Underdrive pulley? - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Rage · 10-04-2010, 10:13 AM

Is it worth it? I have heard serious mixed reviews! Any help guys. I only have a CAI, muffler delete. Getting Solo Hi Flow Cats soon too.

tarheel34 · 10-04-2010, 10:28 AM

I have the SLP pulley on mine and haven't had any problems. The car stays between 13 to 14 volts and all accessories work like they did before the install. It's a reasonably easy install, and the hp/dollar ratio is pretty good. I say go for it!

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2010 2-Tone · 10-04-2010, 10:30 AM

What HP gain to they claim for this item? Did you get what they claimed?

tarheel34 · 10-04-2010, 10:32 AM

SLP says 8-10. I haven't had the car on a dyno, but the butt dyno could tell a difference.

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gearhead440 · 10-04-2010, 10:35 AM

I second what tarheel34 said and have had no issues since installation this past July. TSP posted approx 9hp gain. I dynoed the car after performing all mods so I do not have a hp gain per mod, but it made a noticable increase from the moment it was installed and we are very pleased with the results. Very worthwhile mod in my opinion.

You may also want to consider adding the ADM race scoop to your CAI, especially if it is a closed box type, and installing a washer bag as well.

tarheel34 · 10-04-2010, 10:39 AM

Sorry to get a little O/T but the ADM scoop and washer bag is next for me. I just can't find a washer bag that I like. Any suggestions?

Quote:

Originally Posted by gearhead440

I second what tarheel34 said and have had no issues since installation this past July. TSP posted approx 9hp gain. I dynoed the car after performing all mods so I do not have a hp gain per mod, but it made a noticable increase from the moment it was installed and we are very pleased with the results. Very worthwhile mod in my opinion.

You may also want to consider adding the ADM race scoop to your CAI, especially if it is a closed box type, and installing a washer bag as well.

Sent from my Droid using Tapatalk

danhr · 10-04-2010, 10:54 AM

i think they are... it's roughly 10 REAR WHEEL horsepower gain.... but it gains it throughout the powerband... not just peak. I will take 10 hp across the board over 15 hp peak any day of the week.

caverman · 10-04-2010, 11:34 AM

http://www.camaro5.com/forums/showth...ght=underdrive

Thought I would pass this along in case anyone didn't see it.

I'm up in the are about the pulley. Not sure it's really going to be worth the effort. I would be curious to see if anyone really got 8-10 rwhp.

gearhead440 · 10-04-2010, 12:07 PM

This is the CAI and washer bag install that I did.

http://www.camaro5.com/forums/showthread.php?t=91410

gearhead440 · 10-04-2010, 12:12 PM

Caverman,
I achieved 400 rwhp with these mods, including the TSP UD pulley, so it has to be worth something.

C.A.I cold air intake, ADM race scoop, TSP underdrive pulley, hand ported exhaust manifolds with high-temp coating, rear cat removed, front cat ported for 3 inch inlet pipe with header wrap, polished throttle body, Mobil 1 trans fluid, Royal Purple gear lube in rear, Rev Xtreme catch can, stock exhaust system from cats back including stock mufflers.

http://www.camaro5.com/forums/showthread.php?t=106599

tarheel34 · 10-04-2010, 01:20 PM

Quote:

Originally Posted by caverman

http://www.camaro5.com/forums/showth...ght=underdrive

Thought I would pass this along in case anyone didn't see it.

I'm up in the are about the pulley. Not sure it's really going to be worth the effort. I would be curious to see if anyone really got 8-10 rwhp.

These are the instructions that I used when I installed mine. Worked like a charm!

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tarheel34 · 10-04-2010, 01:21 PM

Quote:

Originally Posted by gearhead440

This is the CAI and washer bag install that I did.

http://www.camaro5.com/forums/showthread.php?t=91410

Thanks! That's the one I'm gonna go with... Did you use the stock washer motor?

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SMGSS · 10-04-2010, 01:30 PM

We have dyno tested these a few times in the past. They gain power, are relatively cheap, and don't have any side effects. What more could you ask for?

gearhead440 · 10-04-2010, 02:37 PM

Tarheel34,
Regarding the washer bag, everything I did, including part numbers and prices, was in the post.

"ADM scoop from ADM Performance: $77 shipping included
Black CAI cold air intake, Apex-Speed: $449 shipped
65-66 Mustang windshield washer bag install kit, CJ Pony Parts, P/N WWK2: $24 shipped
Electric windshield washer pump, Summit Racing, ANCO P/N 65-01: $15
Total cost approximately $580, including various tie wraps, heat shrink, etc."

SMGSS,
Yes, the UD pulley is a very effective mod.

10-04-2010, 10:13 AM	#1
Rage TRI-COUNTY CAMARO... FTW! Drives: 2010 Camaro 2SS M6 Cyber Grey Join Date: May 2010 Location: South Florida Posts: 1,200 View My Garage	Underdrive pulley? Is it worth it? I have heard serious mixed reviews! Any help guys. I only have a CAI, muffler delete. Getting Solo Hi Flow Cats soon too. __________________ CAI inc. cold air intake, LG G6x3 cam, Patriot Gold Extreme Dual springs, Titanium retainers and locks, LG SuperPro 1 7/8 Long Tube headers with full 3" exhaust, DynoMax VT mufflers, SLP 4" tips, Moroso catch can, Race Ready electronic exhaust cut outs, Full painted Razzi body kit, Headlight Armor Smoke taillight and marker blackouts, T-Rex aluminum upper and lower grille, Polished aluminum front and rear bowties. Professionally installed and Dyno Tuned by HorsePower Sales, Pompano Beach FL.

10-04-2010, 10:28 AM	#2
tarheel34 Go Heels!!! Drives: 2010 Camaro 2SS/RS Join Date: May 2010 Location: WV Posts: 241	I have the SLP pulley on mine and haven't had any problems. The car stays between 13 to 14 volts and all accessories work like they did before the install. It's a reasonably easy install, and the hp/dollar ratio is pretty good. I say go for it! Sent from my Droid using Tapatalk __________________ Team L99 2010 Summit White 2SS/RS L99: TSP 1 7/8 LTs - Off-Road Pipes \| Tuned By BLUECAT \| CAI Cold Air Intake \| ADM Race Scoop \| SLP UD Pulley \| VMAX Throttle Body \| Magnaflow X-Pipe \| Muffler Delete \| SLP 160* T-Stat \| MSD Wires

10-04-2010, 10:32 AM	#4
tarheel34 Go Heels!!! Drives: 2010 Camaro 2SS/RS Join Date: May 2010 Location: WV Posts: 241	SLP says 8-10. I haven't had the car on a dyno, but the butt dyno could tell a difference. Sent from my Droid using Tapatalk __________________ Team L99 2010 Summit White 2SS/RS L99: TSP 1 7/8 LTs - Off-Road Pipes \| Tuned By BLUECAT \| CAI Cold Air Intake \| ADM Race Scoop \| SLP UD Pulley \| VMAX Throttle Body \| Magnaflow X-Pipe \| Muffler Delete \| SLP 160* T-Stat \| MSD Wires

10-04-2010, 10:35 AM	#5
gearhead440 Drives: Yellow 2SS, 6 speed manual Join Date: Jan 2010 Location: Concord, NC Posts: 218	I second what tarheel34 said and have had no issues since installation this past July. TSP posted approx 9hp gain. I dynoed the car after performing all mods so I do not have a hp gain per mod, but it made a noticable increase from the moment it was installed and we are very pleased with the results. Very worthwhile mod in my opinion. You may also want to consider adding the ADM race scoop to your CAI, especially if it is a closed box type, and installing a washer bag as well. __________________ Hers & His

10-04-2010, 10:54 AM	#7
danhr BAMF SS Drives: 2016 Camaro 1SS A8 Join Date: Mar 2010 Location: Ford City, PA Posts: 3,023	i think they are... it's roughly 10 REAR WHEEL horsepower gain.... but it gains it throughout the powerband... not just peak. I will take 10 hp across the board over 15 hp peak any day of the week. __________________ 2016 1SS A8: FBO + Circle D + P1X + Meth + Tuned by Pray Performance Stock Longblock 800 SAE rwhp. 9.4 @ 145 mph.

10-04-2010, 10:30 AM	#3
2010 2-Tone Drives: 2010 RY 2SS with Custom Stripes Join Date: Mar 2009 Location: Jennings, La. Posts: 2,220 View My Garage	What HP gain to they claim for this item? Did you get what they claimed?

10-04-2010, 11:34 AM	#8
caverman Drives: '69 SS Convertible Join Date: May 2009 Location: DFW, TX Posts: 7,111	http://www.camaro5.com/forums/showth...ght=underdrive Thought I would pass this along in case anyone didn't see it. I'm up in the are about the pulley. Not sure it's really going to be worth the effort. I would be curious to see if anyone really got 8-10 rwhp. __________________ *-2010 Camaro* 2SS \| M6 \| VR w/White Stripes \| 1 3/4" KOOKS - 3" Magnaflow \| LPE 3.91 gears \| ADM tuned \| Halltech w/ADM Scoop \| Spohn/BMR Trailing Arm/Toe Rod \| BC Coilovers\| Pedders FE4 ZL1 swaybars \| Cradle/Diff/Radius Rod bushings \| VMax TB \| Morimoto Projectors \| MGW shifter \| Red Calipers Build Journal

10-04-2010, 12:07 PM	#9
gearhead440 Drives: Yellow 2SS, 6 speed manual Join Date: Jan 2010 Location: Concord, NC Posts: 218	This is the CAI and washer bag install that I did. http://www.camaro5.com/forums/showthread.php?t=91410 __________________ Hers & His

10-04-2010, 12:12 PM	#10
gearhead440 Drives: Yellow 2SS, 6 speed manual Join Date: Jan 2010 Location: Concord, NC Posts: 218	Caverman, I achieved 400 rwhp with these mods, including the TSP UD pulley, so it has to be worth something. C.A.I cold air intake, ADM race scoop, TSP underdrive pulley, hand ported exhaust manifolds with high-temp coating, rear cat removed, front cat ported for 3 inch inlet pipe with header wrap, polished throttle body, Mobil 1 trans fluid, Royal Purple gear lube in rear, Rev Xtreme catch can, stock exhaust system from cats back including stock mufflers. http://www.camaro5.com/forums/showthread.php?t=106599 __________________ Hers & His

10-04-2010, 01:30 PM	#13
SMGSS Drives: 00 SS, 67 SS Join Date: Jun 2009 Location: Rochester, NY Posts: 251	We have dyno tested these a few times in the past. They gain power, are relatively cheap, and don't have any side effects. What more could you ask for?

10-04-2010, 02:37 PM	#14
gearhead440 Drives: Yellow 2SS, 6 speed manual Join Date: Jan 2010 Location: Concord, NC Posts: 218	Tarheel34, Regarding the washer bag, everything I did, including part numbers and prices, was in the post. "ADM scoop from ADM Performance: $77 shipping included Black CAI cold air intake, Apex-Speed: $449 shipped 65-66 Mustang windshield washer bag install kit, CJ Pony Parts, P/N WWK2: $24 shipped Electric windshield washer pump, Summit Racing, ANCO P/N 65-01: $15 Total cost approximately $580, including various tie wraps, heat shrink, etc." SMGSS, Yes, the UD pulley is a very effective mod. __________________ Hers & His

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