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Search: Posts Made By: mck1117
Forum: performance & modifications 09-13-2019, 10:21 PM
Replies: 13
Views: 3,291
Posted By mck1117
And the first run on microRusefi was on my 240! ...

And the first run on microRusefi was on my 240!

https://www.youtube.com/watch?v=YD1suLdczv8
Forum: performance & modifications 07-22-2019, 10:44 PM
Replies: 52
Views: 5,085
Posted By mck1117
I tried to be smart and disable logging channels...

I tried to be smart and disable logging channels I didn't need - but accidentally disabled logging AFR in the process. However I was running auto tune the first two sessions, so it got the fueling...
Forum: performance & modifications 07-22-2019, 10:43 PM
Replies: 52
Views: 5,085
Posted By mck1117
For some reason I thought I had a 3.54 (which...

For some reason I thought I had a 3.54 (which isn't great anyway), but I looked it up and my car should actually have a 3.31 (though it has no sticker on it, so who knows). I think my real problem...
Forum: performance & modifications 07-18-2019, 04:05 AM
Replies: 52
Views: 5,085
Posted By mck1117
It is! However, bigger can mean controllability...

It is! However, bigger can mean controllability problems at the bottom end where a small change in angle causes a very large change in area, which makes it hard to putter around (but will make power...
Forum: performance & modifications 07-17-2019, 03:47 AM
Replies: 52
Views: 5,085
Posted By mck1117
Finally did some actual tuning on the car! Got a...

Finally did some actual tuning on the car! Got a few hours of driving in today with the computer connected, and the VE table is now close enough.

Conclusions:

This cam is big.
I need a...
Forum: performance & modifications 07-04-2019, 04:36 AM
Replies: 13
Views: 1,986
Posted By mck1117
I took off 0.090"=2.25mm. Just a little bit of...

I took off 0.090"=2.25mm. Just a little bit of cleanup, no serious work to the chamber. Stock gasket. All done and told I think it comes out to around 11.5:1.

I think I shimmed it around 16-17...
Forum: performance & modifications 07-04-2019, 04:12 AM
Replies: 52
Views: 5,085
Posted By mck1117
I should have time this weekend to go for a real...

I should have time this weekend to go for a real drive. Brakes are bled, seat is bolted down, just need to mount the coils and put the doors back on...

edit: and that timing sounds right, 27-30...
Forum: performance & modifications 07-01-2019, 02:31 PM
Replies: 13
Views: 1,986
Posted By mck1117
I'm that person :) I have an S5/T5 in my 240...

I'm that person :)

I have an S5/T5 in my 240 racecar. 11.5:1 compression, mild port 530 head B230. Mind you when they say race only, they *mean* race only. It doesn't idle below 1200rpm.

The...
Forum: performance & modifications 06-28-2019, 04:37 PM
Replies: 52
Views: 5,085
Posted By mck1117
Yeah - I'm mostly just interested in roughly how...

Yeah - I'm mostly just interested in roughly how much timing it needs up in the top few rows. The cam is so big that it likes idling around 25 degrees anyway, so I think my whole timing map might...
Forum: performance & modifications 06-28-2019, 04:12 AM
Replies: 52
Views: 5,085
Posted By mck1117
Want to share the rough shape of your ignition...

Want to share the rough shape of your ignition timing map? My car is slightly more compression and slightly larger cam, but otherwise pretty similar.

(I mostly want to steal your timing map so you...
Forum: performance & modifications 05-29-2019, 06:34 PM
Replies: 38
Views: 2,259
Posted By mck1117
How is it? I'm in need of a master cylinder and...

How is it? I'm in need of a master cylinder and will go big brake eventually, so I might just skip to the mustang master on the stock brakes. My car is non-ABS. What is it like with the mustang...
Forum: performance & modifications 03-17-2019, 04:44 AM
Replies: 52
Views: 6,201
Posted By mck1117
Remember, for there to be torque applied to the...

Remember, for there to be torque applied to the driveshaft, there has to be grip. If the right rear wheel is spinning, there can't be any meaningful amount of torque being applied to the driveshaft.
Forum: performance & modifications 03-16-2019, 06:40 PM
Replies: 52
Views: 6,201
Posted By mck1117
Me too, as I've also observed my rear-slammed-240...

Me too, as I've also observed my rear-slammed-240 to pick up the right rear when in hard right hand corners. Which I observed at an autocross after installing some suspension before I prove out the...
Forum: performance & modifications 03-14-2019, 01:49 AM
Replies: 52
Views: 6,201
Posted By mck1117
And a drawing: https://imgur.com/J0UA8Ve.jpg...

And a drawing:

https://imgur.com/J0UA8Ve.jpg

This is an extreme case for sake of explanation, but it illustrates the point. If you lower the car so far that the panhard bar points straight at...
Forum: performance & modifications 03-14-2019, 01:39 AM
Replies: 15
Views: 1,825
Posted By mck1117
RPM difference when the converter locks depends...

RPM difference when the converter locks depends upon load. If you're coasting, it will be negative (engine spins faster when TC locked).

The math is pretty straight forward to figure it out...
Forum: performance & modifications 03-14-2019, 01:30 AM
Replies: 52
Views: 6,201
Posted By mck1117
This is a thing that Panhard bars do. Your...

This is a thing that Panhard bars do. Your options are:

Move the right side of the panhard bar downward.
Switch to something symmetrical instead of a Panhard bar like a Watts link, Mumford,...
Forum: performance & modifications 03-13-2019, 10:05 PM
Replies: 52
Views: 6,201
Posted By mck1117
The only way to fix it is lower the rear roll...

The only way to fix it is lower the rear roll center. You can reduce the sprung weight transfer in the rear to zero, and still have a problem if the roll center is high enough (which it may be, on...
Forum: performance & modifications 02-27-2019, 07:39 PM
Replies: 13
Views: 1,986
Posted By mck1117
Not only will hushers not work, if you're...

Not only will hushers not work, if you're thinking of running a cam like a KL, you stopped caring about valvetrain noise years ago.
Forum: maintenance & nonperformance 02-12-2019, 06:08 PM
Replies: 5
Views: 686
Posted By mck1117
The reason you add an external fluid/air cooler...

The reason you add an external fluid/air cooler before the water/fluid cooler in the radiator is that the coolant temperature helps regulate the temperature of fluid returning to the transmission ...
Forum: performance & modifications 02-07-2019, 08:57 PM
Replies: 10
Views: 1,923
Posted By mck1117
That's a pilot bearing. That bearing goes in the...

That's a pilot bearing. That bearing goes in the back of the crankshaft, and supports the forward tip of the transmission input shaft. That's what the pilot bearing I used looks like in my t5 swap....
Forum: performance & modifications 01-27-2019, 06:45 AM
Replies: 6
Views: 1,376
Posted By mck1117
The "steering" of the rods describes how the rod...

The "steering" of the rods describes how the rod is located axially. Without either end steered, the rod can float front to back on the crankshaft and wrist pin. The b23 had crank steered rods,...
Forum: performance & modifications 01-16-2019, 07:42 PM
Replies: 7
Views: 962
Posted By mck1117
Indeed it is! I did it on my 8v because I...

Indeed it is! I did it on my 8v because I couldn't get shims thin enough for 4mm lash caps and my giant cam, so I had to take 5-10 thou off of the lash caps. It was very satisfying getting every...
Forum: performance & modifications 01-10-2019, 11:06 PM
Replies: 16
Views: 1,808
Posted By mck1117
A multimeter isn't fast enough to "see" what's...

A multimeter isn't fast enough to "see" what's actually going on. You'd need an oscilloscope to see the truth, but the quoted numbers seem within reason, so I think you're fine.



Same one I'm...
Forum: performance & modifications 01-10-2019, 08:33 PM
Replies: 16
Views: 1,808
Posted By mck1117
what you're seeing as a "random blip of 1v" is in...

what you're seeing as a "random blip of 1v" is in fact a 5v pulse that occurs once per revolution, with a duration of something like 3-6 milliseconds (about 1/200 of a second). It's way too fast for...
Forum: maintenance & nonperformance 12-07-2018, 02:59 PM
Replies: 69
Views: 4,784
Posted By mck1117
There's an obvious solution here. See if the...

There's an obvious solution here. See if the marks on the head line up with the marks on the piston. If so, FOD! If not, det!
Forum: maintenance & nonperformance 12-05-2018, 06:05 PM
Replies: 8
740: idle speed
Views: 940
Posted By mck1117
Yep, 750 is pretty normal. Mine's up around...

Yep, 750 is pretty normal. Mine's up around 900-1000, because I have a lightweight flywheel and get mad vibration and gearbox rattle if I go lower.
Forum: performance & modifications 10-19-2018, 04:16 PM
Replies: 14
Views: 1,741
Posted By mck1117
Think about it this way: if the hub was...

Think about it this way: if the hub was supporting the load of the car, the fit would have to be so tight you'd need a hydraulic press to install the wheels. Nothing with the super loose slip fit...
Forum: performance & modifications 10-18-2018, 06:16 PM
Replies: 14
Views: 1,741
Posted By mck1117
You don't need the center bore to match (so long...

You don't need the center bore to match (so long as the wheel is larger than the hub). The lugs do the actual centering, and the center bore is merely a convenience for installing the wheels. You...
Forum: performance & modifications 10-15-2018, 01:44 PM
Replies: 11
Views: 2,639
Posted By mck1117
1. 1999-2002 Range Rover and 1999-2004 Land Rover...

1. 1999-2002 Range Rover and 1999-2004 Land Rover Discovery. They're a v8, so they have two of the Bosch coils. They do exist in junkyards, but they're ultra difficult to get out from between the...
Forum: performance & modifications 10-14-2018, 04:19 AM
Replies: 16
Views: 2,513
Posted By mck1117
Yep. I'm not sure how much because I honestly...

Yep. I'm not sure how much because I honestly don't remember how tall it was stock. I think it's around 1.5" lower than stock. Distance from the ground to the lower control arm bolt (front) is 7...
Forum: performance & modifications 10-12-2018, 06:26 PM
Replies: 16
Views: 2,513
Posted By mck1117
Here's 205/50R16. They're a bit small, but I'm...

Here's 205/50R16. They're a bit small, but I'm fine with it.

https://i.imgur.com/io7qdKw.jpg
Forum: maintenance & nonperformance 09-04-2018, 01:22 PM
Replies: 41
Views: 4,856
Posted By mck1117
If that's it, I have an M cam in Kirkland I'll...

If that's it, I have an M cam in Kirkland I'll give you for $3.
Forum: maintenance & nonperformance 08-31-2018, 11:25 PM
Replies: 13
Views: 1,018
Posted By mck1117
Yes, it goes thru hole B. My car has the parcel...

Yes, it goes thru hole B. My car has the parcel shelf cut out (roll cage time!), but harness hasn't been moved.

From the back seat:

https://imgur.com/FKVu5wW.jpg

From the trunk, looking...
Forum: performance & modifications 08-24-2018, 12:32 PM
Replies: 20
Views: 2,697
Posted By mck1117
They came behind the v8 Caddy SUVs, but those...

They came behind the v8 Caddy SUVs, but those used a Northstar, not an SBC derivative. The Northstar uses the "GM Metric" bellhousing pattern that's also used on the v6 stuff.
Forum: performance & modifications 08-23-2018, 06:50 PM
Replies: 20
Views: 2,697
Posted By mck1117
Nope, it uses the smaller v6 pattern, not the...

Nope, it uses the smaller v6 pattern, not the chevy small/big block pattern like on the 4l60, 4l80, and 6l80.
Forum: performance & modifications 08-23-2018, 11:55 AM
Replies: 20
Views: 2,697
Posted By mck1117
The 6Lxx transmissions use an internal...

The 6Lxx transmissions use an internal transmission controller, and quite a bit more intelligent (and complicated) shifting logic than the older 4 speed units. While I'd love to run one as well,...
Forum: performance & modifications 08-20-2018, 07:25 PM
Replies: 6
Views: 1,273
Posted By mck1117
Okay, I did some sleuthing. All 1995 and later...

Okay, I did some sleuthing. All 1995 and later Volvos use CHF11s. Some even list ATF or Pentosin, so long as they aren't mixed in the system at the same time.

The 960 uses the same pump as a...
Forum: performance & modifications 08-20-2018, 02:34 PM
Replies: 6
Views: 1,273
Posted By mck1117
Power Steering Fluid Compatibility

Because I hate myself, I'm considering converting to electrohydraulic power steering (I hate belts!). The v50/s60/c70 used an electric hydraulic pump with integral reservoir, except that those cars...
Forum: performance & modifications 08-03-2018, 04:50 PM
Replies: 39
Views: 4,974
Posted By mck1117
Like EvilEvo said, from the factory the...

Like EvilEvo said, from the factory the suspension geometry has a bunch of compromises on these cars (and most cars, as a general rule). With the roll axis so steeply inclined, the handling can't...
Forum: performance & modifications 08-03-2018, 04:33 PM
Replies: 17
Views: 2,637
Posted By mck1117
I'm not convinced. Think about where the forces...

I'm not convinced. Think about where the forces are going while tightening the nut/bolt. There's a component that torsionally loads the shank of the bolt or stud, and a portion that clamps the head...
Forum: maintenance & nonperformance 08-03-2018, 04:26 PM
Replies: 24
Views: 2,513
Posted By mck1117
It's at least worth a shot soaking some marvel...

It's at least worth a shot soaking some marvel mystery oil to try and unstick a ring. If that doesn't fix it, then you have a more permanent ring problem.
Forum: maintenance & nonperformance 08-03-2018, 02:22 PM
Replies: 24
Views: 2,513
Posted By mck1117
Well at this point either: 1) the head gasket...

Well at this point either:
1) the head gasket is blown, unlikely
2) a ring is broken
3) one or more rings are severely stuck

The solution to all of these problems is either a) despair (cases 1,...
Forum: performance & modifications 08-03-2018, 02:18 PM
Replies: 39
Views: 4,974
Posted By mck1117
Yes, making the front end stiff helps keep the...

Yes, making the front end stiff helps keep the rear wheels on the ground so that you can actually put power down. The rear end has a very high roll center, so it's like it already has a big sway...
Forum: maintenance & nonperformance 08-02-2018, 06:56 PM
Replies: 24
Views: 2,513
Posted By mck1117
Did it clear up after running for a bit?

Did it clear up after running for a bit?
Forum: maintenance & nonperformance 08-02-2018, 03:16 PM
Replies: 11
Views: 997
Posted By mck1117
Oh per inch, yeah .025-.030 sounds right.

Oh per inch, yeah .025-.030 sounds right.
Forum: performance & modifications 08-02-2018, 02:31 PM
Replies: 39
Views: 4,974
Posted By mck1117
Yep. It's not totally inaccurate to think of a...

Yep. It's not totally inaccurate to think of a high roll center as a "large sway bar" and a low roll center to be a "small sway bar". If you put the RCs at the height of the center of gravity, the...
Forum: maintenance & nonperformance 08-02-2018, 01:32 PM
Replies: 11
Views: 997
Posted By mck1117
Those are either extremely tight, or you have an...

Those are either extremely tight, or you have an extra zero and they're extremely loose.
Forum: performance & modifications 08-02-2018, 11:27 AM
Replies: 39
Views: 4,974
Posted By mck1117
The rear roll center is so high and the front so...

The rear roll center is so high and the front so low that you need a massive front and little to no rear to compensate. The roll center and sway bars both have the same effect on weight transfer,...
Forum: performance & modifications 08-01-2018, 12:16 PM
Replies: 39
Views: 4,974
Posted By mck1117
The fancy GrA dampers help, and race tracks are...

The fancy GrA dampers help, and race tracks are also much, much smoother than the average road that you drive on. I bet the car also ran a massive front sway bar, and a tiny or non existent rear.
Forum: maintenance & nonperformance 07-26-2018, 05:07 PM
Replies: 25
Views: 2,862
Posted By mck1117
Oil pressure has nothing to do at all with...

Oil pressure has nothing to do at all with CRANKCASE pressure.

Your oil pressure is the pressure of the oil past the oil pump: in the filter, cooler, bearings, oil squirters, etc.

Crankcase...
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