Beefier belt tensioner?

05roush0090 · March 7th, 2009, 09:00 PM

How many F/I guys are running an upgraded belt tensioner? I am trying to figure out if I will need one? As some of you know I have an install scheduled for May of this year, I am having the following installed:

Brenspeed Vortech V3 kit (non chargecooled)
Race delete plates
Mac Lts
Brenspeed offroad x
stg. II thumprs

the blower kit will only be pullied for 8 psi but I have seen a few threads on other sites where guys were shredding belts and ended up ugrading their belt tensioner as they were bending the oem one. Do you guys think I will need one? If I need it I will get it but if I dont I will not. I am not sure if the guys who upgraded were all positive displacement blower guys or not but it appeared that way, any centri guys upgrade?

qwik48r · March 7th, 2009, 09:04 PM

I think most guys run em... but your not really running all that much boost so I kinda question whether its necessary or not... hindsight, it cant hurt

thumprr makes the one to get I believe.

Anthony05GT · March 7th, 2009, 09:36 PM

The ThumpRR tensioner is the best around.

beefmobile · March 7th, 2009, 09:39 PM

haha you said beefier.

i guess i've made more of an impact on humanity than i had planned lol

qwik48r · March 7th, 2009, 09:41 PM

self centered bastard!!!

beefmobile · March 7th, 2009, 09:52 PM

hey he said it not me

qwik48r · March 7th, 2009, 09:55 PM

mmm BEEFY!

MSVR3 · March 7th, 2009, 09:58 PM

I'm running the Roush tensioner they use in their P51 Mustang without any problems. Bought it from Dyno Joe Performance for $199. I've heard nothing but good stuff about the Thump RRR Racing Tensioner but it will cost you over $300 plus cost of pulley.

05roush0090 · March 9th, 2009, 10:41 PM

I am still wondering if I need an upgrade or not I will ask Dave@brenspeed i suppose.

kenneth · March 9th, 2009, 10:50 PM

I upgraded mine also to the ROUSH tensioner when I added the supercharger, more for piece of mind. Never had any belt problems with it.
Ordered from JDM $189

2006greyGT · March 10th, 2009, 09:29 AM

Thumper FTMFW!!!

DynoJoe · March 10th, 2009, 07:32 PM

on every S/C install we do, we include in the price a Roush Tensioner. I run one on my Personal car and run the hell out of that Motor without a single Tensioner issue.

The issue comes up when you are on and off the gas quickly, causing the tensioner to "flex" and it will break.

NastyFX4 · March 10th, 2009, 07:34 PM

The Roush TVS comes with an upgraded tensioner, no issues with it so far.

navyman8903 · March 10th, 2009, 07:50 PM

steeda's is under $200 if I am not mistaken and if you are boosting that is cheap piece of mind I would say.

hellbred07 · March 10th, 2009, 07:51 PM

I have a $40 upgraded stock one from Kennebell and she holds just fine.Only down is the hole that the breaker goes into became larger i guess i didn't seat the bar in there properly.

navyman8903 · March 10th, 2009, 07:53 PM

I'm sorry the steeda is $119.00.....come on.

05roush0090 · March 10th, 2009, 10:47 PM

I am leaning towards the Roush tensioner but the steeda is a great price but it looks like a stock tensioner with a billet plate welded to it.

06VistaGT · March 11th, 2009, 01:05 PM

I picked one up from BGGPerformance a while back when I picked up their 8-rib conversion. No problems so far, but the Steeda piece is priced really well and they always make good stuff.

NastyFX4 · March 11th, 2009, 01:31 PM

Originally Posted by 05roush0090

I am leaning towards the Roush tensioner but the steeda is a great price but it looks like a stock tensioner with a billet plate welded to it.

Go with the Roush, it's just fitting for your car !!

onederful100 · March 11th, 2009, 02:07 PM

i have the thumprrr and a 8 rib kit. these are probly not necessary to run at 10psi or less. but i was having belt slip and pulley squealing so i went off the deep end and got them both. i know it's overkill but at least it'll be there when i need it. if you want the balls best, get the thumprrr.

March 7th, 2009, 09:00 PM	#1
05roush0090 Enthusiast 2005 Mustang GT Roush Join Date: Mar 2008 Location: Indiana Posts: 735 iTrader: 0 reviews	Beefier belt tensioner? How many F/I guys are running an upgraded belt tensioner? I am trying to figure out if I will need one? As some of you know I have an install scheduled for May of this year, I am having the following installed: Brenspeed Vortech V3 kit (non chargecooled) Race delete plates Mac Lts Brenspeed offroad x stg. II thumprs the blower kit will only be pullied for 8 psi but I have seen a few threads on other sites where guys were shredding belts and ended up ugrading their belt tensioner as they were bending the oem one. Do you guys think I will need one? If I need it I will get it but if I dont I will not. I am not sure if the guys who upgraded were all positive displacement blower guys or not but it appeared that way, any centri guys upgrade? __________________ 2005 BLACK Mustang GT Roush #05-0090 DOB manifold, m122 SC, gt500 TB, 52lbers, KB BAP, AFCO HE,Brisk plugs, Mac Lt's, Off road x, Roush TVS CAI, Detroit rocker sc grind cams, Brenspeed 93 tune, 10 psi (2.875" pulley) 470rwhp-419ftlbs sae

March 7th, 2009, 09:04 PM	#2
qwik48r MM Fanatic alotta shit no fat girls fast Join Date: Jan 2008 Location: in the woods Posts: 3,681 iTrader: 1 reviews	I think most guys run em... but your not really running all that much boost so I kinda question whether its necessary or not... hindsight, it cant hurt thumprr makes the one to get I believe. __________________ mind your business what i drive... i'm on a fucking mustang forum. qwik's build

March 7th, 2009, 09:36 PM	#3
Anthony05GT Hardcore Enthusiast Join Date: Feb 2009 Posts: 1,462 iTrader: 1 reviews	The ThumpRR tensioner is the best around. __________________ JDM 302 Stroker, Whipple 10 rib 12 psi, L&M, JBA, J&M, LFP, Corsa, BBR Stage II cams, Manley, MGW, McLeod RST, Metco, Steeda, Autometer, CDC, Street Scene, SOS, Tuned at JPC Racing by Kevin MacDonald

March 7th, 2009, 09:41 PM	#5
qwik48r MM Fanatic alotta shit no fat girls fast Join Date: Jan 2008 Location: in the woods Posts: 3,681 iTrader: 1 reviews	self centered bastard!!! __________________ mind your business what i drive... i'm on a fucking mustang forum. qwik's build

March 7th, 2009, 09:55 PM	#7
qwik48r MM Fanatic alotta shit no fat girls fast Join Date: Jan 2008 Location: in the woods Posts: 3,681 iTrader: 1 reviews	mmm BEEFY! __________________ mind your business what i drive... i'm on a fucking mustang forum. qwik's build

March 7th, 2009, 09:58 PM	#8
MSVR3 Premium Member 2008 Mustang GT/CS Join Date: Nov 2008 Location: DC Area Posts: 95 iTrader: 0 reviews	I'm running the Roush tensioner they use in their P51 Mustang without any problems. Bought it from Dyno Joe Performance for $199. I've heard nothing but good stuff about the Thump RRR Racing Tensioner but it will cost you over $300 plus cost of pulley. __________________ 534rwhp with Auto MMR Stroker,Blower Cams,Whipple HO w/3.1",60# Inj,GT500 T/B,8-rib kit,MSD Coils,10% Overdrive Pulley,Pypes Headers,X-pipe,Stingers,TCI Trans,3.73 Gears,FRPP Shocks/Struts/Springs,BMR Rear Sway, Panhard & Support bar,Roush LCA

March 9th, 2009, 10:41 PM	#9
05roush0090 Enthusiast 2005 Mustang GT Roush Join Date: Mar 2008 Location: Indiana Posts: 735 iTrader: 0 reviews	I am still wondering if I need an upgrade or not I will ask Dave@brenspeed i suppose. __________________ 2005 BLACK Mustang GT Roush #05-0090 DOB manifold, m122 SC, gt500 TB, 52lbers, KB BAP, AFCO HE,Brisk plugs, Mac Lt's, Off road x, Roush TVS CAI, Detroit rocker sc grind cams, Brenspeed 93 tune, 10 psi (2.875" pulley) 470rwhp-419ftlbs sae

March 9th, 2009, 10:50 PM	#10
kenneth Hardcore Enthusiast 2006 Mustang GT 11.45@123.61 Join Date: Nov 2007 Location: Cut Off, LA. Posts: 1,468 iTrader: 2 reviews	I upgraded mine also to the ROUSH tensioner when I added the supercharger, more for piece of mind. Never had any belt problems with it. Ordered from JDM $189 __________________ Stock for now.

March 10th, 2009, 09:29 AM	#11
2006greyGT Premium Member 2006 Satin Silver GT 11.08@125.22 Join Date: Aug 2007 Location: KC Posts: 3,073 iTrader: 0 reviews	Thumper FTMFW!!! __________________ 2.6l KENNE BELL 298 Stroker, Ported heads Pro Motion Built 3650/McLeod RST/ MGW Short Throw Long tube/O/R X /Borla Touring 8 rib/65 lb injectors/GT500 twin fuel ET Drag Slicks/3.73 gear Detroit Truetrac /CDC AGR Spoiler

March 10th, 2009, 07:32 PM	#12
DynoJoe Regular Join Date: Dec 2006 Location: Houston, Texas Posts: 452 iTrader: 0 reviews	on every S/C install we do, we include in the price a Roush Tensioner. I run one on my Personal car and run the hell out of that Motor without a single Tensioner issue. The issue comes up when you are on and off the gas quickly, causing the tensioner to "flex" and it will break. __________________ *Team Edlbrock Racing* Team Magnaflow Racing

March 10th, 2009, 07:34 PM	#13
NastyFX4 Made in U.S.A. 2011 F150 FX4 Join Date: Jan 2009 Location: Florida Posts: 16,010 iTrader: 9 reviews	The Roush TVS comes with an upgraded tensioner, no issues with it so far. __________________

March 10th, 2009, 07:51 PM	#15
hellbred07 Enthusiast Join Date: Aug 2007 Location: va Posts: 791 iTrader: 0 reviews	I have a $40 upgraded stock one from Kennebell and she holds just fine.Only down is the hole that the breaker goes into became larger i guess i didn't seat the bar in there properly.

March 10th, 2009, 10:47 PM	#17
05roush0090 Enthusiast 2005 Mustang GT Roush Join Date: Mar 2008 Location: Indiana Posts: 735 iTrader: 0 reviews	I am leaning towards the Roush tensioner but the steeda is a great price but it looks like a stock tensioner with a billet plate welded to it. __________________ 2005 BLACK Mustang GT Roush #05-0090 DOB manifold, m122 SC, gt500 TB, 52lbers, KB BAP, AFCO HE,Brisk plugs, Mac Lt's, Off road x, Roush TVS CAI, Detroit rocker sc grind cams, Brenspeed 93 tune, 10 psi (2.875" pulley) 470rwhp-419ftlbs sae

March 11th, 2009, 01:05 PM	#18
06VistaGT Hardcore Enthusiast 2006 Mustang GT Join Date: Oct 2007 Location: Fayetteville, NC Posts: 1,874 iTrader: 0 reviews	I picked one up from BGGPerformance a while back when I picked up their 8-rib conversion. No problems so far, but the Steeda piece is priced really well and they always make good stuff. __________________ Dyno vid: http://youtu.be/TkxUrW-mpBw

March 11th, 2009, 02:07 PM	#20
onederful100 Hardcore Enthusiast 2007 GT 2000 GT Join Date: Jun 2007 Location: Honolulu, HI Posts: 1,890 iTrader: 0 reviews	i have the thumprrr and a 8 rib kit. these are probly not necessary to run at 10psi or less. but i was having belt slip and pulley squealing so i went off the deep end and got them both. i know it's overkill but at least it'll be there when i need it. if you want the balls best, get the thumprrr. __________________ 2007 GT 5spd 2000 GT 5spd whipple crew member 2-Stang Crew My Car

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