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Search: Posts Made By: Norm Peterson
Forum: 4.6L V8 Technical Discussions 07-17-2018, 04:39 PM
Replies: 5
Views: 197
Posted By Norm Peterson
If you've got a dead band at the beginning of...

If you've got a dead band at the beginning of pedal motion, throttle enhancement devices and tunes aren't going to fix that.

If it's not a dead band issue and you simply want more throttle...
Forum: S197 Handling Section 07-17-2018, 07:18 AM
Replies: 1
Views: 175
Posted By Norm Peterson
What kind of track - dragstrip or road course? ...

What kind of track - dragstrip or road course?

I'm going to suggest driving it the way it is for a while, and try to determine if there are things the car does in your driving that it shouldn't...
Forum: 3.7L V6 Technical Discussions 07-15-2018, 09:43 AM
Replies: 17
Views: 312
Posted By Norm Peterson
Most people can feel at least a little difference...

Most people can feel at least a little difference going from just 3.55's to 3.73's.

Going from 2.73's to 3.73's gives about the same difference in "oomph" as you get by dropping from 5th gear to...
Forum: Wheels & Tires 07-13-2018, 01:40 PM
Replies: 4
Views: 125
Posted By Norm Peterson
Not sure what the non-LS Boss ran for wheel...

Not sure what the non-LS Boss ran for wheel widths, but I would not suggest going any narrower. IIRC, the Laguna Seca Boss ran 19 x 9's up front and 19 x 10's out back.

If there's any chance of...
Forum: Wheels & Tires 07-13-2018, 07:01 AM
Replies: 4
Views: 125
Posted By Norm Peterson
Ford Performance is probably your best bet (used...

Ford Performance is probably your best bet (used to be called Ford Racing Performance Parts or something like that).

Other than that, you'd probably be looking at buying a whole set of wheels. ...
Forum: Wheels & Tires 07-10-2018, 07:14 AM
Replies: 2
Views: 196
Posted By Norm Peterson
275/35's need to be on wheels at least 9" wide. ...

275/35's need to be on wheels at least 9" wide. On 8" wide wheels up front, expect steering response and precision to be somewhat . . . "soft" and maybe a bit unsatisfying to drive on out on...
Forum: S197 Handling Section 07-08-2018, 07:37 AM
Replies: 12
Views: 1,122
Posted By Norm Peterson
Weight transfer plus static weight distribution,...

Weight transfer plus static weight distribution, actually. Below half a tank, your car's static weight distribution is some small amount more forward-biased (something like 0.7%).

I suppose...
Forum: S197 Handling Section 07-07-2018, 07:34 AM
Replies: 12
Views: 1,122
Posted By Norm Peterson
You're running less grippy pads up front to delay...

You're running less grippy pads up front to delay rear lockup?

If you need to solve a rear lockup issue, why wouldn't you use higher-grip pads up front with lower grip pads out back? 2's up...
Forum: S197 Handling Section 07-06-2018, 06:53 AM
Replies: 12
Views: 1,122
Posted By Norm Peterson
Did they explain why they were not recommending...

Did they explain why they were not recommending their next step up?


For that matter, exactly what is their next step up? I can't find out much starting from Pagid's RSL29 page except that the...
Forum: 2005-2014 Mustangs 07-04-2018, 08:12 AM
Replies: 7
Views: 430
Posted By Norm Peterson
This wear pattern on both rear tires could have...

This wear pattern on both rear tires could have several causes. Hard cornering + slight underinflation or slightly positive rear camber is what first comes to mind. Hard cornering + wheels not...
Forum: GT S197 General Discussion 07-01-2018, 11:21 AM
Replies: 4
Views: 233
Posted By Norm Peterson
I really meant to post 'struts' and 'strut...

I really meant to post 'struts' and 'strut mounts'. Previous post edited to suit.

I've been working on cars off and on since the time when U.S domestic cars were not strut-suspension. Sorry if...
Forum: GT S197 General Discussion 07-01-2018, 09:35 AM
Replies: 4
Views: 233
Posted By Norm Peterson
Springs are completely interchangeable for...

Springs are completely interchangeable for physical fit as far as I know. It's the struts and upper strut mounts that got changed for 2011 for non-GT500 Mustangs.


Norm
Forum: S197 Handling Section 06-27-2018, 08:24 AM
Replies: 12
Views: 1,122
Posted By Norm Peterson
That's what they look like, but I'm hoping that...

That's what they look like, but I'm hoping that OP will either confirm or deny.

A short technical track may not be allowing enough cooling, and the temperature-mu curve that comes up on the pagid...
Forum: S197 Handling Section 06-26-2018, 07:06 AM
Replies: 2
Views: 300
Posted By Norm Peterson
Some disassembly required, but I'm betting that...

Some disassembly required, but I'm betting that at least one of the inner sleeves that run through the poly bushings is just a little shorter than the poly that it runs through. Make the poly pieces...
Forum: S197 Handling Section 06-07-2018, 07:30 AM
Replies: 17
Views: 1,303
Posted By Norm Peterson
You're going in the right direction for a...

You're going in the right direction for a poly/poly configuration. I found that 1/8" holes were still too small (too much roll stiffness remained), though the S197's rear geometry might be OK with...
Forum: S197 Handling Section 06-06-2018, 04:26 PM
Replies: 17
Views: 1,303
Posted By Norm Peterson
You'd have to do a brief structural analysis to...

You'd have to do a brief structural analysis to find out what the torsional stiffness/flexibility of the metal part of an LCA might be. From that you might be able to estimate what it would compare...
Forum: 2005-2014 Mustangs 06-06-2018, 09:33 AM
Replies: 2
Views: 496
Posted By Norm Peterson
With any polyurethane bushing, make sure that the...

With any polyurethane bushing, make sure that the poly is a tiny bit shorter than the metal sleeve that runs through the inside of it. The bolt is supposed to be clamping the sleeve between the...
Forum: S197 Handling Section 06-06-2018, 09:07 AM
Replies: 17
Views: 1,303
Posted By Norm Peterson
My hat's off to you for those . . . both are...

My hat's off to you for those . . . both are outside my comfort zone and probably have been for decades.


The tire absolutely will deflect at the top, though it won't be by nearly as much as at...
Forum: S197 Handling Section 06-05-2018, 08:49 AM
Replies: 17
Views: 1,303
Posted By Norm Peterson
Lane-detection would drive me nuts. Driving on...

Lane-detection would drive me nuts. Driving on the street with the same philosophy as you would on the track (just at a slower pace) also seems to pay dividends on the track, at least once you've...
Forum: S197 Handling Section 06-04-2018, 05:03 PM
Replies: 17
Views: 1,303
Posted By Norm Peterson
When I first got my '08 I already had plans for...

When I first got my '08 I already had plans for the 18x9.5 GT500 wheels for that year, along with 255/45-18 max performance tires (I ended up with the original Goodyear Eagle F1 Asymmetrics). An...
Forum: S197 Handling Section 06-04-2018, 08:03 AM
Replies: 17
Views: 1,303
Posted By Norm Peterson
Can you describe what you mean by "swagging from...

Can you describe what you mean by "swagging from side to side" and provide some information on wheel and tire sizes?

I'm afraid that I don't know enough about Roush shocks to comment directly. ...
Forum: S197 Handling Section 05-31-2018, 05:29 PM
Replies: 11
Views: 835
Posted By Norm Peterson
The Ford Racing literature claims them to be...

The Ford Racing literature claims them to be slightly stiffer - I suppose it's possible that the same molds were used but every so often a batch was run with higher durometer rubber.

Then again,...
Forum: S197 Handling Section 05-31-2018, 07:38 AM
Replies: 11
Views: 835
Posted By Norm Peterson
Good brake feel seems to be a ways down the list...

Good brake feel seems to be a ways down the list of priorities for most OE brake systems, well below more consumer-oriented aspects such as dusting and noise generation. As long as the car stops,...
Forum: S197 Handling Section 05-31-2018, 07:14 AM
Replies: 11
Views: 835
Posted By Norm Peterson
The silver GT500 arms may look exactly the same,...

The silver GT500 arms may look exactly the same, but they are not the same in at least one important respect - the bushings in the GT500 arms are a bit stiffer than regular-production GT. Just not...
Forum: 5.0L V8 Technical Discussions 05-28-2018, 08:42 AM
Replies: 2
Views: 325
Posted By Norm Peterson
I'm pretty sure your wheels are only 8" wide,...

I'm pretty sure your wheels are only 8" wide, which limits you to either 245/45-18 or 255/45-18. With those 45-series sizes, you'll gain some actual tread width on the ground but the sidewall won't...
Showing results 1 to 25 of 500

 
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