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Search: Keyword(s): ; Posts Made By: randycat99
Forum: General Challenger Discussion 08-22-2014, 07:52 PM
Replies: 16
Views: 865
Posted By randycat99
Yes, certain ratings may be SAE certified. ...

Yes, certain ratings may be SAE certified. There's nothing stopping them from going higher than that in actual product. Granted, they aren't going to blow way past it. The SAE rating just supports...
Forum: General Challenger Discussion 08-22-2014, 07:29 PM
Replies: 16
Views: 865
Posted By randycat99
...and there it is...the Ram is rated higher, but...

...and there it is...the Ram is rated higher, but will dyno lower at the rear wheels. So all these marketing specs are much ado over nothing. Might as well just consider them all 390 hp engines and...
Forum: General Challenger Discussion 08-22-2014, 06:14 PM
Replies: 16
Views: 865
Posted By randycat99
So you got to ask yourself, you put a Ram truck...

So you got to ask yourself, you put a Ram truck on a dyno with its 2-stage intake, top-feed TB, different cam, more room for exhaust, and spec'd by the manufacturer at 390 hp, what number at the rear...
Forum: Wheels, Tires, Brakes, and Suspension 08-22-2014, 04:10 PM
Replies: 5
Views: 289
Posted By randycat99
C'mon, people...I just implied a provocative...

C'mon, people...I just implied a provocative theory on wheel-hop. Nobody's interested???
Forum: General Challenger Discussion 08-22-2014, 03:23 PM
Replies: 16
Views: 865
Posted By randycat99
Yes, clearly there are different parts, but just...

Yes, clearly there are different parts, but just because they are different doesn't mean they have the effect you think they do. The effect could be entirely counter-intuitive. What counts in the...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-22-2014, 09:00 AM
Replies: 320
Views: 15,400
Posted By randycat99
I have a similar question in a different topic......

I have a similar question in a different topic...

-weight transfer is helpful for launching, right?

-a lowered-car will have less weight transfer, right?

-so does a lowered-car have more...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-22-2014, 05:51 AM
Replies: 320
Views: 15,400
Posted By randycat99
Yes, the torque is at much lower rpm, but either...

Yes, the torque is at much lower rpm, but either way, the clutch has to be able to take it and not slip. That's what I was getting at...what is the behavior of this kind of clutch? We are dealing...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-21-2014, 08:52 PM
Replies: 320
Views: 15,400
Posted By randycat99
Do you wonder that the HC torque is comparable to...

Do you wonder that the HC torque is comparable to the torque in a typical HD diesel pickup truck? Do they have manual transmissions, and what is the clutch feel like, there?
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-21-2014, 05:05 PM
Replies: 320
Views: 15,400
Posted By randycat99
There is some irony here that for all the wonders...

There is some irony here that for all the wonders of low end torque on SC'd cars, probably this is a case where it is too much for its own good (too much to put to use effectively, anyway). It might...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-21-2014, 04:58 PM
Replies: 62
Views: 3,736
Posted By randycat99
So it seems to be an excellent opportunity to...

So it seems to be an excellent opportunity to delve into real drivetrain loss phenomenon on a per car basis. The data will come right out of the OBD port, so might as well log it. :D
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-21-2014, 04:53 PM
Replies: 320
Views: 15,400
Posted By randycat99
Well, it is Edmunds, right? Look at all of their...

Well, it is Edmunds, right? Look at all of their other car performance tests. :satan:

I think they also account for the 1 ft roll-out differently than most, which will automatically make their...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-20-2014, 06:21 PM
Replies: 62
Views: 3,736
Posted By randycat99
Anybody ever wonder...most modern OBD systems...

Anybody ever wonder...most modern OBD systems will directly report engine torque, rpm, and hp, so why not log that along with the dyno run? I have no idea how accurate that is, but I assume the...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-20-2014, 05:58 PM
Replies: 62
Views: 3,736
Posted By randycat99
The answer may not be in the brand of tire,...

The answer may not be in the brand of tire, rather zeroing out the stock camber in the rear suspension, to put the tire's maximum capability to the ground in the first place. ;) :naughty:
Forum: Wheels, Tires, Brakes, and Suspension 08-20-2014, 04:14 PM
Replies: 5
Views: 289
Posted By randycat99
So where I was really going with this is...do you...

So where I was really going with this is...do you think weight transfer at launch has an effect on the emergence of wheel hop (reducing or increasing)?
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-19-2014, 08:55 PM
Replies: 85
Views: 7,272
Posted By randycat99
That's what I predict, as well. The RT has...

That's what I predict, as well. The RT has "some" rear camber. The SRT8 has even more rear camber. So I wonder where the HC will end up.

I would also guess the camber follows along with how...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-19-2014, 07:05 PM
Replies: 85
Views: 7,272
Posted By randycat99
I keep harping on this point, and I don't know...

I keep harping on this point, and I don't know when to stop, but I'm tellin' you...the day you square up the camber in the rear suspension on your RT, it will be a whole different ballgame. The...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-19-2014, 06:54 PM
Replies: 85
Views: 7,272
Posted By randycat99
I'll jump in with these points...not because I am...

I'll jump in with these points...not because I am trying to challenge you, rather I find your train of thought in this discussion interesting. :)

The 911 has crazy wide rear tires, not because of...
Forum: Wheels, Tires, Brakes, and Suspension 08-19-2014, 06:39 PM
Replies: 5
Views: 289
Posted By randycat99
To clarify a fine distinction...I wasn't trying...

To clarify a fine distinction...I wasn't trying to say that lowering the car gives you more launch traction. What I was really trying to say is that the launch traction is more or less the same,...
Forum: General Challenger Discussion 08-19-2014, 05:21 PM
Replies: 16
Views: 865
Posted By randycat99
In may not be much more than a difference in...

In may not be much more than a difference in paper values. If the 5.7 is putting down 390 regardless of the vehicle, who cares what the paper spec is? ;)
Forum: Wheels, Tires, Brakes, and Suspension 08-18-2014, 02:29 PM
Replies: 5
Views: 289
Posted By randycat99
Is weight transfer affected by lowering?

I suppose that question pretty well answers itself, when talking about lateral transfer, as when hard cornering, right?...lower car, less weight transfer, more even grip by the tires?

Does the...
Forum: Challenger Issues & Problems 08-17-2014, 11:19 AM
Replies: 21
Views: 1,390
Posted By randycat99
I would say that Hemi tick is not unusual while...

I would say that Hemi tick is not unusual while idling in neutral, but being able to hear it while you are running down the road, does not sound normal. Hence, it is either an abnormally loud Hemi...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-17-2014, 10:22 AM
Replies: 41
Views: 2,202
Posted By randycat99
Is the axle ratio on the 8-spd HC Charger the...

Is the axle ratio on the 8-spd HC Charger the same that goes into the 8-spd HC Challenger? In the past, they have always maintained a taller axle ratio in the Charger, so I don't know if this will...
Forum: General Challenger Discussion 08-15-2014, 09:53 PM
Replies: 24
Views: 1,414
Posted By randycat99
I've commented in other topics to the extent that...

I've commented in other topics to the extent that it already has quite enough power to kill you real good, so don't worry so badly about 15-20 hp just to get parity with the other performance cars.
Forum: 2015 R/T Scat Pack 392 08-15-2014, 06:05 AM
Replies: 8
Views: 362
Posted By randycat99
I would imagine the 8-spd should allow you to...

I would imagine the 8-spd should allow you to start in 2nd, too, as noted by GeneJockey. Would it "let" you put WOT into it out of the gate in 2nd w/o unusual wear/damage...I've always wondered...
Forum: Dodge Challenger R/T Specific 08-15-2014, 05:39 AM
Replies: 14
Views: 1,212
Posted By randycat99
There's a fuse in the fusebox that provides power...

There's a fuse in the fusebox that provides power to the ecm, too right? If that was pulled or became compromised, then you could crank the engine all day and it won't fire up.

As noted above,...
Showing results 1 to 25 of 250

 
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