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Search: Keyword(s): ; Posts Made By: randycat99
Forum: General Challenger Discussion   08-29-2015, 06:04 PM
Replies: 78
Views: 6,865
Posted By randycat99
How'bout that flat-plane crank v8 in the GT350?...

How'bout that flat-plane crank v8 in the GT350? Do you think it will make some waves?
Forum: General Challenger Discussion   08-29-2015, 05:56 PM
Replies: 63
Views: 2,428
Posted By randycat99
Is there a bing-bing-bing-bing chime if you exit...

Is there a bing-bing-bing-bing chime if you exit the car while the car is running?
Forum: Wheels, Tires, Brakes, and Suspension   08-27-2015, 10:08 AM
Replies: 17
Views: 884
Posted By randycat99
I have another theory that when you combine a...

I have another theory that when you combine a very sticky compound with an especially rigid tread/sidewall ply construction (for enhanced cornering/transient handling behavior), it becomes a ****tail...
Forum: 6.4L / 392ci (2011 - ?)   08-26-2015, 07:41 PM
Replies: 18
Views: 917
Posted By randycat99
So this is for real (official), now...the A8's...

So this is for real (official), now...the A8's have now joined the party with wheel hop issues?

Has anybody ever tried rear tires on 18" wheels? Maybe the extra sidewall height is just enough to...
Forum: Wheels, Tires, Brakes, and Suspension   08-26-2015, 07:24 PM
Replies: 17
Views: 884
Posted By randycat99
Has anybody ever figured out if the manual RT's...

Has anybody ever figured out if the manual RT's on 18" wheels (if that combo exists) ever show wheel hop issues? If there is any trend there, maybe "a" answer is more sidewall in the rear tires, if...
Forum: Wheels, Tires, Brakes, and Suspension   08-25-2015, 06:41 PM
Replies: 10
Views: 358
Posted By randycat99
...not a bad lookin' wheel! :)

...not a bad lookin' wheel! :)
Forum: General Challenger Discussion   08-25-2015, 05:23 PM
Replies: 80
Views: 4,526
Posted By randycat99
Good point! I've always wondered what the story...

Good point! I've always wondered what the story was behind that (just from a tuning standpoint).

My theory is that the thing that made the 426 Hemi such an excellent breather on the top end (big...
Forum: General Challenger Discussion   08-25-2015, 03:31 PM
Replies: 80
Views: 4,526
Posted By randycat99
If the hemi-head that Harley uses is really...

If the hemi-head that Harley uses is really 4-valve/cyl, then it is no longer a hemi-head. It is more likely a pent-roof design at that point (as are pretty much all 4-valve/cyl designs under the...
Forum: General Challenger Discussion   08-25-2015, 02:53 PM
Replies: 80
Views: 4,526
Posted By randycat99
...and in Harley motorcycle engines, and in...

...and in Harley motorcycle engines, and in Porsche boxer engines...but nobody really references those engines just by their cylinder head design.

It was more than just Dodge marketing, too. The...
Forum: General Challenger Discussion   08-25-2015, 12:24 PM
Replies: 80
Views: 4,526
Posted By randycat99
A cylinder head shape can apply to any number of...

A cylinder head shape can apply to any number of cylinders in a block, but let's be absolutely honest and frank...the one combo that is absolutely responsible for its reputation and notoriety is in...
Forum: General Challenger Discussion   08-24-2015, 06:46 PM
Replies: 80
Views: 4,526
Posted By randycat99
No doubt about that...that's the "promise you one...

No doubt about that...that's the "promise you one thing, give you something different" part that I mentioned earlier. ;)
Forum: General Challenger Discussion   08-23-2015, 06:48 PM
Replies: 80
Views: 4,526
Posted By randycat99
I'm sure it will help mpg, and it ought to...

I'm sure it will help mpg, and it ought to mitigate some degree of (power robbing) heatsoak effect, as well.
Forum: General Challenger Discussion   08-23-2015, 06:09 PM
Replies: 80
Views: 4,526
Posted By randycat99
If that were true, then the modern v6 with twice...

If that were true, then the modern v6 with twice the valves per cyl would already have equivalent power to the modern v8. The fact remains...more displacement means more breathing at x rpm...more...
Forum: General Challenger Discussion   08-22-2015, 03:37 PM
Replies: 80
Views: 4,526
Posted By randycat99
The real question, there (imo) is...is it that...

The real question, there (imo) is...is it that way in Europe because it actually makes for a good product, or is it just a product of heavy/strong-armed govt intervention? I think there is a...
Forum: Technical Service Bulletins & Recalls   08-22-2015, 08:36 AM
Replies: 44
Views: 3,754
Posted By randycat99
Live Hard. Die Hard...John McClain style, bro! ;)

Live Hard. Die Hard...John McClain style, bro! ;)
Forum: Dodge Challenger SE/SXT Specific   08-15-2015, 11:49 AM
Replies: 14
Views: 739
Posted By randycat99
Imo, the louder and meatier the exhaust makes the...

Imo, the louder and meatier the exhaust makes the engine sound, it is quite likely a lot of that sound is being contributed by drone activity at lower rpm. When you hit the drone range, it is a...
Forum: Dodge Challenger SE/SXT Specific   08-15-2015, 10:52 AM
Replies: 3
Views: 262
Posted By randycat99
Just curious...when you experience this drone in...

Just curious...when you experience this drone in the 8-spd, are you in overdrive 7th or overdrive 8th?
Forum: Dodge Challenger SE/SXT Specific   08-15-2015, 10:47 AM
Replies: 14
Views: 739
Posted By randycat99
If you still have your rear resonators, I would...

If you still have your rear resonators, I would recommend putting them back on. That essentially was your anti-drone stage in the oem exhaust. You may even want to explore a middle ground solution...
Forum: 2015 Challenger Information & Discussions   08-15-2015, 09:01 AM
Replies: 84
Views: 11,269
Posted By randycat99
Yes, an engine stutter is the closest I can...

Yes, an engine stutter is the closest I can describe it...sort of like a vacuum line suddenly came loose. It may very well be something done with ignition timing, but I don't really have the...
Forum: Performance Modifications   08-14-2015, 06:08 PM
Replies: 5
Views: 422
Posted By randycat99
Heatsoak effects may further magnify the DA...

Heatsoak effects may further magnify the DA effect, as well. Strong sunlight plus hot weather air may compel you to activate the A/C. That running A/C can easily put heatsoak on steroids...changing...
Forum: General Challenger Discussion   08-11-2015, 09:03 PM
Replies: 19
Views: 1,093
Posted By randycat99
Then maybe you should be waiting for a video...

Then maybe you should be waiting for a video demonstration with more controlled parameters?...not some hokey video that combines a turn with a pedal drop, unknown TC mode, unknown TM behavior in that...
Forum: General Challenger Discussion   08-11-2015, 08:46 PM
Replies: 19
Views: 1,093
Posted By randycat99
That's only assuming that WOT is actually...

That's only assuming that WOT is actually translating into full engine output. If it isn't (as in the case with torque management), then who knows what you are getting. If the engine is effectively...
Forum: Wheels, Tires, Brakes, and Suspension   08-11-2015, 08:29 PM
Replies: 35
Views: 1,511
Posted By randycat99
I imagine with those fancy-shmancy 275's up...

I imagine with those fancy-shmancy 275's up front, you ought to be able to turn the earth with those things! ;) That's a whole lotta tire, I tell ya!
Forum: Wheels, Tires, Brakes, and Suspension   08-11-2015, 07:55 PM
Replies: 35
Views: 1,511
Posted By randycat99
I think you got the idea! :) On the tire...

I think you got the idea! :)

On the tire pressures, I would keep the fronts at whatever is the optimum is for a good stiff sidewall. That's going to preserve your turn-in bite. If you are going...
Forum: Wheels, Tires, Brakes, and Suspension   08-11-2015, 07:27 PM
Replies: 35
Views: 1,511
Posted By randycat99
I learned from one of the resident "manual gurus"...

I learned from one of the resident "manual gurus" here that the way you get optimal turning capability while running the LSD is to simply avoid putting engine load on it while turning. That's what...
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