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Forum: performance & modifications 04-20-2021, 01:21 AM
Replies: 28
Views: 6,054
Posted By DrZiplok
More carnage pics from #5... no, I'll leave you...

More carnage pics from #5... no, I'll leave you alone for once. 8)

I thought I saw the Flying Moose in a couple of PittRace clips, but closer inspection showed it was driving the wrong wheels. So,...
Forum: performance & modifications 04-18-2021, 07:10 PM
Replies: 28
Views: 6,054
Posted By DrZiplok
[deleted - it was Ben's 850, not TFM at Pitt]

[deleted - it was Ben's 850, not TFM at Pitt]
Forum: performance & modifications 04-06-2021, 10:38 PM
Replies: 46
Views: 9,845
Posted By DrZiplok
That hasn't been my experience, but perhaps...

That hasn't been my experience, but perhaps you're not getting your tires warm enough before you try braking. 8)

Seriously though, you make a good point; personal preference and specific...
Forum: performance & modifications 04-05-2021, 03:21 PM
Replies: 66
Views: 27,397
Posted By DrZiplok
Lots of contributing factors, but we improved our...

Lots of contributing factors, but we improved our best lap ~8s over the last outing there (2019). All five drivers posted significantly better times, and more importantly all five reported...
Forum: performance & modifications 04-05-2021, 02:58 PM
Replies: 46
Views: 9,845
Posted By DrZiplok
IMO 240s have too much rear bias to start with,...

IMO 240s have too much rear bias to start with, so this is not necessarily a terrible thing...
Forum: performance & modifications 04-04-2021, 09:49 PM
Replies: 40
Views: 12,725
Posted By DrZiplok
Pad knockback won't give you those symptoms. ...

Pad knockback won't give you those symptoms. What pads are you using? I hate to ask, but did you make sure they were in the right way around? What you're describing is exactly what I'd expect if...
Forum: performance & modifications 04-04-2021, 08:50 PM
Replies: 66
Views: 27,397
Posted By DrZiplok
Today with the second iteration of our Panhard...

Today with the second iteration of our Panhard relocation we had a learning. Those gussets in the Grp A photos aren't overkill.

http://i.imgur.com/xh4BVdSb.jpg (https://imgur.com/xh4BVdS)
Forum: performance & modifications 03-30-2021, 02:04 AM
Replies: 62
Views: 30,967
Posted By DrZiplok
We have not added a splitter; several of our...

We have not added a splitter; several of our drivers are a bit too keen when it comes to off-roading, and we'd be needing a collection of spares every weekend.

I did take a late-model plastic...
Forum: performance & modifications 03-30-2021, 01:50 AM
Replies: 28
Views: 6,054
Posted By DrZiplok
Coming a bit late to this thread, but that's our...

Coming a bit late to this thread, but that's our car in the linked thread above. Randy drove it at one point and we commiserated later about what a piece of junk the Wavetrac had turned out to be in...
Forum: performance & modifications 11-27-2020, 01:57 PM
Replies: 18
Views: 3,036
Posted By DrZiplok
With the setup you have, the effect is going to...

With the setup you have, the effect is going to be mostly psychological. You can't drive the car "hard" enough on public roads for this change to make much of a difference unless other parts of the...
Forum: performance & modifications 10-21-2020, 08:17 PM
Replies: 68
Views: 23,359
Posted By DrZiplok
Sorry for missing this. If you've got room for a...

Sorry for missing this. If you've got room for a "big enough" radiator, and you're not worried about oil-water heat exchanger failure, then sure. But most stock radiators aren't big enough for track...
Forum: performance & modifications 10-20-2020, 08:04 PM
Replies: 29
Views: 5,093
Posted By DrZiplok
25/0, 200hp 240 wagon, track car, Ben at all 4...

25/0, 200hp 240 wagon, track car, Ben at all 4 corners. Ramp LSD, 550/350 springs, lots of front camber.

Have a 25mm rear sitting on the shelf somewhere (NorCal) that I can't see us ever using....
Forum: performance & modifications 10-05-2020, 02:58 PM
Replies: 53
Views: 19,957
Posted By DrZiplok
This is a freshly-built stick with a Gripper in...

This is a freshly-built stick with a Gripper in it. Diff bearing slop wouldn't allow this much angularity / give.

I think there has to be some give in the bearing that allows the axle to bend a...
Forum: performance & modifications 09-29-2020, 06:43 PM
Replies: 53
Views: 19,957
Posted By DrZiplok
The lock ring issue is, I think, just that the...

The lock ring issue is, I think, just that the rings that came with these ("green") bearings are substantially wider (I didn't check their OD, they might also be fatter) and they intrude into an...
Forum: performance & modifications 09-29-2020, 04:09 PM
Replies: 53
Views: 19,957
Posted By DrZiplok
The tapered original bearing is the SKF part that...

The tapered original bearing is the SKF part that led to this thread. The RW131R is pictured in a post above; they seemed to work OK.

This weekend we ran with a fresh rear stick using some NOS...
Forum: performance & modifications 09-26-2020, 07:29 PM
Replies: 62
Views: 30,967
Posted By DrZiplok
The "tarmac race" spec (40/65, 120Nm).

The "tarmac race" spec (40/65, 120Nm).
Forum: performance & modifications 09-26-2020, 03:12 PM
Replies: 62
Views: 30,967
Posted By DrZiplok
Necro'ing my old thread, but the answer we've...

Necro'ing my old thread, but the answer we've reached is a Gripper and a 60" wing off an old Radical. No more RR wheelspin.

Our engine's the regular cast M52. Nothing special there. Rake is...
Forum: performance & modifications 09-16-2020, 02:05 AM
Replies: 15
Views: 3,352
Posted By DrZiplok
1" square aluminium stock. Drill two holes, file...

1" square aluminium stock. Drill two holes, file one corner.

Necessary for non-droop sway and low CoG M5x swap, for example.
Forum: performance & modifications 09-16-2020, 02:01 AM
Replies: 10
Views: 3,108
Posted By DrZiplok
Adapters are pretty much essential. 17x8 requires...

Adapters are pretty much essential. 17x8 requires minimal fender massaging. I am a happy fan of the Motegi MR131s on adapters; I've bought them as low as $110 a corner, they're light and quite...
Forum: performance & modifications 08-22-2020, 02:24 PM
Replies: 64
Views: 18,044
Posted By DrZiplok
I am looking forward to agreeing with you. Noisy...

I am looking forward to agreeing with you. Noisy is the least of our worries. 8)
Forum: performance & modifications 08-18-2020, 04:36 PM
Replies: 64
Views: 18,044
Posted By DrZiplok
It's not "reasonable money", but Gripper (in the...

It's not "reasonable money", but Gripper (in the UK) do Volvo-compatible 2-way ramp diffs. Will report on how well it works (or doesn't) once the anti-maskers have killed each other off and we can go...
Forum: performance & modifications 08-14-2020, 10:25 PM
Replies: 11
Views: 4,151
Posted By DrZiplok
The factory front / rear track width ratio is not...

The factory front / rear track width ratio is not optimal from a 'handling' perspective; it's not terrible, but going wider at the back is easier than narrower, and if you're planning on widening the...
Forum: performance & modifications 07-24-2020, 09:18 PM
Replies: 68
Views: 23,359
Posted By DrZiplok
Just saying; if you are pushing hard enough to...

Just saying; if you are pushing hard enough to need to worry about this, you will want to run a real oil cooler.

A lot cheaper than a cooked engine, or a even just a wasted track day.
Forum: performance & modifications 07-24-2020, 01:38 PM
Replies: 68
Views: 23,359
Posted By DrZiplok
If you have to ask, it means you aren't running...

If you have to ask, it means you aren't running an oil cooler. You should run an oil cooler. 8)
Forum: performance & modifications 07-18-2020, 10:10 PM
Replies: 15
Views: 9,760
Posted By DrZiplok
I do 8) PM me an email address and I'll...

I do 8)

PM me an email address and I'll shoot you the files. Haven't been around much, sorry.
Forum: performance & modifications 07-18-2020, 10:07 PM
Replies: 68
Views: 23,359
Posted By DrZiplok
Same issue with the M52; nobody on the team was...

Same issue with the M52; nobody on the team was willing to try their hands welding the aluminium oil pan, so we went Accusump as well. Packaging is a bit tight, but it seems to do the trick.
Forum: performance & modifications 12-11-2019, 02:50 PM
Replies: 2
Views: 1,715
Posted By DrZiplok
Which "S60 flexible line" are you using? The...

Which "S60 flexible line" are you using? The factory line, or a third-party part?

Is the nut going all the way into the fitting on the flex? There should still be some thread visible. If the flats...
Forum: performance & modifications 11-17-2019, 11:01 PM
Replies: 39
Views: 13,616
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: 27,737
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: 27,737
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: 3,793
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: 2,453
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: 4,714
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: 62
Views: 30,967
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: 5,351
Posted By DrZiplok
JFYI, Stoptech is Centric.

JFYI, Stoptech is Centric.
Forum: performance & modifications 08-24-2019, 01:52 AM
Replies: 9
Views: 2,505
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: 62
Views: 30,967
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: 10,620
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: 10,620
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: 10,620
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: 10,620
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: 53
Views: 19,957
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: 3,750
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: 3,750
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: 3,750
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: 3,750
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: 8,086
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: 8,086
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: 66
Views: 27,397
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: 8,086
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.
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