20+ Horsepower From A Tweak?

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Old Oct 16, 2002 | 02:43 PM
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20+ Horsepower From A Tweak?

Tomorrow (Thursday 10-17), I'm supposed to bring my wife's TL in to the dealer for an oil change. I am told by the sales manager that some mechanic who works for them can tweak the "S" engine to get 20+ more horsepower. He did it on a salesman's TL. The salesman swears, whatever he did gave him a "big kick in the ass." I promise that I will find out about this and report in as soon as I get back. Bullshit...who knows? Check back to this thread tomorrow.
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Old Oct 16, 2002 | 02:53 PM
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Sounds like complete and utter bullshit. Make sure you run a before and after dyno before the guy touches your car. Unless he's not charging you... then it won't matter.

Either way I wouldn't let them touch the car w/o knowing what they're doing.....
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Old Oct 16, 2002 | 03:10 PM
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He probably "tweaked" with the timing and advanced it a few degrees. As long as you run high octane you should be safe doing it... but I doubt that it's 20+HP
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Old Oct 16, 2002 | 03:17 PM
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He probably fixed the actuator on a TL and said he tweeked it...hahahahaha
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Old Oct 16, 2002 | 03:28 PM
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Originally posted by NOLACLS
He probably fixed the actuator on a TL and said he tweeked it...hahahahaha
bwahahahaah LOL

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Old Oct 16, 2002 | 04:04 PM
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who knows we at this forum expect to be let down so thats why we are very skeptic, ask him what the hell he plans to do, hopefully it will help but with as many engine gurus as we have, i'm sure if there was something that could easily add 20 hp we would have found it.
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Old Oct 16, 2002 | 04:08 PM
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Sure....

Tweak....

He failed to mention that it'll cost you $1200.
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Old Oct 16, 2002 | 04:10 PM
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What dealer in FL?
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Old Oct 16, 2002 | 04:11 PM
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C'mon now guys...be positive till we prove that it's bullshit. Let's wait till the facts are in!
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Old Oct 16, 2002 | 04:16 PM
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What dealer in FL?
Yea....what dealer?
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Old Oct 16, 2002 | 04:39 PM
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u think he could of done something similar to a racing chip? he probably got into the computer, and messed with the vtec timing, the revlimiter, and some of that shit. I doubt he really got 20hp outa it.
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Old Oct 16, 2002 | 04:45 PM
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I bet its MMIII and it will come out when MMI and MMII
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Old Oct 16, 2002 | 04:45 PM
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I think if this in fact is true sounds like he messed w/ the ecu and advanced timing alittle bit...messing w/the ECu has shown 2 give good gains on the J-block engines but is usually very complicated and then of course theres that slight minor issue of tranny :angry:
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Old Oct 17, 2002 | 12:57 PM
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Re: 20+ Horsepower From A Tweak?

Originally posted by Pappy
Tomorrow (Thursday 10-17), I'm supposed to bring my wife's TL in to the dealer for an oil change. I am told by the sales manager that some mechanic who works for them can tweak the "S" engine to get 20+ more horsepower. He did it on a salesman's TL. The salesman swears, whatever he did gave him a "big kick in the ass." I promise that I will find out about this and report in as soon as I get back. Bullshit...who knows? Check back to this thread tomorrow.
Ok, guys, here it for what it's worth. I talked to the sales manager today at Delray Acura regarding the "tweak." He said the mechanic opens up the fuel injection to get more power. He didn't get into mechanics because he didn't know that much about it. You will get more power, but loose 1/2 to 1 gallon on your miles per gallon. My guess is you problably have to adjust the air intake as well or maybe the computer does that?
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Old Oct 17, 2002 | 01:06 PM
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why not just buy bigger injectors?
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Old Oct 17, 2002 | 01:11 PM
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Originally posted by I am RobG
why not just buy bigger injectors?
I'm no mechanic, but maybe you don't need them if you can make the adjustment.
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Old Oct 17, 2002 | 01:25 PM
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Originally posted by Samer007
I bet its MMIII and it will come out when MMI and MMII
What are those? :P





It's been a while since the last MM thread.
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Old Oct 17, 2002 | 01:26 PM
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Maybe this is like this Mystical RES, no one truly knows if it exists, yet its being produced and used on some random CLS out there taht only gets driven at night with the lights off so no one sees. So he's basically richening A/F ratio. dude, let us know if it works.
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Old Oct 17, 2002 | 02:52 PM
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Whoa...I never said I was going to be the guinea pig. But, I'm thinking about it.
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Old Oct 17, 2002 | 03:11 PM
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Do it

Get it

Buy it



And then give us a report.
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Old Oct 17, 2002 | 03:30 PM
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Originally posted by NOLACLS
Do it

Get it

Buy it



And then give us a report.
ALRIGHT YOU TALKED ME IN TO IT!
When I bring my car in for an oil change in 2 weeks I'll tell him to do it...and I'll report in. The good news is that I can always reset it back to the original setting if it doesn't work out.
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Old Oct 17, 2002 | 03:34 PM
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Cost???
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Old Oct 17, 2002 | 03:39 PM
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Open up the fuel injection, what the...

There is nothing to open up on the fuel injection system. You have a fuel pump which feeds fuel through a fuel line into a fuel pressure regulator. This also has an outlets to the fuel rail and the return line. There are no restrictions and if there were then you would have problems.

Our cars run rich normally, why would you want to make it worse by adding more fuel. Even then the ECU will trim it out. We really want to go a bit leaner at WOT as the revs climb. The statements made by that sales person are out of pure ignorance.

As for a technician messing with the ECU, if he could do it he shouldn't be wrenching at a dealer. He would be an electronics expert. So we can throw this concept out the window.

There are ways to mechanically alter the timing by fooling the ECU but it wouldn't give you these types of gains.
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Old Oct 17, 2002 | 03:43 PM
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BTW, I once heard that if you turn the inginition to the on position without starting the car, tap the gas three time, then the brake three times and then start the car you will have an additional 15 HP.

This is true, no lie as someone told me this. :P :P
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Old Oct 17, 2002 | 03:44 PM
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Please find out more details, and where in florida.
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Old Oct 17, 2002 | 03:45 PM
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As I said, the sales manager didn't know what he was talking about. I think he might have known the theory behind it, but not the mechanics. However, I promise I'll get to the bottom of this and report back when I know more.
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Old Oct 17, 2002 | 03:46 PM
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Delray Acura, Delray Beach.
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Old Oct 17, 2002 | 03:48 PM
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Originally posted by scalbert
BTW, I once heard that if you turn the inginition to the on position without starting the car, tap the gas three time, then the brake three times and then start the car you will have an additional 15 HP.

This is true, no lie as someone told me this. :P :P
Yeah, and you'll flood the friggin' thing too.
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Old Oct 17, 2002 | 03:50 PM
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Originally posted by Pappy
Yeah, and you'll flood the friggin' thing too.
Actually it was a joke and no you won't. The injectors won't fire unless CPK pulses are detected. With the engine still, there are no pulses and no fuel will be flowing.
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Old Oct 17, 2002 | 03:54 PM
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Originally posted by scalbert
Actually it was a joke and no you won't. The injectors won't fire unless CPK pulses are detected. With the engine still, there are no pulses and no fuel will be flowing.
That's what I get for being an old fart. I can't seem to keep up with all this high tech shit. I keep getting acused of having a "senior moment." Wish I was back in the 60's!!!!!
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Old Oct 17, 2002 | 03:57 PM
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hmmm...its out of Florida...so it must be true...
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Old Oct 17, 2002 | 04:00 PM
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Originally posted by Pappy
That's what I get for being an old fart.
Don't look at it that way, you are just experienced in other ways!! But yes, running a carb is certainly a different story and even the mechanical fuel injection would allow flooding. I also beleive that some early electronic fuel injection would fire the injector with the engine off.

But nowadays there are several checks in the system to determine what to do. Since we have port injection the computer needs to know when to fire. This is where the CPK signal comes in (Crank Position Sensor), the ECU can determine where it is at in the engine cycle and fire the injector accordingly.
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Old Oct 17, 2002 | 04:03 PM
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That's right...the old fart capitol of the world. This is where 2 of the 3 monkeys came from: No see'um and No hear'um. Also, watch out for the stroker joker as he drives thru Delray Beach with his oxygen tank strapped to himself. So many handicapped tags are issued here...they are commonly call "crip tics." I could go on forever.
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Old Oct 17, 2002 | 04:11 PM
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Originally posted by scalbert
Don't look at it that way, you are just experienced in other ways!! But yes, running a carb is certainly a different story and even the mechanical fuel injection would allow flooding. I also beleive that some early electronic fuel injection would fire the injector with the engine off.

But nowadays there are several checks in the system to determine what to do. Since we have port injection the computer needs to know when to fire. This is where the CPK signal comes in (Crank Position Sensor), the ECU can determine where it is at in the engine cycle and fire the injector accordingly.
You know those old 1000 and 1100 CFM carbs use to help give you great torque. Can you believe I once had a buick that was rated at 325 bhp and 445 ft lbs of torque at 2800 rpms. I could spin those wheels with positraction for 100+ ft. Went thru 2 rear ends though. 1963 Buick Wildcat with dynoflow transmission. Pimp car (I can attest).
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Old Oct 17, 2002 | 08:58 PM
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Originally posted by Pappy
Also, watch out for the stroker joker as he drives thru Delray Beach with his oxygen tank strapped to himself. So many handicapped tags are issued here...they are commonly call "crip tics." I could go on forever.
heheh, I do travel through there frequently, we have an office in Boyton Beach, so I know what you are refering to. I-95 can be an interesting travel in that area, speeds alternate between 50 and 90...
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Old Oct 17, 2002 | 09:12 PM
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Originally posted by Pappy
You know those old 1000 and 1100 CFM carbs use to help give you great torque. Can you believe I once had a buick that was rated at 325 bhp and 445 ft lbs of torque at 2800 rpms. I could spin those wheels with positraction for 100+ ft. Went thru 2 rear ends though. 1963 Buick Wildcat with dynoflow transmission. Pimp car (I can attest).
Not to mention those large cube engines...

That was a beautiful time before the mid 70's when things really changed. If only the suspension and tire compound technology existed back them, there would have been some serious screamers. One car that always caught my attention, although I was only one or two when released was the (I believe) '72 Buick GSX. A moderate priced car capable of turning high 12's from the show room!!!

My parents were never big into cars when I was growing up. However, I have heard of stories where my mother took her brothers car and just let loose on a 3 Speed manual Hemi equipped vehicle and spun it all the way down the street even with her mother in he car.

Now I have my father-in-law around who has a beautiful '35 Chevy Hot-Rod (Turquoise with Pink Panther in the back) but with only a small block Chevy. We have been discussing for years on a mutual project car. As expected he wants to do a carb'd big block engine and I want to do a smaller displacement DFI turbo engine.
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Old Oct 17, 2002 | 10:26 PM
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The GSX is my dream car!...I actually heard the manual on those cars is very very hard to drive, I drove up to the Carlisle PA auto show in a 72 auto GSX--One badass ride!
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Old Oct 18, 2002 | 12:02 AM
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Originally posted by moomaster_99
hmmm...its out of Florida...so it must be true...
They can't count votes, much less increase the HP in a go-cart.
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Old Oct 18, 2002 | 07:28 AM
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Originally posted by mc222@aol.com
The GSX is my dream car!...I actually heard the manual on those cars is very very hard to drive, I drove up to the Carlisle PA auto show in a 72 auto GSX--One badass ride!
Yeah, GSX. Hmmmmmmmm, great engine with the 4-speed "rock crusher" tranny in a mid size barge. Can you imagine how great that model would have been if the body was right?
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Old Oct 18, 2002 | 07:30 AM
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Originally posted by juice
They can't count votes, much less increase the HP in a go-cart.
Yeah, and can you believe that Theresa Lepore is still in office. I think she was secretly paid off by Bush. She and Harris won the election for "W."
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