Kevin Jeannette (935 and 962 engine king at...
Forum: 911 Engine Rebuilding Forum 10-26-2009, 04:04 PM
Replies: 84
Views: 17,178
Posted By jgparker
In my defense, I originally built this as a hot...

In my defense, I originally built this as a hot street motor which I planned to use for an occasional DE. Five years later it evolved into a full out track car going to every competitive track event...
Forum: 911 Engine Rebuilding Forum 10-25-2009, 04:31 PM
Replies: 84
Views: 17,178
Posted By jgparker
Advice from the experts

OK, I got lots of great info from Steve at Rennsport systems, and while I was at the race shops this weekend I got some more from Bruce Ellsworth at Klub Sport and Kevin Jeanette at Gunnar Racing. ...
Forum: 911 Engine Rebuilding Forum 10-23-2009, 03:11 PM
Replies: 84
Views: 17,178
Posted By jgparker
To add more fuel to the fire, I pulled the...

To add more fuel to the fire, I pulled the remaining rods, and found bearing #4 spun. That's right, the exact opposite end of the crank from the thrown rod #3. The bearing is a mess, but it in one...
Forum: 911 Engine Rebuilding Forum 10-22-2009, 02:25 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hi All, I'll post the details of what Steve...

Hi All,

I'll post the details of what Steve told me shortly, but I wanted to remove my rods and get some pics of the bearings first. Steve gave me lots of good info that I do want to share.
...
Forum: 911 Engine Rebuilding Forum 10-20-2009, 04:18 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hi Steve, I'll give you a call. So, I...

Hi Steve, I'll give you a call.

So, I noticed a lot of metal on the magnetic plug in the oil tank. Shouldn't the oil filter have prevented that? I guess I'll have to flush all my oil cooler...
Forum: 911 Engine Rebuilding Forum 10-19-2009, 03:44 PM
Replies: 84
Views: 17,178
Posted By jgparker
Bearing and journal pics

Here are a couple of pics showing the bearing conditions.

http://forums.pelicanparts.com/uploads15/IMG_84131255995607.jpg
http://forums.pelicanparts.com/uploads15/IMG_84101255995638.jpg...
Forum: 911 Engine Rebuilding Forum 10-19-2009, 03:32 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hi Steve, I'd show you the rod bearing...

Hi Steve,

I'd show you the rod bearing shell, but there really is nothing left to show. it must have been been ground to nothing in the last few moments of life. Is it normal for one bearing to...
Forum: 911 Engine Rebuilding Forum 10-18-2009, 04:56 PM
Replies: 84
Views: 17,178
Posted By jgparker
Dissection started

Hi All,

OK, I cracked the case today, and have some very interesting clues, but no smoking gun. I have about 80 pics, but I'll only post the most relevant ones. First, The shaft to the oil pump...
Forum: 911 Engine Rebuilding Forum 10-16-2009, 04:29 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hi all, The engine probably had about 50...

Hi all,

The engine probably had about 50 hours of track time.

Steve, You're right, I've always been engine breaking, but I'm also been giving it everything I can from the stock S brakes. One...
Forum: 911 Engine Rebuilding Forum 10-12-2009, 02:57 PM
Replies: 84
Views: 17,178
Posted By jgparker
Here is the final lap. May be some clues in the...

Here is the final lap. May be some clues in the audio. Power was a little low the last time past start/finish. Seemed to start going bad at turn 1, and was gone before the kink.

<object...
Forum: 911 Engine Rebuilding Forum 10-12-2009, 02:46 PM
Replies: 84
Views: 17,178
Posted By jgparker
Hey Kilodawg, I can always use an extra set of...

Hey Kilodawg, I can always use an extra set of hands. I'll let you know when I'm ready to start the tear down. Let's talk at the Panamera launch at POM on Wednesday.

Hi cgarr, fortunately no...
Showing results 1 to 25 of 427

 
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