Loss of low end power

ByPopularDemand · May 8th, 2007, 03:54 PM

So every one says you lose power with LT's and exhaust and I have to say its def there...my power just comes higher in the rpm range. I raced a 5 speed 03 coupe last night It was even down low then I walked all over her in the upper rpms all the way untill I would let off...guess my car is gettin faster. Which brings me to my next point...I cant launch...If I hold the brake and gas to 1500rpm my tire spins...any ideas on that

Juggalo_X · May 8th, 2007, 03:58 PM

Originally Posted by ByPopularDemand

So every one says you lose power with LT's and exhaust and I have to say its def there...my power just comes higher in the rpm range. I raced a 5 speed 03 coupe last night It was even down low then I walked all over her in the upper rpms all the way untill I would let off...guess my car is gettin faster. Which brings me to my next point...I cant launch...If I hold the brake and gas to 1500rpm my tire spins...any ideas on that

hold the break harder or dont give it so much gas. or your breaks on your rear are worn to fuck and need to be replaced.

ByPopularDemand · May 8th, 2007, 04:10 PM

I tried that with brake pedal to the floor, because I thought I wasnt pushing it down enough...the car stops nicely tho

Juggalo_X · May 8th, 2007, 04:13 PM

Originally Posted by ByPopularDemand

I tried that with brake pedal to the floor, because I thought I wasnt pushing it down enough...the car stops nicely tho

dunno what to say i just have to have mine down about 25% and im good to pump up for the launch if i back off to about 15-20% break i start to do a burn out.

ByPopularDemand · May 8th, 2007, 04:23 PM

Damn...there must be somethind wrong here...my brakes dont squeak or sqeel or anything

Juggalo_X · May 8th, 2007, 04:25 PM

Originally Posted by ByPopularDemand

Damn...there must be somethind wrong here...my brakes dont squeak or sqeel or anything

i have no idea maybe your packing more of a hp punch then i am whats ur mods bro im stock except for my sniper tune which BTW its a hell of a lot easer to burn out with i can feel the added power. and the throttle response. do you have gears? maybe thats why if u got 4.10's i can see you doing a smoke show pretty damn easily.

ByPopularDemand · May 8th, 2007, 04:32 PM

Just the mods in my sig...gears and t-lok are next I believe though

Juggalo_X · May 8th, 2007, 04:37 PM

Originally Posted by ByPopularDemand

Just the mods in my sig...gears and t-lok are next I believe though

your packing more HP then i am maybe thats got something to do with it.

ByPopularDemand · May 8th, 2007, 04:51 PM

Hmm could be...I heard these motors like to make TQ when modded too...maybe if I set the idle rpm to 1500 when Im racing I could shoot off the line

Juggalo_X · May 8th, 2007, 04:53 PM

Originally Posted by ByPopularDemand

Hmm could be...I heard these motors like to make TQ when modded too...maybe if I set the idle rpm to 1500 when Im racing I could shoot off the line

that could work. damn high idle though

ByPopularDemand · May 8th, 2007, 04:54 PM

It would only be for racing...that way I could launch...

tomzac · May 8th, 2007, 05:10 PM

You could look into upgrading your rear brakes to the cobra size rotors which will give you a little more clamping effort to the rear tires. To do this mod I think all you need are the larger rotors, new pads, and an axle bracket at each side that relocates your stock calipers to use the larger rotors. There might be some small metal grinding too, but it's not that much if I remember right.

ByPopularDemand · May 8th, 2007, 05:14 PM

I would think it would fit with just 17in rims...

Juggalo_X · May 8th, 2007, 05:17 PM

Originally Posted by ByPopularDemand

I would think it would fit with just 17in rims...

should fit no problem.

ByPopularDemand · May 8th, 2007, 05:28 PM

I still gotta try the high drive idle RPM's too it might work

tomzac · May 8th, 2007, 05:42 PM

Originally Posted by ByPopularDemand

I would think it would fit with just 17in rims...

Yes. The rear Cobra setup is smaller than front and the smallest front rim size is 17".

ByPopularDemand · May 8th, 2007, 05:45 PM

Nice...I got the rims...

Onemanzu · May 9th, 2007, 12:21 AM

im lost so your trying to get a higher launch RPM? ... and you have had the bottom end tuned to the best of its ability? not just raise the RPMs but more fuel and air? and ... move the spark a bit?

punkafi888 · May 9th, 2007, 12:36 AM

your rotors might be under spec?

itschristorres8 · May 9th, 2007, 12:41 AM

bro im on 9in wide tires in the back and i can do a 20second burnout, launch at 1500 and i spin as well. tires or suspension work it the only way around it or t-lok/8.8 rear

my 60foots are so ugly cuz my spins and slow launches. theres no way around it aside from tires or t/lok or suspension

May 8th, 2007, 03:54 PM	#1
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Loss of low end power So every one says you lose power with LT's and exhaust and I have to say its def there...my power just comes higher in the rpm range. I raced a 5 speed 03 coupe last night It was even down low then I walked all over her in the upper rpms all the way untill I would let off...guess my car is gettin faster. Which brings me to my next point...I cant launch...If I hold the brake and gas to 1500rpm my tire spins...any ideas on that __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 04:10 PM	#3
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	I tried that with brake pedal to the floor, because I thought I wasnt pushing it down enough...the car stops nicely tho __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 04:23 PM	#5
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Damn...there must be somethind wrong here...my brakes dont squeak or sqeel or anything __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 04:32 PM	#7
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Just the mods in my sig...gears and t-lok are next I believe though __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 04:51 PM	#9
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Hmm could be...I heard these motors like to make TQ when modded too...maybe if I set the idle rpm to 1500 when Im racing I could shoot off the line __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 04:54 PM	#11
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	It would only be for racing...that way I could launch... __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 05:10 PM	#12
tomzac Regular Join Date: Sep 2006 Location: Wisconsin Posts: 427 iTrader: 0 reviews	You could look into upgrading your rear brakes to the cobra size rotors which will give you a little more clamping effort to the rear tires. To do this mod I think all you need are the larger rotors, new pads, and an axle bracket at each side that relocates your stock calipers to use the larger rotors. There might be some small metal grinding too, but it's not that much if I remember right. __________________ 2002 Summer Beater

May 8th, 2007, 05:14 PM	#13
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	I would think it would fit with just 17in rims... __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 05:28 PM	#15
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	I still gotta try the high drive idle RPM's too it might work __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 8th, 2007, 05:45 PM	#17
ByPopularDemand Hardcore Enthusiast 2000 V6 Join Date: Jan 2007 Location: Albuquerque Posts: 2,670 iTrader: 0 reviews	Nice...I got the rims... __________________ 2000 V6 vert Mac LT headers, Mac O/R H-pipe, Mac CAI, ASP 25% underdrive pulley(r.i.p), SCT tune, 8.8 rear and 4.10 gears.

May 9th, 2007, 12:21 AM	#18
Onemanzu ¡ʇsnq ɹo uʍop ǝpısdn Join Date: Oct 2006 Location: Looking for free hand jobs in poland springs nebraska... silly gooses Posts: 12,514 Blog Entries: 1 iTrader: 0 reviews	im lost so your trying to get a higher launch RPM? ... and you have had the bottom end tuned to the best of its ability? not just raise the RPMs but more fuel and air? and ... move the spark a bit? __________________ My Foz

May 9th, 2007, 12:36 AM	#19
punkafi888 Regular Join Date: Jan 2007 Posts: 294 iTrader: 0 reviews	your rotors might be under spec? __________________

May 9th, 2007, 12:41 AM	#20
itschristorres8 Banned 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,859 iTrader: 2 reviews	bro im on 9in wide tires in the back and i can do a 20second burnout, launch at 1500 and i spin as well. tires or suspension work it the only way around it or t-lok/8.8 rear my 60foots are so ugly cuz my spins and slow launches. theres no way around it aside from tires or t/lok or suspension __________________ [SIGPIC][/SIGPIC] Acmillr loves me

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Loss of low end power

Loss of low end power

Re: Loss of low end power