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Search: Posts Made By: culberro
Forum: performance & modifications Yesterday, 03:25 PM
Replies: 21
Views: 269
Posted By culberro
Yeah, I figured that was the issue. Are the new...

Yeah, I figured that was the issue. Are the new rings lasting longer?
I'm curious what the changes have been.

I've experienced a few engines that had a lot of oil smoke at idle when using...
Forum: performance & modifications Yesterday, 03:22 PM
Replies: 21
Views: 269
Posted By culberro
I've heard that as well. When I worked at my dads...

I've heard that as well. When I worked at my dads machine shop we had some old Triumph motorcycle engines that would glaze the cylinders very quickly when using a specific set of rings and pistons. ...
Forum: performance & modifications Yesterday, 03:17 PM
Replies: 21
Views: 269
Posted By culberro
Lol, I knew you'd have a small crisis with the...

Lol, I knew you'd have a small crisis with the break-in procedure.

If you start the car, fiddle with the tune while it warms up, and then do some light load driving.... you'll be in ball-park of...
Forum: performance & modifications Yesterday, 03:12 PM
Replies: 21
Views: 269
Posted By culberro
Most OEMs are using rings that are very very thin...

Most OEMs are using rings that are very very thin low tension rings, usually less than 1mm thick. I can how these would still break in on whatever crosshatching that's still left in the engine... but...
Forum: performance & modifications Yesterday, 12:45 PM
Replies: 21
Views: 269
Posted By culberro
Here's another end-gap chart, this time from JE. ...

Here's another end-gap chart, this time from JE.
https://www.onallcylinders.com/2019/03/08/ask-away-with-jeff-smith-calculating-and-setting-piston-ring-gap-for-your-engine-build/

And CP coming...
Forum: performance & modifications Yesterday, 11:48 AM
Replies: 21
Views: 269
Posted By culberro
The big things with rings is that they need load...

The big things with rings is that they need load (combustion pressure) to break in.
The worst thing you can do is have a rich tune and let it idle for 20-30min while you get the tune figured out....
Forum: performance & modifications Yesterday, 11:04 AM
Replies: 21
Views: 269
Posted By culberro
That should be fine, that gives you a gap of...

That should be fine, that gives you a gap of 0.027”
Seems a little on the big side, rally car is set around 0.024”…. But that small amount isn’t going to matter.

Good ring break-in is more...
Forum: performance & modifications Yesterday, 10:35 AM
Replies: 21
Views: 269
Posted By culberro
Probably 0.005” per inch of bore diameter would...

Probably 0.005” per inch of bore diameter would be fine. Did the rings not come with a card for gap? You can also call them and they’ll tell you.

Scroll down to the bottom-ish for the wiseco chart...
Forum: maintenance & nonperformance 06-30-2022, 12:48 PM
Replies: 3
Views: 285
Posted By culberro
As k-jets said, it's most likely been swapped on...

As k-jets said, it's most likely been swapped on for performance reasons. A tb gasket for a 960 will fit it just fine.
Forum: performance & modifications 06-29-2022, 12:08 PM
Replies: 10
Views: 503
Posted By culberro
Having a hot oil idle (what rpm?) pressure of...

Having a hot oil idle (what rpm?) pressure of 1-bar doesn’t seem too scary to me.
You’re not going to have, or need, 4-bar idle pressure.
Forum: maintenance & nonperformance 06-27-2022, 05:03 PM
Replies: 1
Views: 274
Posted By culberro
I took a bolt that fit the captive nut, and then...

I took a bolt that fit the captive nut, and then drilled a pilot hole the same diameter as the pilot bit on a hole saw.
Removed the nut.
Welded new nut to the backside of a plate of metal, then...
Forum: performance & modifications 06-27-2022, 04:45 PM
Replies: 25
Views: 9,248
Posted By culberro
4" is way too long, but you could get 2-3 studs...

4" is way too long, but you could get 2-3 studs out of each one :-P

Interesting on the stud length observations.
Forum: performance & modifications 06-27-2022, 12:32 PM
Replies: 25
Views: 9,248
Posted By culberro
Update to this, switched over to the full race...

Update to this, switched over to the full race studs. Worked absolutely great. The turbo never came loose.

For some reason the flange area on the ATP housing is substantially thicker, and the...
Forum: performance & modifications 06-24-2022, 12:44 PM
Replies: 15
Views: 680
Posted By culberro
From all the single cylinder race engines I've...

From all the single cylinder race engines I've built, Motul 300V was by far the best performing oil that we tested. I never got the chance to test Liqui Moly, but I can say that 300V will go past...
Forum: performance & modifications 06-24-2022, 12:06 PM
Replies: 15
Views: 680
Posted By culberro
The pressure and loads from the higher viscosity...

The pressure and loads from the higher viscosity oil is what ate the pump up. Maybe the oil was too cold in the pan?

I’ve always ran either a 30 or 40 weight multi viscosity full synthetic oil....
Forum: performance & modifications 06-23-2022, 06:12 PM
Replies: 33
Views: 1,282
Posted By culberro
Zap zap

Zap zap
Forum: performance & modifications 06-23-2022, 04:32 PM
Replies: 33
Views: 1,282
Posted By culberro
So klr142s General Leif makes like 155whp (so...

So klr142s General Leif makes like 155whp (so assuming about 180 crank) with a modified k-jet intake (bigger tb, and some smoothing I believe).

That same engine, head, and camshaft combo will...
Forum: maintenance & nonperformance 06-23-2022, 02:28 PM
Replies: 11
Views: 585
Posted By culberro
Bonus, you get two tape measures as well.

Bonus, you get two tape measures as well.
Forum: performance & modifications 06-23-2022, 02:27 PM
Replies: 33
Views: 1,282
Posted By culberro
I'm not sure what you have for a welder, but you...

I'm not sure what you have for a welder, but you can do decent work with a spool gun and a mig with aluminum. It definitely takes practice, but it's a much lower barrier to enter with.

There's not...
Forum: performance & modifications 06-23-2022, 01:33 PM
Replies: 33
Views: 1,282
Posted By culberro
From a strength perspective, there shouldn't be...

From a strength perspective, there shouldn't be any issues with the undercut valves (reduced stem). I've ran ~52mm diameter valves with 8mm/6.5mm stems at a lot of revs without issues (pushrod V8)....
Forum: maintenance & nonperformance 06-22-2022, 05:11 PM
Replies: 11
Views: 585
Posted By culberro
I've been using a set of these for years:...

I've been using a set of these for years: https://www.jegs.com/i/JEGS/555/81680/10002/-1?gclid=CjwKCAjw-8qVBhANEiwAfjXLrlTTdqDMbXQjHO1gtok4JOcfV_2aHiwhPZBQ1U43oqTuDniFKfU3sRoCWeMQAvD_BwE

They go...
Forum: projects & restorations 06-21-2022, 12:11 PM
Replies: 566
Views: 561,076
Posted By culberro
Yep, just swap everything from the left side to...

Yep, just swap everything from the left side to the right side. If that makes sense.
So it’s like a 180, with a slide.

Check the YouTube video I posted up above.
Forum: projects & restorations 06-21-2022, 11:46 AM
Replies: 566
Views: 561,076
Posted By culberro
Change “work” gears to worm gears… darn auto...

Change “work” gears to worm gears… darn auto correct.
The side gears are the ones that have the internal splines that the axles slide into.

Now with a YouTube video explaining it!...
Forum: projects & restorations 06-20-2022, 12:04 PM
Replies: 14
Views: 765
Posted By culberro
This is rad.

This is rad.
Forum: projects & restorations 06-20-2022, 11:30 AM
Replies: 566
Views: 561,076
Posted By culberro
That might be a "Front" application, which is the...

That might be a "Front" application, which is the low torque diff. If so, you'll want to disassemble the diff and flip the side gears left to right, then reinstall the worm gears.

I bet the diff...
Forum: performance & modifications 06-20-2022, 11:27 AM
Replies: 10
Views: 588
Posted By culberro
The coleman shaft is 3/4-48, but the rack side is...

The coleman shaft is 3/4-48, but the rack side is a different spline iirc.
Forum: maintenance & nonperformance 06-15-2022, 09:05 AM
Replies: 3
Views: 471
Posted By culberro
Steel will usually be silver colored in hydraulic...

Steel will usually be silver colored in hydraulic fittings. I have seen some black coated steel, but it’s not common.

Aluminum fittings are usually blue, blue/red, black, or silver.
Forum: maintenance & nonperformance 06-15-2022, 02:38 AM
Replies: 3
Views: 471
Posted By culberro
No need for a banjo. You can use a a straight...

No need for a banjo. You can use a a straight fitting with a crush washer.

I’d be cautious about using aluminum fittings there, check the pressure ratings. PS is 1300psi or so.

You can also get...
Forum: performance & modifications 06-13-2022, 02:02 PM
Replies: 9
Views: 708
Posted By culberro
If you're using the stock 60-2 flywheel and VR...

If you're using the stock 60-2 flywheel and VR sensor, the Tooth Angle #1 should be ~ 84-86°.
So somethings up, or you have the FW installed incorrectly. Orrrrr you're 180deg out on the crank.
...
Forum: performance & modifications 06-13-2022, 12:53 PM
Replies: 13
Views: 1,024
Posted By culberro
Google image search for the pic, and look here...

Google image search for the pic, and look here (use google translate for the page)

http://www.topplocksverkstan.se/omforetaget.html

There are "standard" porting practices that you can use, and...
Forum: performance & modifications 06-12-2022, 10:39 AM
Replies: 13
Views: 1,024
Posted By culberro
Awesome, thanks!

Awesome, thanks!
Forum: performance & modifications 06-10-2022, 12:15 PM
Replies: 58
Views: 3,060
Posted By culberro
This I don't understand. That's great for you...

This I don't understand. That's great for you guys, we just never saw that good of pad life. Even at Oregon Raceway Park I'd be lucky to get 6 hours of track time out of a set of HPS pads if I was...
Forum: performance & modifications 06-09-2022, 03:42 PM
Replies: 16
Views: 1,363
Posted By culberro
The majority of the heat rejection from a...

The majority of the heat rejection from a standard caliper is through radiation and convection.

While conductive heat transfer is still a part of the picture, it is a smaller part. Think about the...
Forum: maintenance & nonperformance 06-09-2022, 02:22 PM
Replies: 56
Views: 6,586
Posted By culberro
The window frames can bend slightly with age, and...

The window frames can bend slightly with age, and they don't preload the seals as much.

You can easily yank the window frame in a few mm and preload the seals and stop the leaks. This also keeps...
Forum: aftermarket engine management 06-09-2022, 12:23 PM
Replies: 46
Views: 3,306
Posted By culberro
Lol, thanks for trying!

Lol, thanks for trying!
Forum: performance & modifications 06-08-2022, 07:15 PM
Replies: 58
Views: 3,060
Posted By culberro
I mean, if you like spending money... go for it....

I mean, if you like spending money... go for it. The Wilwood springs are less than $4/each

Just an example:
https://www.wilwood.com/hardware/hardwareprod?itemno=300-2434
Forum: performance & modifications 06-08-2022, 06:43 PM
Replies: 58
Views: 3,060
Posted By culberro
That brake feel is because you're using a...

That brake feel is because you're using a balanced system :)

But that pad knock-back is a real PITA to get around, especially as rotor sizes increase. I experienced it in the rally car as well,...
Forum: performance & modifications 06-08-2022, 05:43 PM
Replies: 58
Views: 3,060
Posted By culberro
I'll shoot you a text! It does, PM...

I'll shoot you a text!



It does, PM incoming!
Forum: aftermarket engine management 06-08-2022, 01:58 PM
Replies: 46
Views: 3,306
Posted By culberro
Found it! ...

Found it!

https://forums.turbobricks.com/showthread.php?t=268026&highlight=Aluminum+adapters+Hall+sensor+Megasquirt+EMS+systems

Can a mod pin this link to the top of the sub-forum?
Forum: maintenance & nonperformance 06-08-2022, 01:08 PM
Replies: 13
Views: 708
Posted By culberro
This is the way, you'll never use tape again. ...

This is the way, you'll never use tape again.

You can usually find the Loctite brand at most auto parts stores. It's mo money, just another option.
Forum: aftermarket engine management 06-08-2022, 01:06 PM
Replies: 46
Views: 3,306
Posted By culberro
Where did you get the adapter from? I haven't...

Where did you get the adapter from? I haven't seen any posts from them in a while.

We now have an intermittent ignition issue on the rally car. May just be a LS coil failing from the heat.. again....
Forum: maintenance & nonperformance 06-08-2022, 11:24 AM
Replies: 13
Views: 708
Posted By culberro
They’re just a pipe style fitting. Use some PTFE...

They’re just a pipe style fitting. Use some PTFE paste or tape on the threads.
Forum: performance & modifications 06-07-2022, 10:51 AM
Replies: 58
Views: 3,060
Posted By culberro
To the computer!!!!! Uhhhh?. Does anyone...

To the computer!!!!!

Uhhhh?. Does anyone have a 740 strut and hub I can use 🤣
Forum: performance & modifications 06-06-2022, 07:55 PM
Replies: 58
Views: 3,060
Posted By culberro
This. In 3-4 races the wilwood kit on the...

This.

In 3-4 races the wilwood kit on the rally car paid for itself. In rally we were getting ~4hrs of racing out of a set of front pads (Hawk blue, blacks, or DTC-60s). Rotors with every pad...
Forum: performance & modifications 06-06-2022, 01:46 PM
Replies: 58
Views: 3,060
Posted By culberro
That's good to know on the pressures, and that...

That's good to know on the pressures, and that all seems to make sense as far as models and rear weight added.
I'm assuming those pressures are the break-over/knee points in pressure.
Forum: performance & modifications 06-06-2022, 12:54 PM
Replies: 58
Views: 3,060
Posted By culberro
The radius for clamping is ~1.3" more than a...

The radius for clamping is ~1.3" more than a stock 240, and that's where the biggest change comes from. Both of these combined increase the front bias to ~45% higher than a stock 240.

While this...
Forum: performance & modifications 06-03-2022, 11:25 AM
Replies: 58
Views: 3,060
Posted By culberro
I'd recommend this kit, in the 310mm/ 12.19in...

I'd recommend this kit, in the 310mm/ 12.19in rotor size: https://www.stsmachininginc.com/collections/test-240/products/wilwood-front-240-brake-kits

It has offers slightly more front brake bias...
Forum: performance & modifications 06-03-2022, 10:14 AM
Replies: 58
Views: 3,060
Posted By culberro
The R calipers shift the bias drastically to the...

The R calipers shift the bias drastically to the front when using a stock MC, and you get a squishy pedal. They work, but it is not what I would want for a track day car.
Forum: maintenance & nonperformance 06-03-2022, 09:32 AM
Replies: 21
Views: 1,082
Posted By culberro
That is right in the ball park there they need to...

That is right in the ball park there they need to be.
You are good to go!
Forum: performance & modifications 06-02-2022, 07:49 PM
Replies: 58
Views: 3,060
Posted By culberro
Stock calipers offer plenty of power for track...

Stock calipers offer plenty of power for track use, they just can’t handle the heat as you found.
I’ve melted the boots off a set of front calipers on the turbo 242 while at a track day.

Ducting...
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