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HARROP TVS, What You Need To Know & FAQ

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Old 01-03-2012, 10:53 PM
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90/10 or bust ^_^
Old 01-03-2012, 10:54 PM
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you seem to have a pretty nice set up, what power are you trying for?
Old 01-03-2012, 11:14 PM
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Originally Posted by Omnigear
90/10 or bust ^_^
I'm sure the TVS would enjoy that a lot more haha.


Originally Posted by Jrhdpaintball
you seem to have a pretty nice set up, what power are you trying for?
Thanks man. Well I'm not going ***** out just yet. I'm going to take baby steps just because this car is my DD. So I'm going to run a little more on the concervative side for now. My goal (god willing) this summer is to touch the 12's and trap 110mph. I think it's dooable with the 2.9". But I guess we will see haha. I need a good tune is the biggest thing. I have a few guys in mind on here.
Old 01-04-2012, 09:21 AM
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Anyone else have input in pre or post blower running meth in a tvs?
Old 01-04-2012, 09:25 AM
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should def do post blower... you wanna keep ur TVS in the best shape possible and if u ever sell it u can say u never ran meth thru it
Old 01-04-2012, 09:47 AM
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Originally Posted by Bluelightning
I'm sure the TVS would enjoy that a lot more haha.



dont matter if its 100% or 5%
as long as you can hit the optimal timing with it.
less meth less $ you gotta burn through and more
free cooling with water ^_^
Old 01-04-2012, 10:05 AM
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Originally Posted by Bluelightning
Yeah I'm sure that plays a big part also. I will be running 50/50.
You have to do something to raise your octane or your TVS car will be slow. If you going to run Meth then run it through the blower to help keep it cool. But be prepared to have it rebuilt if you start hearing noise from the methanol removing the grease in the bearings.

Anyone who thinks that methanol can not be used as a solvent on petroleum based products needs to learn how to google.
Old 01-04-2012, 10:21 AM
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Yeah I got no choice but to run meth. We have no E in Canada. Is the insides of a TVS much different then an M62? I've run meth through my heaton for 2 years with no issues.
Old 01-04-2012, 10:30 AM
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<no e/meth

...see how it goes, going a lil richer than my m62 tune too help a bit. hoping i can at least run the stock timing table more would be great though deff gonna bump up the mid range
Old 01-09-2012, 10:14 PM
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Originally Posted by Chevycobaltss3
Anyways whoever beleives the Meth caused the bearings to go out need to wake up. Just end the posts please. Meth did not at all cause the bearings to go out. Most likely cause was poor manufacturing...
I ran 50/50 meth with a 6gph nozzle with my tvs for 70k or so, its still doing just fine. That said, I'm on E85 now and no longer spraying it
Old 01-10-2012, 08:34 AM
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ive been running pre TVS on a spacer with a 50/50 mix for a while and weve seen my results. ive seen guys have issues with the needle bearings that werent even running meth. It is my opinion that some just had a bad batch of bearings ive had no issues, and im spraying a 10gph nozzle.
Old 01-10-2012, 03:29 PM
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im happy so i post this everywhere



im an intake *****, finally got the setup i was shooting for to work(i was so happy about that i put the tvs back on too )

full stock box with my K&N cone filter and water shield(just cuz i had it)



sound comparison, only difference is stock(30,000mi) paper filter+m62 vs k&n filter+tvs

2nd Gear Pull (Good Sound Quality) - YouTube MAF Tuning Window Up - YouTube
Old 01-10-2012, 06:14 PM
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Just curious does the TVS Whine any different than the M62 or is it Louder or Quieter?
Old 01-10-2012, 06:18 PM
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Originally Posted by Sully20
Just curious does the TVS Whine any different than the M62 or is it Louder or Quieter?
It is quieter pulley for pulley than the M62
Old 01-10-2012, 06:31 PM
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Originally Posted by Sully20
Just curious does the TVS Whine any different than the M62 or is it Louder or Quieter?
at top it whines like a run away diesel.
lower mid its timmid
Old 01-10-2012, 08:50 PM
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its also a deeper/lower tone to it than the m62

its a little clearer here

http://youtu.be/xrVhOkz5-nw
Old 01-10-2012, 09:02 PM
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good info on this post
Old 01-10-2012, 09:50 PM
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Originally Posted by RooTBeeR
its also a deeper/lower tone to it than the m62

its a little clearer here

MAF Tuning Window Down - YouTube
show em the high note , on top ^_^ when it sounds like your about to break the sound barrier ^_^
Old 01-10-2012, 10:41 PM
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Originally Posted by 383_Stroker
I ran 50/50 meth with a 6gph nozzle with my tvs for 70k or so, its still doing just fine. That said, I'm on E85 now and no longer spraying it
This is what I like to hear!
Old 01-10-2012, 10:48 PM
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http://www.facebook.com/v/618458108349
Ignore the rev limiter.. and the massive clutch slip.. Here's a video from about a year and a half ago of my car, I believe it was TVS - 3.1 Pulley - GMPP Exhaust then
Old 01-10-2012, 11:19 PM
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You guys are killing me with the TVS vids! Haha. I have another 3 months of snow till I can bolt mine on .
Old 01-10-2012, 11:48 PM
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Rootbeer, what pulley is that pull on?

Bluelightning......this is just for you

pull.MOV - YouTube
Old 01-11-2012, 07:15 AM
  #373  
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Originally Posted by InfraRedline
It is quieter pulley for pulley than the M62
This.
Old 01-11-2012, 09:21 AM
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Originally Posted by Omnigear
show em the high note , on top ^_^ when it sounds like your about to break the sound barrier ^_^
lol i cant make that high note with out my 304SS CAI, higher rev limit, and a lot smaller pulley

Originally Posted by InfraRedline
Rootbeer, what pulley is that pull on?

Bluelightning......this is just for you

pull.MOV - YoufgTube
^ at the vid for Blue


only pulley i have still is the pansy pulley(80mm/3.15") that it came with, i gotta figure out how well i can tune it with 20psi...need to see how close i can get to that oh so well known 300hp/260tq before i try to go for much more i'd be plenty happy at 300-350 to the wheels, im not a fan of traction issues
Old 01-11-2012, 10:04 AM
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One thing I will miss is the whine of an M62


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