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Search: Keyword(s): ; Posts Made By: randycat99
Forum: Bolt On's 08-31-2014, 06:22 PM
Replies: 2
Views: 109
Posted By randycat99
It's true that mandrel bent is better than the...

It's true that mandrel bent is better than the "other" kind of bending, but that doesn't mean they don't have an affect on flow. There is no better exhaust pipe than a straight pipe. The more bent...
Forum: Bolt On's 08-31-2014, 06:06 PM
Replies: 2
Views: 109
Posted By randycat99
Improving on the hard to improve oem exhaust

Anybody ever wonder...if you're going to genuinely improve on the flow efficiency of the oem exhaust, wouldn't you be looking to smooth out these kinks?
...
Forum: Wheels, Tires, Brakes, and Suspension 08-31-2014, 01:59 PM
Replies: 13
Views: 728
Posted By randycat99
I got 2 in the rear axle. Unfortunately, they...

I got 2 in the rear axle. Unfortunately, they are a bit on the heavy side...not so good for low rotational inertia. They are about as heavy as the oem 20" cast alloy wheels.

So now I have been...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-30-2014, 02:08 PM
Replies: 501
Views: 33,659
Posted By randycat99
Who would have thought we would get to a point in...

Who would have thought we would get to a point in car development where there is literally no where left to put more torque into the design, and the only direction left is to push the output upward...
Forum: Wheels, Tires, Brakes, and Suspension 08-27-2014, 07:31 PM
Replies: 98
Views: 7,866
Posted By randycat99
Sorry to be a bit off-topic, but has anyone ever...

Sorry to be a bit off-topic, but has anyone ever explored the idea that possibly wheel-hop behavior becomes more pronounced in response to the further this car is lowered in the suspension?
Forum: General Challenger Discussion 08-27-2014, 06:24 PM
Replies: 16
Views: 657
Posted By randycat99
That's what I've been saying all along! There is...

That's what I've been saying all along! There is no such thing as mds drone. Mds certainly has an undesirable engine note when under load, but that really isn't a drone effect, in the classic sense...
Forum: SRT Hellcat 6.2L Supercharged (2015 - ) 08-27-2014, 03:56 PM
Replies: 3
Views: 474
Posted By randycat99
That dyno was on a hill, and you know it! :p

That dyno was on a hill, and you know it! :p
Forum: Bolt On's 08-25-2014, 05:15 PM
Replies: 12
Views: 633
Posted By randycat99
Wish my car came with an h-pipe. It does sound...

Wish my car came with an h-pipe. It does sound too smooth most of the time. There's only a narrow band of throttle input after being warmed-up, where it just begins to have a more choppy v8 sound.
Forum: Dodge Challenger R/T Specific 08-24-2014, 09:41 AM
Replies: 14
Views: 1,113
Posted By randycat99
I know it's not what you are looking for, but all...

I know it's not what you are looking for, but all you have to do is click the autostick to the right after you have reached your cruising speed (to hold the current gear in use), and viola...mds is...
Forum: General Challenger Discussion 08-22-2014, 07:52 PM
Replies: 16
Views: 1,017
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: 1,017
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: 1,017
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: 363
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: 1,017
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: 341
Views: 17,512
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: 341
Views: 17,512
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: 341
Views: 17,512
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: 341
Views: 17,512
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: 4,483
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: 341
Views: 17,512
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: 4,483
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: 4,483
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: 363
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: 90
Views: 8,575
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: 90
Views: 8,575
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...
Showing results 1 to 25 of 250

 
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