More Torque for Street
06-08-2011, 02:40 PM
#11
Gentleman's Relish
Join Date: Feb 2005
Location: AZ
Posts: 13,090
A tune will not void a warranty. There is so much misinformation floating around the internet and at dealerships about aftermarket modification, it's unbearable.
You can look up the Magnuson act or in summary of it:
An OEM/Dealer cannot void your warranty unless the part in question proves to be the culprit of the problem. When you replace a part with an aftermarket part, only the warranty for that part is immediatly void of the factory warranty.
Example 1: You add a CAI and change the tune of your car and the Power steering pump dies. The p/s pump is still covered under warranty.
Example 2: You add a CAI and change the tune of your car and run a lean condition from a **** poor tune that detonates your motor (The car woudl exhibit a boatload of issues beforehand). The warranty on the motor is void because the lean condition created by the bad tune created the failure.
Example 3: You leave your car completely factory, get some really bad gas in there and detonate the motor...guess what, the gas created the failure, your warranty is void.
Not the best reference below but you'll get the idea.
http://en.wikipedia.org/wiki/Magnuson_Act
You can look up the Magnuson act or in summary of it:
An OEM/Dealer cannot void your warranty unless the part in question proves to be the culprit of the problem. When you replace a part with an aftermarket part, only the warranty for that part is immediatly void of the factory warranty.
Example 1: You add a CAI and change the tune of your car and the Power steering pump dies. The p/s pump is still covered under warranty.
Example 2: You add a CAI and change the tune of your car and run a lean condition from a **** poor tune that detonates your motor (The car woudl exhibit a boatload of issues beforehand). The warranty on the motor is void because the lean condition created by the bad tune created the failure.
Example 3: You leave your car completely factory, get some really bad gas in there and detonate the motor...guess what, the gas created the failure, your warranty is void.
Not the best reference below but you'll get the idea.
http://en.wikipedia.org/wiki/Magnuson_Act
06-08-2011, 03:19 PM
#12
6th Gear Member
06-08-2011, 03:40 PM
#14
5th Gear Member
Join Date: Jul 2006
Location: New Orleans
Posts: 4,491
Then your best bet is to leave it stock. You can't get any HP/TQ gains without tuning. Period.
They won't. X-pipe vs. H-pipe is purely sound preferance.
In this case, it doesn't mean higher HP or TQ, at any RPM level. The stock S197 exhaust flows exceptionally well unless you are pushing SERIOUS HP already through either forced induction or major bolt-ons. At that point, you'd have some major ECM tuning done anyway, so it kind of defeats your intentions.
Ford has worked some serious magic with VCT.
Yes. Exhaust mods from the manifolds back are purely sound preference mods on the S197 unless you are pushing serious HP. Again, the exhaust flows exceptionally well. Even the manifolds themselves do not become restrictive until you are pushing far more HP than stock.
The irony is stifling.
You would never in a million years notice any difference by going from 3.15s to 3.31s. Save your money.
HP and TQ do not have an inverse relationship. However, your logic is still off. Torque is a far more valuable asset at the drag strip.
I was hoping that X pipes would give more power than the current H pipe.
I see that Heartthrob has a full 3" exhaust from the cat back to rear axle, but free flow doesn't necessarily lead to greater torque numbers, high rpm horsepower yes, but low rpm Torque no...
I have an automatic and can get it to shift a low rpm (1600-1700) around town. This car is quite tame in city driving, but when you punch it.....
Anyone have some real (vs B/S) information on X pipes vs H pipes?
I have been looking on various forums and have gotten mixed information. As well as an insight into how uninformed about basic mechanics quite a few of the members are.
I have 315 gears on my car now and have thought about 331's it's not much of a jump, but it would get me through the gears quicker giving me better around town mpg.
Just to let you future gear heads know, If I was going to the drags every weekend like I used to, I would be looking for the most horse power not the most torque.
Last edited by Diabolical!; 06-08-2011 at 03:46 PM.
06-09-2011, 10:14 AM
#15
4th Gear Member
Join Date: Mar 2006
Location:
Posts: 1,470
To the OP,
Get 3.73's at the very least.
If you're an ME, then you probably know all about mechanical advantage, and its benefits wrt accelerating a motionless(or slow moving) body.
06-09-2011, 10:47 AM
#17
5th Gear Member
Join Date: Oct 2008
Location: CA
Posts: 2,073
If your statement were true, pickup trucks would have incredible MPG, and the Heavy duty ones would be even better, they are low rev torque monsters. I will concede that there is little variance between highway and city MPG in torque monsters, but they are down there in the 10-15MPG range.
06-09-2011, 05:26 PM
#18
1st Gear Member
Join Date: Jan 2011
Location: CO
Posts: 83
I hear about all the Horse power gains that everyone is always talking about. But the reality is that Torque is what we need every day for best MPG and street fun. I am looking to replace the factory H pipe with a X pipe (MAYBE). I suspect that ford has designed the best torque setup for the street i.e. best gas mileage. What are ever ones thoughts on this, and what can I do to get the most Torque on my '11 5.0...Without a tune...
06-09-2011, 08:45 PM
#19
Gentleman's Relish
Join Date: Feb 2005
Location: AZ
Posts: 13,090
FRPP is considered non-oem.
