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Search: Posts Made By: jpnovak
Forum: Porsche 911 Technical Forum Yesterday, 11:53 AM
Replies: 21
Views: 410
Posted By jpnovak
Great find!

Great find!
Forum: Porsche 911 Technical Forum 02-21-2018, 05:29 AM
Replies: 9
Views: 288
Posted By jpnovak
epoxy primer to bare metal Upol Gravitex then...

epoxy primer to bare metal
Upol Gravitex
then topcoat with automotive grade primer and paint.
Forum: 911 Engine Rebuilding Forum 02-20-2018, 06:45 AM
Replies: 2
Views: 94
Posted By jpnovak
Measure your deck height and then decide.

Measure your deck height and then decide.
Forum: Porsche 911 Technical Forum 02-19-2018, 06:33 AM
Replies: 129
Views: 14,333
Posted By jpnovak
I use SPI epoxy on my build. Sprays very nice.

I use SPI epoxy on my build. Sprays very nice.
Forum: Porsche 911 Technical Forum 02-16-2018, 02:46 PM
Replies: 75
Views: 5,383
Posted By jpnovak
Check the error codes on the WBO2. It could be a...

Check the error codes on the WBO2. It could be a fried sensor. I have been less than pleased with the Innovate quality lately. Starting to switch to 14point7 systems.

Try driving the tach...
Forum: Porsche 911 Technical Forum 02-16-2018, 11:07 AM
Replies: 30
Views: 1,779
Posted By jpnovak
OT - I have a MIG spool welder for Al. Way...

OT - I have a MIG spool welder for Al. Way faster material build-up compared with my TIG.

Back to Al's excellent build adventure.

@pmax. I suspect that the heads need some work. New...
Forum: Porsche 911 Technical Forum 02-16-2018, 10:00 AM
Replies: 33
Views: 2,919
Posted By jpnovak
I am not surprised you feel the engine runs...

I am not surprised you feel the engine runs better. You have basically created a muffler with near equal length passageways. This balances flow. The small differences between the L and R side are...
Forum: Porsche 911 Used Parts For Sale & Wanted 02-16-2018, 09:14 AM
Replies: 3
Views: 213
Posted By jpnovak
The lower section is the same. However, about 4"...

The lower section is the same. However, about 4" up there is a bump out for your "tractor" battery that is not included in this panel. Look in your wheel well and you can clearly see the difference.
Forum: Porsche 911 Technical Forum 02-16-2018, 08:18 AM
Replies: 35
Views: 2,190
Posted By jpnovak
The trim does not just insert into the seal. ...

The trim does not just insert into the seal. There is a "hook" on the underside of the trim. The rubber must snap over the hook and connect the lip to prevent it from coming out. You have to pull...
Forum: Porsche 911 Used Parts For Sale & Wanted 02-16-2018, 07:25 AM
Replies: 3
Views: 213
Posted By jpnovak
FS - Early 911 sheet metal

Selling some sheet metal parts left over from the rust repair on my 72.

First. I have two battery box delete panels. These are new from Restoration Design. Both are Driver's side. I ended up...
Forum: Porsche 911 Technical Forum 02-16-2018, 07:15 AM
Replies: 107
Views: 9,257
Posted By jpnovak
I have been watching this build as I continue...

I have been watching this build as I continue slowly working towards completion on my tangerine 72 project. I hope mine turns out just a fraction of this build. Great detail.

Can't wait to see...
Forum: Porsche 911 Technical Forum 02-16-2018, 06:19 AM
Replies: 30
Views: 1,779
Posted By jpnovak
Funny that those pics show just how much dead...

Funny that those pics show just how much dead space there is in the 911 exhaust port. Notice all the carbon buildup located in the same place. Now, match that carbon pattern with some Al welding...
Forum: Porsche 911 Used Parts For Sale & Wanted 02-15-2018, 01:08 PM
Replies: 18
Views: 1,158
Posted By jpnovak
3D print one in ABS.

3D print one in ABS.
Forum: Porsche 911 Technical Forum 02-15-2018, 03:42 AM
Replies: 75
Views: 5,383
Posted By jpnovak
Yes. It should be a 12V square wave and will...

Yes. It should be a 12V square wave and will trigger all 3.
Forum: Porsche 911 Technical Forum 02-14-2018, 08:27 PM
Replies: 75
Views: 5,383
Posted By jpnovak
The old versions were missing a current limit and...

The old versions were missing a current limit and could burn out if left with key-on when the magnet was in phase with the pickup. You can do a search for many examples.

I think the latest...
Forum: Porsche 911 Technical Forum 02-14-2018, 08:20 PM
Replies: 75
Views: 5,383
Posted By jpnovak
Here is how you should connect it. Black...

Here is how you should connect it.

Black wire from points connected to white MSD wire
black wire from points connected to trigger input from MS (center of gray shielded wire)

Tach output...
Forum: Porsche 911 Technical Forum 02-14-2018, 08:12 PM
Replies: 75
Views: 5,383
Posted By jpnovak
You can use a multimeter. It will show a few...

You can use a multimeter. It will show a few hundred mV off the pertronix as it averages the 12V square wave output.

Sounds like you need to start looking at your pertronix connections and make...
Forum: Porsche 911 Technical Forum 02-14-2018, 07:55 PM
Replies: 75
Views: 5,383
Posted By jpnovak
A few questions that will help you troubleshoot. ...

A few questions that will help you troubleshoot.

Do you have a tach signal on MS when cranking? it should be around 250rpm. If no, then look before the MSD.

Do you have spark? The MSD...
Forum: Porsche 911 Technical Forum 02-13-2018, 09:57 PM
Replies: 260
Views: 50,542
Posted By jpnovak
Paul, Not sure what you are referring to. ...

Paul,

Not sure what you are referring to. The layers are: rust primer, homemade thermal barrier paint, Lizard Skin sound paint, color tinted thermal paint and final color.
Forum: 911 / 930 Turbo & Super Charging Forum 02-13-2018, 01:30 PM
Replies: 23
Views: 712
Posted By jpnovak
And to add to what JFairman described... If the...

And to add to what JFairman described... If the #1 piston is at overlap (meaning #4 is at TDC) the rockers will be tight due to spring tension.

Its pretty easy to tell if the rocker is "loose"...
Forum: Porsche 911 Used Parts For Sale & Wanted 02-13-2018, 09:11 AM
Replies: 2
Views: 77
Posted By jpnovak
James, Do you have the outside bracket to drive...

James, Do you have the outside bracket to drive the DS TBs? If so, I am a buyer.
Forum: Porsche 911 Technical Forum 02-08-2018, 07:36 PM
Replies: 54
Views: 1,870
Posted By jpnovak
I have experienced a JE piston skirt contacting...

I have experienced a JE piston skirt contacting the case web. Solution was to mill the skirts down to increase clearance.

Slight contact would go away as engine heats and expands.

Check all...
Forum: 911 Engine Rebuilding Forum 02-08-2018, 07:12 PM
Replies: 11
Views: 336
Posted By jpnovak
73.5 CIS heads easily accept EFI injectors. Get...

73.5 CIS heads easily accept EFI injectors. Get the long tip DEKA common BMW 3-, and 5- series applications. They will fit nicely into the intake port. Then run MFI stacks for an ITB EFI setup.
Forum: Porsche 911 Technical Forum 02-08-2018, 12:04 PM
Replies: 453
Views: 52,487
Posted By jpnovak
Jonny, since the HVAC system is MCU...

Jonny, since the HVAC system is MCU controlled... Let's say you have an EFI system. Could one program an output that would cut the compressor under certain conditions. For example, no AC...
Forum: 911 / 930 Turbo & Super Charging Forum 02-07-2018, 07:15 PM
Replies: 22
Views: 813
Posted By jpnovak
What do you envision to make this work? Trim pot...

What do you envision to make this work? Trim pot to adjust the voltage on a boost controller? Send signal via ECU? I can think of several ways depending on the system.

An external boost...
Showing results 1 to 25 of 500

 
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