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Search: Posts Made By: DrZiplok
Forum: performance & modifications 11-17-2019, 11:01 PM
Replies: 33
Views: 3,901
Posted By DrZiplok
Torque rods are under tension when 'launching',...

Torque rods are under tension when 'launching', but?
Forum: performance & modifications 11-13-2019, 03:43 AM
Replies: 67
Views: 12,167
Posted By DrZiplok
It becomes quite ... exciting keeping the output...

It becomes quite ... exciting keeping the output duty cycle right, especially if you're trying to make an ABS system happy.
Forum: performance & modifications 11-13-2019, 03:41 AM
Replies: 67
Views: 12,167
Posted By DrZiplok
Let us know if anyone seems sane; been buying...

Let us know if anyone seems sane; been buying from reluctorrings.com in the UK. Quality product, but not cheap, and even less so with shipping to California.
Forum: performance & modifications 10-25-2019, 12:24 PM
Replies: 12
Views: 1,022
Posted By DrZiplok
Their customer support's good, and the product is...

Their customer support's good, and the product is top-notch as well. Money well spent.
Forum: performance & modifications 10-02-2019, 01:55 PM
Replies: 9
Views: 696
Posted By DrZiplok
You can probably go ahead and do the front of the...

You can probably go ahead and do the front of the rear trailing arms as well. Definitely replace the rear bushings with new rubber ones though.

Depending on your tolerance for pressing things out,...
Forum: performance & modifications 09-30-2019, 09:28 PM
Replies: 18
Views: 1,468
Posted By DrZiplok
No, the function is completely different. A...

No, the function is completely different.

A reducing valve would 'reduce' pressure. The balancing valve is designed to retain pressure in the other half of the system when one half fails.

As...
Forum: performance & modifications 09-30-2019, 07:11 PM
Replies: 46
Views: 7,672
Posted By DrZiplok
We ran a day at Buttonwillow (lots of RH corners)...

We ran a day at Buttonwillow (lots of RH corners) with the front right lowered ~3" more than the left. That made it better, but it gives a wicked initial pull to the right when braking hard.
...
Forum: performance & modifications 09-30-2019, 07:06 PM
Replies: 22
Views: 2,431
Posted By DrZiplok
JFYI, Stoptech is Centric.

JFYI, Stoptech is Centric.
Forum: performance & modifications 08-24-2019, 01:52 AM
Replies: 9
Views: 1,069
Posted By DrZiplok
In three-ish years of racing we only ever bent...

In three-ish years of racing we only ever bent them by hitting things; Miatas, k-walls, etc.

They can be had cheap, brakes cool well under them, bigger rubber fits them, and they look tits....
Forum: performance & modifications 08-22-2019, 06:15 PM
Replies: 46
Views: 7,672
Posted By DrZiplok
Necro'ing this thread; got the car on some...

Necro'ing this thread; got the car on some scales:

https://i.imgur.com/zAmB6B1h.jpg

So, already quite a bit of LF/RR preload. Another good idea shot to hell.
Forum: performance & modifications 08-05-2019, 12:20 PM
Replies: 56
Views: 4,412
Posted By DrZiplok
Lots of theories; the first one we broke was on...

Lots of theories; the first one we broke was on an axle where the brake ears probably weren't square (we had to shim the caliper to get good pad:rotor alignment), so it seemed reasonable to pin the...
Forum: performance & modifications 08-01-2019, 04:48 PM
Replies: 56
Views: 4,412
Posted By DrZiplok
If it doesn't hurt, you're not going fast enough....

If it doesn't hurt, you're not going fast enough. Stopping fast enough. Whatever. 8)

https://i.imgur.com/yuJ7UOWl.jpg
Forum: performance & modifications 07-29-2019, 05:42 PM
Replies: 56
Views: 4,412
Posted By DrZiplok
Very true. OTOH, it did lead us to discover...

Very true.

OTOH, it did lead us to discover that the car stops just fine with only the front brakes...
Forum: performance & modifications 07-28-2019, 06:35 PM
Replies: 56
Views: 4,412
Posted By DrZiplok
We've broken several sets of the STS rear alloy...

We've broken several sets of the STS rear alloy brackets; had them make us a set in steel, so far so good.

Worth considering if you're using in a heavy-duty (racing) application.
Forum: performance & modifications 07-15-2019, 08:14 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Just a quick update. We pulled the axles this...

Just a quick update. We pulled the axles this weekend to inspect the 'Timken' non-tapered roller bearings: no silver pixie grease, no apparent damage or wear.

So best guess, some metallurgy issues...
Forum: performance & modifications 06-14-2019, 02:07 AM
Replies: 14
Views: 1,718
Posted By DrZiplok
It's not like anyone here is going to be offended...

It's not like anyone here is going to be offended if you were to do so, and perhaps share a few pictures that you took while he was showing you how cool it all was... :)
Forum: performance & modifications 06-12-2019, 07:19 PM
Replies: 14
Views: 1,718
Posted By DrZiplok
It's hard to tell from the potato-quality picture...

It's hard to tell from the potato-quality picture and complete lack of descriptive text, but that just looks like a conventional floating axle. Unless there's some CV magic going on inside the hubs...
Forum: performance & modifications 06-12-2019, 01:12 AM
Replies: 14
Views: 1,718
Posted By DrZiplok
Is there "Sellholm stuff" not advertised on their...

Is there "Sellholm stuff" not advertised on their website?
Forum: performance & modifications 06-07-2019, 01:20 PM
Replies: 14
Views: 1,718
Posted By DrZiplok
CS Parts T5 242 race car - anyone know more about it?

https://www.youtube.com/watch?v=28GOKF0weXU

Looks like a bunch of fun, but it was the rear camber that got my attention. Anyone know more about this car?
Forum: performance & modifications 05-31-2019, 01:14 AM
Replies: 38
Views: 2,716
Posted By DrZiplok
The ABS-II routing is pretty boring. There are...

The ABS-II routing is pretty boring. There are two lines from the master that go to the ABS valve block; one for the fronts (V), one for the rears (H).

There are three lines that come out of the...
Forum: performance & modifications 05-30-2019, 11:13 AM
Replies: 38
Views: 2,716
Posted By DrZiplok
Yes, my turn to inject confusion, sorry.

Yes, my turn to inject confusion, sorry.
Forum: performance & modifications 05-29-2019, 09:33 PM
Replies: 52
Views: 6,988
Posted By DrZiplok
Picture in post #40 in this thread. It's moved...

Picture in post #40 in this thread. It's moved ~4" down, about the same as we've lowered the rear.



Trying to get my hands on a set of corner scales before weighing (ha) back into that thread,...
Forum: performance & modifications 05-29-2019, 09:29 PM
Replies: 38
Views: 2,716
Posted By DrZiplok
Just in case this confuses someone; the "FRONT"...

Just in case this confuses someone; the "FRONT" bore in this case actuates the rear brakes, and likewise the "REAR" bore the front brakes.
Forum: performance & modifications 05-28-2019, 08:11 PM
Replies: 23
Views: 2,370
Posted By DrZiplok
Do you have to use a Volvo engine? If the...

Do you have to use a Volvo engine?

If the answer is not "yes", then you can make a lot of power with a BMW M/S52, and the swap is not (particularly) difficult. That's still 24v, right? 8)

If...
Forum: performance & modifications 05-28-2019, 12:17 PM
Replies: 38
Views: 2,716
Posted By DrZiplok
I haven't looked, sorry. In our case it's...

I haven't looked, sorry. In our case it's actually more interesting for the front / rear bore ratios to look completely non-Volvo as we're attempting to get the EBFD in the ABS to think it's in an...
Forum: performance & modifications 05-28-2019, 03:29 AM
Replies: 38
Views: 2,716
Posted By DrZiplok
For me, aside from the anecdotal evidence that it...

For me, aside from the anecdotal evidence that it provides better pedal feel with the R calipers, the principal motivating factor was the availability of new parts.

I wasn't able to locate stock...
Forum: performance & modifications 05-28-2019, 03:24 AM
Replies: 38
Views: 2,716
Posted By DrZiplok
You can get an M12x1.0 to M10x1.0 adapter from...

You can get an M12x1.0 to M10x1.0 adapter from Brake Hoses Unlimited / goodbrakes on eBay:
...
Forum: performance & modifications 05-28-2019, 02:56 AM
Replies: 52
Views: 6,988
Posted By DrZiplok
Just a brief update; the relocation seems to have...

Just a brief update; the relocation seems to have helped somewhat, but still hasn't fully cured the issue (or made it symmetrical).

We did notice a bit more rear-end looseness (as implied),...
Forum: performance & modifications 05-20-2019, 07:47 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Assuming you're asking me - we had a driver come...

Assuming you're asking me - we had a driver come in complaining of terrible rear-end noises the first time this happened. The skinny ring on the SKF was worn down to almost nothing.

Second time...
Forum: performance & modifications 05-16-2019, 11:09 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Yup, was just closing the loop by noting that...

Yup, was just closing the loop by noting that when you go pull pictures of those bearings (like, say, the A10) they don't look anything like this particular animal.
Forum: performance & modifications 05-16-2019, 07:47 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Two more datapoints: found this...

Two more datapoints: found this (http://www.2040-parts.com/nors-green-rw-902r-axle-bearing-o-ringed-1969-71-cadillac-buick-olds-i1490368/) listing for RW-902V that claims (with a hard to read shot of...
Forum: performance & modifications 05-16-2019, 02:02 AM
Replies: 47
Views: 4,540
Posted By DrZiplok
Ok, spent a couple hours with the press getting...

Ok, spent a couple hours with the press getting filthy. SO MUCH LEARNING. Thank you for your patience.

Long axles have ~5mm of end clearance in the Wavetrac. Does not seem like a problem. About...
Forum: performance & modifications 05-15-2019, 11:19 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
On the bearing front, I picked up some Timken...

On the bearing front, I picked up some Timken RW131Rs which list as a compatible part. They are quite different, but seem to have the same relevant dimensions as a set of OE Timkens off one of our...
Forum: performance & modifications 05-15-2019, 11:16 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
When you say "long non-ABS axle", are you...

When you say "long non-ABS axle", are you referring to the one on the left?

http://i.imgur.com/LoENyXMl.jpg (https://imgur.com/LoENyXM)

Because we *are* using long stub axles (more spline in...
Forum: performance & modifications 05-15-2019, 08:51 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Not a G80; Eaton TrueTrac (modern high-preload...

Not a G80; Eaton TrueTrac (modern high-preload version).

For the issue we're seeing, wouldn't a narrow stick be more of a problem? (axles maybe not going far enough in?) We don't see wear...
Forum: performance & modifications 05-15-2019, 03:10 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
I'm sure something's wrong, just hunting for...

I'm sure something's wrong, just hunting for ideas as to what it might be. It's true that it's only this specific stick that's been eating them; the team has run 240s (much less hard) for > 10 years...
Forum: performance & modifications 05-15-2019, 11:57 AM
Replies: 47
Views: 4,540
Posted By DrZiplok
The dust shield effectively shims the retainer...

The dust shield effectively shims the retainer plate out; it fits around the outer seal / keeper whereas the retainer plate presses on it.
Forum: performance & modifications 05-15-2019, 11:37 AM
Replies: 52
Views: 6,988
Posted By DrZiplok
Weird; the post seems to have vanished. I know I...

Weird; the post seems to have vanished. I know I didn't delete it. Anyway, enjoy:

https://www.youtube.com/watch?v=SvF7IwiQQ2Q
Forum: performance & modifications 05-15-2019, 11:35 AM
Replies: 47
Views: 4,540
Posted By DrZiplok
The shim / dust shield spaces the retainer out,...

The shim / dust shield spaces the retainer out, so more shim would mean less preload. We have tried (briefly) assembling with no shim over a fresh bearing and unlike culberro's experience we were not...
Forum: performance & modifications 05-14-2019, 12:19 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
We've always shimmed with a scrap of the dust...

We've always shimmed with a scrap of the dust shield (you can see it in the pic). Never any end play, no obvious drag due to preload. Obviously without it there's way too much preload and the bearing...
Forum: performance & modifications 05-14-2019, 01:40 AM
Replies: 24
Views: 5,759
Posted By DrZiplok
Found a better sensor for the rear axles, no...

Found a better sensor for the rear axles, no longer requires painful carving of the strain relief, etc.

It's a Nissan part (in my case a cheap clone sold under the 'Autex' brand), cross references...
Forum: performance & modifications 05-14-2019, 01:05 AM
Replies: 47
Views: 4,540
Posted By DrZiplok
Many thanks, failed to comprehend that you had...

Many thanks, failed to comprehend that you had one in hand. Time to go look for more cross-reference guides!
Forum: performance & modifications 05-13-2019, 08:19 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Green RW902V crosses directly with RW131R per...

Green RW902V crosses directly with RW131R per Timken's bearing interchange guide. Toasted bearing at top of page is SKF GRW131R...

I've never tried talking to Moser; are they likely to be...
Forum: performance & modifications 05-13-2019, 08:03 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
Inner seal looks fine, was brand new for this...

Inner seal looks fine, was brand new for this race. Axle in the pic is wet with diesel, it's sitting in the parts washer.

I don't have a non-fuzzy pic of the pre-washup bearing, but basically the...
Forum: performance & modifications 05-12-2019, 01:10 PM
Replies: 47
Views: 4,540
Posted By DrZiplok
[240] SKF Rear axle bearings not so sturdy under side loads?

When your Redline CV2 is silver, and things are coming apart like this after a weekend:

http://i.imgur.com/fKto66R.jpg (https://imgur.com/fKto66R)

this doesn't seem right. Was SKF the wrong...
Forum: performance & modifications 05-04-2019, 04:14 PM
Replies: 24
Views: 2,345
Posted By DrZiplok
Our conversion discarded the parking brake and...

Our conversion discarded the parking brake and fit the reluctor ring over the machined section of axle that normally passes between the shoes.

This is obviously not OK for any vehicle that wants...
Forum: performance & modifications 05-02-2019, 05:46 PM
Replies: 24
Views: 2,345
Posted By DrZiplok
You know I'm going to ask it, but: if you do,...

You know I'm going to ask it, but: if you do, please consider offering them with 48t ABS tone rings. 8)
Forum: performance & modifications 04-23-2019, 04:42 PM
Replies: 52
Views: 6,988
Posted By DrZiplok
Let's see how this works out... ...

Let's see how this works out...

http://i.imgur.com/6ZPUEXrh.jpg (https://imgur.com/6ZPUEXr)
Forum: performance & modifications 03-23-2019, 02:21 AM
Replies: 67
Views: 12,167
Posted By DrZiplok
Just a couple pointers to documentation on the...

Just a couple pointers to documentation on the DRAC as a way of handling this. Will require a little soldering...

http://www.someotherplace.com/info/clusterswap/cluster.html...
Forum: performance & modifications 03-23-2019, 02:12 AM
Replies: 52
Views: 6,988
Posted By DrZiplok
Yup, diff cooler pump on the left, transmission...

Yup, diff cooler pump on the left, transmission cooler pump on the right.
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