Official TVS Thread!!!
#8655
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Join Date: 03-07-06
Location: Nassau County Long Island NY
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yes
alky control
spraying lots of meth is not a problem, using a cheap kit is.
cheap kit
this
alky control
Well I ran meth injection for 4 years with my M62 and TVS. It does work really well if you don't have access to E85. The problem I did was I got a little greedy with it spraying larger amounts. Last year the line pulled off the pick up line of my meth and took my motor down. But I was spraying so much that the car relied on it. So if you choose to spray meth, just done tune it so the car relies on it and you can catch it if you ever have an issue.
cheap kit
this
#8658
Just a question regarding the meth injection, anyone think aem's wideband fail safe gauge could potentially pick up the meth pump failing and revert the car to a rich tune to protect the engine? Or that split second is enough to destroy it?
#8661
Mine is on the other end of the spectrum. 17gph of straight meth. I have had it quit twice. Once tank was empty, other the boost line popped off thanks to 30 psi. Both times I was logging, and both times the car just dumped over as if I let off the gas. No kr. No problems.
#8662
Wow that's crazy arm haha. Back when I ran a 7gph on my M62 the pump quit but kr would go crazy with and sort of wot so I knew. The last time with my 14gph all it took was a quick 4-7k pull in 2nd passing someone and I busted a ring land. No kr even showed up. Perhaps it was just detonating that hard.
#8664
Senior Member
iTrader: (4)
Mine is on the other end of the spectrum. 17gph of straight meth. I have had it quit twice. Once tank was empty, other the boost line popped off thanks to 30 psi. Both times I was logging, and both times the car just dumped over as if I let off the gas. No kr. No problems.
Me personally, I recommend meth to people who don't have access to E85. I ran meth for about 6 months quite a while ago, had a fuse pop where my power line was tapped (no ones fault but my own) and the pump quit because of it and I saw quite a bit of KR and a bit lean for a few pulls, but was only on a 5gph or 7gph nozzle, can't remember, and I caught it in time and didn't do any damage. I ripped the kit off the next day and ordered some injectors and started with E85 and the car hasn't seen a drop of 91 since, promised my car I'd never put it on pump gas nonsense again. That was nearly 5 years ago now. So in short my opinion is run meth if you can't run E85, don't get the TVS if you aren't going to run meth (or if you want my real opinion I'd say don't run the TVS if you can't run E85), and if you run meth get a good kit with as many failsafe features as possible because you will need a large nozzle to make it worth your while to get some decent gains.