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Search: Posts Made By: kirkf
Forum: 911 Engine Rebuilding Forum 08-29-2016, 08:50 AM
Replies: 122
Views: 35,914
Posted By kirkf
Its nice to see this thread still exists on here....

Its nice to see this thread still exists on here.
For the record the engine still runs well, but the supercharger project never got finished.
Two kids and too much out of town work permanently...
Forum: 911 Engine Rebuilding Forum 08-29-2016, 08:47 AM
Replies: 26
Views: 3,726
Posted By kirkf
Are you using synthetic oil? Try changing to...

Are you using synthetic oil?
Try changing to regular 20w50 oil, and see if you still have a leak.


Regards,

Kirk
Forum: 911 Engine Rebuilding Forum 08-14-2008, 04:43 AM
Replies: 1
Views: 621
Posted By kirkf
Timing Chain case cover gasket

Here is a question I have been wondering about:

The victor reinz timing chain case cover gaskets (large black ones) seem to be round on one side and flat on the other side.

Do you put the flat...
Forum: 911 Engine Rebuilding Forum 05-08-2008, 12:44 PM
Replies: 4
Views: 730
Posted By kirkf
What year is your car? 1989 had a single mass...

What year is your car?
1989 had a single mass flywheel, later models had a dual mass flywheel.

There is a possibility you have a later model that has had its flywheel changed to a RS light weight...
Forum: 911 Engine Rebuilding Forum 05-08-2008, 12:37 PM
Replies: 21
Views: 5,000
Posted By kirkf
Sherwood, I checked a set of stock pistons...

Sherwood,

I checked a set of stock pistons compared to the ones SoK machined for me. The stock piston came in at 10.7:1, and the machined piston from SoK came in at 10.4:1, so they didnt remove...
Forum: 911 Engine Rebuilding Forum 05-08-2008, 12:28 PM
Replies: 21
Views: 5,000
Posted By kirkf
I went out and measured the new JE pistons today....

I went out and measured the new JE pistons today.

JE Piston Compression Ratio
Expected is 8.9:1 with a 1.0 mm deck height

COMPRESSION RATIO = (V1 + V2 + V3 - V4) / (V2+V3 - V4)
WHERE:
V1 =...
Forum: 911 Engine Rebuilding Forum 05-07-2008, 06:10 PM
Replies: 14
Views: 2,833
Posted By kirkf
JEs with thermal barrier and side skirt coating...

JEs with thermal barrier and side skirt coating look pretty. And they can be on your doorstep in 5 weeks with a custom CR. What more could you ask for?

Kirk
p.s. these just got delivered today...
Forum: 911 Engine Rebuilding Forum 05-07-2008, 05:58 PM
Replies: 4
Views: 730
Posted By kirkf
You lower the engine and transmission together. ...

You lower the engine and transmission together.
At the transmission / torque tube junction there is an access cover under which you can seperate them. (its a grey sliding sleeve that you loosen both...
Forum: 911 Engine Rebuilding Forum 05-07-2008, 05:46 PM
Replies: 21
Views: 5,000
Posted By kirkf
And here we are about 6 weeks later. Voila, new...

And here we are about 6 weeks later.
Voila, new custom machined JE pistons.

Sadly all I can think of is Jeff sticking that screwdriver through his hand while trying to put the retaining clips on...
Forum: 911 Engine Rebuilding Forum 05-07-2008, 05:42 PM
Replies: 21
Views: 5,000
Posted By kirkf
SoK was also nice enough to beef up my engine...

SoK was also nice enough to beef up my engine support bracket and re powder coat it. but they didnt drill the holes for the supercharger mounting bracket. So what would have been a template job for...
Forum: 911 Engine Rebuilding Forum 05-07-2008, 05:37 PM
Replies: 21
Views: 5,000
Posted By kirkf
(From March 26th) Well after calculating the...

(From March 26th)

Well after calculating the compression ratio, it turns out that SoK blew the machining of these pistons by a mile.
They come in at about 10.4:1 instead of the 9:1 they were...
Forum: 911 Engine Rebuilding Forum 03-23-2008, 11:46 AM
Replies: 2
Views: 563
Posted By kirkf
Thanx steve, You are an encylopedia of...

Thanx steve,

You are an encylopedia of knowledge on these motors!

Kirk
Forum: 911 Engine Rebuilding Forum 03-23-2008, 08:58 AM
Replies: 2
Views: 563
Posted By kirkf
Deck Height & Detonation

I have read that the optimal deck height for a 3.6L is 1mm, and that as you exceed this it leads to detonation.

Why is this?

Why is the 3.6L more prone to this than the earlier smaller motors?...
Forum: 911 Engine Rebuilding Forum 03-11-2008, 11:28 AM
Replies: 7
Views: 735
Posted By kirkf
Thanx everyone for the replies. I'll have to...

Thanx everyone for the replies.
I'll have to decide whether I want to pour more $$ into pistons with 40k on them or just buy new aftermarket pistons with the correct CR.

Sigh.

Kirk
Forum: 911 / 930 Turbo & Super Charging Forum 03-11-2008, 06:48 AM
Replies: 6
Views: 1,555
Posted By kirkf
Thanx everyone, I see exactly what you are...

Thanx everyone,

I see exactly what you are saying about the boost PSI being hard to calculate because you dont know what the restrictions are. If I had a cam with more overlap, it would change...
Forum: 911 Engine Rebuilding Forum 03-09-2008, 08:24 PM
Replies: 7
Views: 735
Posted By kirkf
Anybody have any ideas on how to fix this? ...

Anybody have any ideas on how to fix this?

Kirk
Forum: 911 Engine Rebuilding Forum 03-09-2008, 08:19 PM
Replies: 7
Views: 735
Posted By kirkf
The 964 heads apparently are typically ~90cc from...

The 964 heads apparently are typically ~90cc from factory, so my results are in line with that.
I decided to redo the measurements for the piston dome. The results are:


Machined Piston: 33.068...
Forum: 911 Engine Rebuilding Forum 03-09-2008, 03:45 PM
Replies: 7
Views: 735
Posted By kirkf
Thanx Chris, Here are my calculations for my...

Thanx Chris,

Here are my calculations for my compression ratio:

COMPRESSION RATIO = (V1 + V2 + V3 - V4) / (V2+V3 - V4)
WHERE:
V1 = SWEPT VOLUME
V2 = DECK HEIGHT VOLUME
V3 = CYLINDER HEAD...
Forum: 911 / 930 Turbo & Super Charging Forum 03-09-2008, 10:21 AM
Replies: 6
Views: 1,555
Posted By kirkf
Help with supercharger calculations

Hi,

I am trying to setup a used SoK supercharger and I need some help trying to figure out some of the calculations involved.

Almost everything I read talks about calculations based on how many...
Forum: 911 Engine Rebuilding Forum 03-08-2008, 08:01 PM
Replies: 7
Views: 735
Posted By kirkf
3.6 dome size

Can someone tell me how many CCs a standard 964 piston dome is?
Also what is a typical cylinder head volume of a 964 head?

Thanx
Kirk
Forum: 911 Engine Rebuilding Forum 12-30-2007, 06:31 PM
Replies: 65
Views: 49,591
Posted By kirkf
Ian, My january issue just arrived! Congrats...

Ian,

My january issue just arrived! Congrats on the great write up!

Kirk
Forum: 911 Engine Rebuilding Forum 12-09-2007, 07:32 PM
Replies: 5
Views: 675
Posted By kirkf
Looks great. Kirk

Looks great.

Kirk
Forum: 911 Engine Rebuilding Forum 12-08-2007, 07:49 PM
Replies: 5
Views: 675
Posted By kirkf
With new bearings I dont see why it would be a...

With new bearings I dont see why it would be a problem. I poweder coated my fan, and I had no clearance issues.

Kirk
Forum: 911 Engine Rebuilding Forum 11-23-2007, 01:22 PM
Replies: 25
Views: 9,425
Posted By kirkf
Someone else may disagree with me on this, but it...

Someone else may disagree with me on this, but it is my understanding that missing pieces of the ceramic port liner is quite common and it can be ignored.

If you are taking the motor apart, be...
Forum: 911 Engine Rebuilding Forum 10-26-2007, 06:21 PM
Replies: 21
Views: 5,000
Posted By kirkf
Sadly I am working in saskatoon for the next two...

Sadly I am working in saskatoon for the next two weeks, so I dont even know how the weather is. Thats one of the reasons all my projects proceed so slowly. I almost always work out of town.
(I work...
Showing results 1 to 25 of 221

 
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