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HARROP TVS, What You Need To Know & FAQ

Old 02-15-2010, 07:42 PM
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Riiiiiiitttteee !
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Old 02-16-2010, 01:48 PM
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Originally Posted by wickedss2005 View Post
ever see the movie babe?
baa ram ewe

baa ram ewe
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Old 02-16-2010, 01:51 PM
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babe...?, movie...? when 1950's
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Old 02-16-2010, 02:17 PM
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Originally Posted by Supercharged Guy View Post
babe...?, movie...? when 1950's


1995
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Old 02-16-2010, 04:53 PM
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^^It's pure win.

So anyway....

TVS... Is there an official dyno/quarter mile thread just for the TVS cars yet? I want to make one if not.
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Old 02-16-2010, 05:23 PM
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Originally Posted by Billig ss/sc View Post
^^It's pure win.

So anyway....

TVS... Is there an official dyno/quarter mile thread just for the TVS cars yet? I want to make one if not.
u should make one

my dyno sheets sittin next to me

Last edited by 06_SIC_SS; 02-16-2010 at 05:23 PM. Reason: Automerged Doublepost
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Old 02-16-2010, 05:25 PM
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Coming right up good sir!!
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Old 02-16-2010, 05:27 PM
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u decide to go tvs billig?

Originally Posted by Billig ss/sc View Post
Coming right up good sir!!
yes! unfortunaltly i dont have it uploaded anywhere so i cant post it up lol

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Old 02-16-2010, 05:30 PM
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Perhaps

TVS Dyno and 1/4 thread....
https://www.cobaltss.net/forums/show...98#post4694198
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Old 02-16-2010, 05:39 PM
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well this sucks. i have no printouts.
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Old 02-16-2010, 05:42 PM
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Originally Posted by WickedSS2005 View Post
well this sucks. i have no printouts.
lol whatd u get urs up to tom? ur word is my printout
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Old 02-18-2010, 03:56 AM
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click

Last edited by EatonTVS07; 02-18-2010 at 04:43 AM.
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Old 02-18-2010, 01:17 PM
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Originally Posted by 06_SIC_SS View Post
lol whatd u get urs up to tom? ur word is my printout
Mid 300's
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Old 02-24-2010, 08:48 PM
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has anyone had any problem with belt slipage on the tvs. vince is doin my tune and asked me if mine was. i guess my boost is fluxuating at high rpm's. any solutions? im still useing the stock belt.
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Old 02-24-2010, 08:51 PM
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Get a stage 2 belt.
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Old 02-24-2010, 08:56 PM
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Originally Posted by Cobalttc05 View Post
Get a stage 2 belt.
will a stage 2 belt fit on the stock tvs pulley
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Old 02-24-2010, 08:57 PM
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Yessir.
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Old 02-24-2010, 09:06 PM
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Originally Posted by jazzyjames1371 View Post
has anyone had any problem with belt slipage on the tvs. vince is doin my tune and asked me if mine was. i guess my boost is fluxuating at high rpm's. any solutions? im still useing the stock belt.
the stage 2 belt will fit. it is really tight, but will fit. keep an eye on the other things in your engine bay, like your coolant. if you notice any leaking from anywhere, including the expansion tank, then pop off the valve cover and check the head bolts.

on my 2nd WOT pull with the TVS, i saw a lot of boost fluttering and it ended up being the 2 head bolts to the left of cylinder #1 had stretched, letting the head lift off the block. the bolts are tq-to-yield and are not suitable for the motor past 250whp. keep an eye on your coolant, and your oil, to see if it is mixing with coolant at all. and do a comp test
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Old 02-25-2010, 08:02 AM
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Originally Posted by Tennpenn83 View Post
the stage 2 belt will fit. it is really tight, but will fit. keep an eye on the other things in your engine bay, like your coolant. if you notice any leaking from anywhere, including the expansion tank, then pop off the valve cover and check the head bolts.

on my 2nd WOT pull with the TVS, i saw a lot of boost fluttering and it ended up being the 2 head bolts to the left of cylinder #1 had stretched, letting the head lift off the block. the bolts are tq-to-yield and are not suitable for the motor past 250whp. keep an eye on your coolant, and your oil, to see if it is mixing with coolant at all. and do a comp test
or you could just add nitrous and let us know how that works out
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Old 02-25-2010, 03:12 PM
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um... i have since fixed the problem... but nitrous would be fun...
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Old 03-03-2010, 05:45 PM
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bump very informative!
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Old 03-28-2010, 11:54 PM
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Sub...at some point I need to do more research to figure out with this mod when I add it, what set-up will be most reliable...I'm looking for a set-up that will get me 100K out of the motor of course if the motor is healthy when the mod is added.
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Old 03-29-2010, 09:16 PM
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Also, will it pass emissions and I presume one needs a little more oil for oil changes since the SC is bigger and needs more?

Originally Posted by Tennpenn83 View Post
um... i have since fixed the problem... but nitrous would be fun...
What was wrong? You still feel like the motor needs some upgrades to handle the TVS?

And another thing....LOL..... spark plugs....recomendations there...I am running one range colder now, will that work and do things change with the pulley swap just like on the M62 blower where dropping pulley upping boost means two range colder plugs ect...

Last edited by CobaltSSilver; 03-29-2010 at 09:16 PM. Reason: Automerged Doublepost
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Old 03-29-2010, 09:21 PM
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Originally Posted by CobaltSSilver View Post
Also, will it pass emissions and I presume one needs a little more oil for oil changes since the SC is bigger and needs more?
the TVS is sealed from Harrop just like the M62. they have their own oil, and per the manufacturer, they are good for the life of the unit.

emissions... you should be good if your tune is good. cat-less is another story

Originally Posted by CobaltSSilver View Post
What was wrong? You still feel like the motor needs some upgrades to handle the TVS?
my own opinion is to at least upgrade the stock head bolts to head studs. other than that, you can push the stock pistons quite far. the rods are plenty strong, and the crank is forged from the factory. i don't feel any more upgrades are needed on my car unless i blow out a sleeve, but then again, that *should* not happen if your tune is good. knock is the enemy.
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Old 03-29-2010, 09:27 PM
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Originally Posted by Tennpenn83 View Post
the TVS is sealed from Harrop just like the M62. they have their own oil, and per the manufacturer, they are good for the life of the unit.

emissions... you should be good if your tune is good. cat-less is another story



my own opinion is to at least upgrade the stock head bolts to head studs. other than that, you can push the stock pistons quite far. the rods are plenty strong, and the crank is forged from the factory. i don't feel any more upgrades are needed on my car unless i blow out a sleeve, but then again, that *should* not happen if your tune is good. knock is the enemy.
Thank you, anybody have head studs out of the supporting vendors that I could buy? I will probably say screw it and go with 79 injectors with the 2.75 off the bat with the 3" intake. Sounds like the upgraded TB will not be as nice for the street. She is the daily driver and weekend track toy so she needs to stay reliable and streetable.
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