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Search: Posts Made By: boosted79
Forum: 911 Engine Rebuilding Forum 10-13-2019, 06:55 AM
Replies: 5
Views: 461
Posted By boosted79
That bore was never touched with Scotchbrite. Ask...

That bore was never touched with Scotchbrite. Ask to see all of the measurements that should have been taken after the tear down and clean up but before the "rebuild". Like bore diameters (both axes...
Forum: 911 Engine Rebuilding Forum 10-12-2019, 11:49 AM
Replies: 5
Views: 461
Posted By boosted79
That engine was not "rebuilt", it was thrown...

That engine was not "rebuilt", it was thrown together. Run away as fast as you can.
Forum: 911 Engine Rebuilding Forum 10-12-2019, 05:46 AM
Replies: 6
Views: 674
Posted By boosted79
"Should I be using a slightly smaller diameter...

"Should I be using a slightly smaller diameter end mill?"

Yes. I've done a VW case and used a smaller tap drill than the tap chart recommends to get a nice tight fit. Mag is so soft you can get...
Forum: 911 Engine Rebuilding Forum 10-07-2019, 04:43 AM
Replies: 32
Views: 2,051
Posted By boosted79
" Cat and Cummins class 8 engines bolt up their...

" Cat and Cummins class 8 engines bolt up their exhaust manifolds with longer studs and a 1-2" spacer under the nut. And they rarely break. "

What I do. ...
Forum: 911 / 930 Turbo & Super Charging Forum 10-06-2019, 07:22 AM
Replies: 20
Views: 2,033
Posted By boosted79
Yes it is. I was skeptical but it works great....

Yes it is. I was skeptical but it works great. After I figured out how to adjust the voltage range and the sampling rate I got it to read. So now I'm an EE right?
Forum: 911 / 930 Turbo & Super Charging Forum 10-05-2019, 06:23 AM
Replies: 20
Views: 2,033
Posted By boosted79
Well I got my little Quimat scope up and running...

Well I got my little Quimat scope up and running and set up my own Sun distributor machine.

The bottom line is the center wire has to be connected to terminal "A" on the impulse coil and the...
Forum: 911 / 930 Turbo & Super Charging Forum 09-28-2019, 11:33 AM
Replies: 20
Views: 2,033
Posted By boosted79
My idea of cheap is a Quimat at $43. I'll...

My idea of cheap is a Quimat at $43. I'll probably never use it again, not into EE stuff unless I'm forced to be.
Forum: 911 / 930 Turbo & Super Charging Forum 09-28-2019, 06:19 AM
Replies: 20
Views: 2,033
Posted By boosted79
"The direction of rotation has no impact on the...

"The direction of rotation has no impact on the waveform polarity. No need to swap wires when using Bosch parts. All 911 Turbo and SC ignitions are negative edge triggered."

I agree. But does the...
Forum: 911 / 930 Turbo & Super Charging Forum 09-14-2019, 05:07 AM
Replies: 20
Views: 2,033
Posted By boosted79
"I'm so confused and now my brain hurts" You...

"I'm so confused and now my brain hurts"

You and me both.

OK, so let's simplify this and leave out polarity, waveform, electrons, zero crossing and all that electrical jargon.

In a pre '78...
Forum: 911 / 930 Turbo & Super Charging Forum 09-12-2019, 04:47 PM
Replies: 20
Views: 2,033
Posted By boosted79
So the reason I did that was because my...

So the reason I did that was because my understanding was that the polarity must be reversed to use the green wire on the early CW distributors. Now I see this and he says the rotation has nothing to...
Forum: 911 / 930 Turbo & Super Charging Forum 08-27-2019, 06:12 AM
Replies: 20
Views: 2,033
Posted By boosted79
Converting later green wire for early turbos

As most know the presently available green wire 930-602-907-01 which is correct for the 78 and later 930's won't function correctly on the early turbos which used a blue wire 930-602-911-00 which is...
Forum: 911 / 930 Turbo & Super Charging Forum 08-07-2019, 02:27 PM
Replies: 92
Views: 4,237
Posted By boosted79
I would not factor in the part of he retard curve...

I would not factor in the part of he retard curve below atmospheric. That was just done to get the timing at idle ATDC to keep the reactor cans hot for HC control. The two can dizzys had a vac can to...
Forum: 911 / 930 Turbo & Super Charging Forum 08-03-2019, 04:17 AM
Replies: 92
Views: 4,237
Posted By boosted79
I read back thru your first post. The only...

I read back thru your first post. The only changes made that would do this are going to MS for ignition control and installing SC cams, correct? Re-check the cam timing to eliminate that first, no...
Forum: 911 / 930 Turbo & Super Charging Forum 08-02-2019, 08:19 AM
Replies: 92
Views: 4,237
Posted By boosted79
Yes, does that mean it holds 10 from 950 until...

Yes, does that mean it holds 10 from 950 until 2300?
Forum: 911 / 930 Turbo & Super Charging Forum 08-02-2019, 05:24 AM
Replies: 92
Views: 4,237
Posted By boosted79
When #1 is at TDC compression (both valves closed...

When #1 is at TDC compression (both valves closed and rockers loose) #4 will be on overlap (both valves open and rockers tight). FWIW if you like low, midrange set the cams at 2.0
Forum: 911 / 930 Turbo & Super Charging Forum 08-01-2019, 04:57 AM
Replies: 92
Views: 4,237
Posted By boosted79
I went thru all this BS trying to interpret those...

I went thru all this BS trying to interpret those curves when I set up my MSD. Check out this thread to see if it helps. Don't have time to try to understand it all over again right now but later on....
Forum: 911 Engine Rebuilding Forum 07-30-2019, 02:20 PM
Replies: 15
Views: 1,610
Posted By boosted79
Yes, I was just pointing out that if he used the...

Yes, I was just pointing out that if he used the torque wrench on one nut to do the 90 swing it may have been damaged depending on what type of wrench it is and the max torque capacity vs. the actual...
Forum: 911 Engine Rebuilding Forum 07-29-2019, 05:25 AM
Replies: 15
Views: 1,610
Posted By boosted79
"Trouble is with my little torque wrench, I...

"Trouble is with my little torque wrench, I discovered I was not able to do the swing 90"

Maybe I'm not understanding this but if you are using your torque wrench as a breaker bar that is a...
Forum: Porsche 911 Technical Forum 07-22-2019, 03:32 PM
Replies: 20
Views: 898
Posted By boosted79
"if the contacts in the AFM are bad the pump...

"if the contacts in the AFM are bad the pump would run ALL the time."
That is true. I would check the relay. Or better yet sh*&can the relay and install an inertia switch and manual sw to control...
Forum: Porsche 911 Technical Forum 07-22-2019, 04:53 AM
Replies: 20
Views: 898
Posted By boosted79
Contact surfaces for the safety "switch" in the...

Contact surfaces for the safety "switch" in the meter housing need to be cleaned which requires the housing to be split to get at them. Maybe try spraying some brake cleaner up in there when engine...
Forum: 911 Engine Rebuilding Forum 07-18-2019, 01:52 PM
Replies: 16
Views: 466
Posted By boosted79
Lay the IMS less the oil pump and it's drive tube...

Lay the IMS less the oil pump and it's drive tube in a case half with the new shells, give the shaft a rap on each end with a rubber mallet. Do the same on the other case. Check the float.
Forum: 911 Engine Rebuilding Forum 07-18-2019, 07:22 AM
Replies: 35
Views: 1,549
Posted By boosted79
Damn, that is almost relatively free. I remember...

Damn, that is almost relatively free. I remember being quoted something like $1100-1200 about four years ago?? Did these come in a Porsche box? What manufacturer's stamp do they have on them?
Forum: 911 Engine Rebuilding Forum 07-18-2019, 04:01 AM
Replies: 35
Views: 1,549
Posted By boosted79
What was the ballpark pricing on the GT3's? $...

What was the ballpark pricing on the GT3's? $ 500-750-1000 or 1000+ ? Dauner said they are affordable but affordable in the Porsche dictionary has a different meaning.
Forum: 911 Engine Rebuilding Forum 07-04-2019, 04:03 AM
Replies: 86
Views: 10,403
Posted By boosted79
"seems it only gives me 20 minutes though?" ...

"seems it only gives me 20 minutes though?"

It's a lot less than that. I used it once on the case seam with no leaks but went back to 574 because it skins too quickly for my liking. It's great for...
Forum: 911 Engine Rebuilding Forum 06-30-2019, 05:07 AM
Replies: 78
Views: 5,564
Posted By boosted79
"I've taken apart several 70-80s Ferrari motors...

"I've taken apart several 70-80s Ferrari motors that were 'running fine', just worn. No clicking sounds, still on factory builds and internals, and found rod and main clearances far and away out of...
Showing results 1 to 25 of 500

 
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