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Showing results 1 to 25 of 34
Search took 0.01 seconds. Search: Posts Made By: howe00
Forum: Boxster & Cayman Forum 11-29-2015, 01:52 AM
Replies: 15
Views: 2,021
Posted By howe00
Well I took my 2010 Boxster PDK up the mountains...

Well I took my 2010 Boxster PDK up the mountains today first serious drive since I purchased it and it was so much better than my previous 986 motor, gearbox and ride.
I think you have to ask...
Forum: Boxster & Cayman Forum 03-21-2015, 02:24 AM
Replies: 3
Views: 688
Posted By howe00
My next Boxster will definitely be the A91...

My next Boxster will definitely be the A91 engine.When you look at the complexity of the 5 chain design you wonder what they were thinking.And then the main bearing carrier. Didn't they look at other...
Forum: Boxster & Cayman Forum 12-12-2014, 01:26 AM
Replies: 12
Views: 3,440
Posted By howe00
Lubrication is NOT the problem the bearing CAGE...

Lubrication is NOT the problem the bearing CAGE is. Install a full complement ball bearing and its fixed for good.
Forum: Boxster & Cayman Forum 08-05-2014, 02:54 AM
Replies: 7
Views: 1,149
Posted By howe00
I find it odd that roller bearings aren't used in...

I find it odd that roller bearings aren't used in other places in the engines. And wouldn't a bearing with more surface area provide more inertia and friction thus slowing the engine?[/QUOTE]
...
Forum: Boxster & Cayman Forum 01-30-2014, 02:15 AM
Replies: 246
Views: 37,625
Posted By howe00
The plain bearing on the opposite end of the IMS...

The plain bearing on the opposite end of the IMS would be lucky to see 10% of the ball bearing loads so there is no point in this comparison. Surface speeds of plain bearings are an issue with...
Forum: Boxster & Cayman Forum 07-11-2013, 03:02 AM
Replies: 53
Views: 11,841
Posted By howe00
Agree with Max 100% its just a bearing, if you...

Agree with Max 100% its just a bearing, if you buy a reputable brand eg FAG, SKF, NACHI, etc, it will make no difference, there are a lot of other variables than can influence a bearings life. If you...
Forum: Boxster & Cayman Forum 06-22-2013, 06:20 PM
Replies: 19
Views: 2,070
Posted By howe00
How can the bolt head be anywhere else other than...

How can the bolt head be anywhere else other than in the IMS tube? The head diameter is greater than the bearing bore.
Forum: Boxster & Cayman Forum 06-21-2013, 02:11 AM
Replies: 25
Views: 4,959
Posted By howe00
The fact that the engine has no power suggests...

The fact that the engine has no power suggests that maybe the cam timing is out.
When we built up a race engine we would always check inlet and exhaust opening and closing degrees before and after...
Forum: Boxster & Cayman Forum 06-04-2013, 02:26 AM
Replies: 42
Views: 6,722
Posted By howe00
There is other criteria that will affect bearing...

There is other criteria that will affect bearing life dramatically ie fit of the housing and shaft this seems to be a bit of an issue as quite a few of the post photos have evidence of the outer race...
Forum: Boxster & Cayman Forum 09-10-2012, 04:46 AM
Replies: 2
Views: 650
Posted By howe00
My guess, the friction with the thro - out brg...

My guess, the friction with the thro - out brg engaged would be > the internal friction of the box and drive train. In addition you will also have friction in the flywheel spigot bearing. From memory...
Forum: Boxster & Cayman Forum 08-12-2012, 02:57 AM
Replies: 382
Views: 84,546
Posted By howe00
Yes The location and size dosn't seem ideal.

Yes
The location and size dosn't seem ideal.
Forum: Boxster & Cayman Forum 08-10-2012, 03:20 AM
Replies: 382
Views: 84,546
Posted By howe00
Thanks Feelyx, From what I can gather bearing...

Thanks Feelyx,
From what I can gather bearing suppliers have ugraded their seals from, non contact =(low friction, not so good seal on the inner race) to line contact =(excellent seal on the inner...
Forum: Boxster & Cayman Forum 08-09-2012, 04:02 AM
Replies: 382
Views: 84,546
Posted By howe00
G'day Feelyx, Have you ever put a new sealed...

G'day Feelyx,
Have you ever put a new sealed bearing say -6204 2rs in oil @100C and then in 150 C and observed the affect?
I would say if you have ever over heated your "box" you have cooked the...
Forum: Boxster & Cayman Forum 07-30-2012, 02:58 AM
Replies: 16
Views: 1,487
Posted By howe00
The seal doen't seal?

The seal doen't seal?
Forum: Boxster & Cayman Forum 07-03-2012, 03:02 AM
Replies: 9
Views: 8,020
Posted By howe00
Does that offer stretch to OZ ?:)

Does that offer stretch to OZ ?:)
Forum: Boxster & Cayman Forum 06-22-2012, 03:38 AM
Replies: 382
Views: 84,546
Posted By howe00
Patrick, Feelyx, My guess the reason for...

Patrick, Feelyx,

My guess the reason for the circlip is to locatate the IMS shaft axially.
With a plain bush as per the sketch above the shaft is not located axially hence is free to float.
Forum: Boxster & Cayman Forum 05-30-2012, 03:12 AM
Replies: 7
Views: 1,166
Posted By howe00
Have a 2001,2.7l, first shift 1-2 is a bit stiff...

Have a 2001,2.7l, first shift 1-2 is a bit stiff cold. Not only motor but he gearbox also has to come up to temp, it takes time for the heat to transfer, so after warm up let it sit for 5 mins off....
Forum: Boxster & Cayman Forum 03-12-2012, 03:21 AM
Replies: 382
Views: 84,546
Posted By howe00
Can't find a single or double row spherical...

Can't find a single or double row spherical roller to suit the OD x ID dimensions,so the cylindrical roller NJ204 would have to do. The SR is more desirable because it is self aligning where as the...
Forum: Boxster & Cayman Forum 03-11-2012, 03:14 AM
Replies: 382
Views: 84,546
Posted By howe00
Agree felix, If there is enough space to fit a...

Agree felix,
If there is enough space to fit a separate conventional seal, as per the crankshaft seal,this would be a better sealing option. Given the choice between a spherical roller and a deep...
Forum: Boxster & Cayman Forum 03-10-2012, 02:22 AM
Replies: 382
Views: 84,546
Posted By howe00
Hi feelyx, I may one day see a IMS shaft and...

Hi feelyx,
I may one day see a IMS shaft and fully understand the detail of the bearing mounting but from what I have seen from photos etc makes me wonder.
a) placing 2 x 6204 bearings side by side...
Forum: Boxster & Cayman Forum 03-09-2012, 02:55 AM
Replies: 382
Views: 84,546
Posted By howe00
A sealed bearing back in 2001 ie ( 2RS) was...

A sealed bearing back in 2001 ie ( 2RS) was never intended to seal against the ingress of oil, it was only required to handle grease and was about 30% full of grease. A new sealed bearing such as...
Forum: Boxster & Cayman Forum 02-23-2012, 02:29 AM
Replies: 3
Views: 1,137
Posted By howe00
IMS bearing - oil drain

Is it possible to cross drill the IMS so as to drain stale oil from the inside of the bearing?
ie oil that has got past the two seals.
Is the IMS hollow? if so, how about a couple of radial relief...
Forum: Boxster & Cayman Forum 02-06-2012, 02:01 AM
Replies: 45
Views: 5,497
Posted By howe00
63 Y.O. -Purchased my 2001, 2.7, manual, about...

63 Y.O. -Purchased my 2001, 2.7, manual, about 1.5 years ago, had 3 Alfa Spyders and several Alfa105 gtv's. Best thing I have ever done apart from Kitesurfing & Flying.
Forum: Boxster & Cayman Forum 01-08-2012, 03:29 AM
Replies: 57
Views: 6,453
Posted By howe00
I would love to look at more good bearings that...

I would love to look at more good bearings that have been pulled, the brand porsche used, because a few of these 5204 doubles and 6204 singles have rpm limits lower than red line on a boxster, and...
Forum: Boxster & Cayman Forum 01-01-2012, 02:04 AM
Replies: 22
Views: 4,348
Posted By howe00
Why would anyone think the Guardian Ims "time...

Why would anyone think the Guardian Ims "time interval for detection" would be better than an oil filter check? The former has to collect particles totally at random in the sump, the latter collects...
Showing results 1 to 25 of 34
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