tvt pullies
Re: tvt pullies
Originally Posted by TVT_DESIGN
The crank pulley is also the Harmonic balancer on the N/A so a different size may not be cost effective at this point. Typical gains are 12-18HP depending on mods. Throttle response is greatly increased and you can expect about 3-5% improvement in gas mileage.
or is that just the crank pulley?
Re: tvt pullies
Originally Posted by TVT_DESIGN
There is a 5.5L graph on Mbworld but we will get down to the dyno in the next week or so for a v6 graph. Keep in mind our engine is modified a little...
Re: tvt pullies
Before everyone else asks... 'Please post before & after dynos'.
Regarding being close to 300hp, their 250 kit states 253hp, so you'll be closer to 300 than 200 if that's what you're asking. Remember, if a product (say pulleys) frees up/gains you an extra 10hp on a stock engine, it will not gain you that same 10hp on a modified engine. An engine will only produce so much power - you're just extracting all you can.
Those last few horses are the most expensive ones!!!
Regarding being close to 300hp, their 250 kit states 253hp, so you'll be closer to 300 than 200 if that's what you're asking. Remember, if a product (say pulleys) frees up/gains you an extra 10hp on a stock engine, it will not gain you that same 10hp on a modified engine. An engine will only produce so much power - you're just extracting all you can.
Those last few horses are the most expensive ones!!!
Last edited by spensley; 06-04-2008 at 08:53 AM.
Re: tvt pullies
well i wont be able to do a before and after dyno.. i am installing the pullies before i make the trip to orlando to do the dyno runs. so only an after dyno. sorry, i would really like to see it too but i dont have much of a choice. the shop is opening up for me on a day that they are closed so i can do the runs.
Re: tvt pullies
Originally Posted by spensley
Regarding being close to 300hp, their 250 kit states 253hp, so you'll be closer to 300 than 200 if that's what you're asking.
Re: tvt pullies
Originally Posted by HyprLtH20
well i believe tvt stated an actual 263hp with their cai on the tvt250 kit. i could be wrong however. that is just with a flash tune, a custom tune will show even more gains on top of all the other mods i currently have plus the pullies which go on hopefully tomorrow! you are definately right about the last few horses! you pay for them BIGTIME.. the only mods left for me after this will be cams and headers which im not sure if ill ever be able to afford!
anyways...how much did you pay for the lambo doors, and where did you fet them, i saw them on ctd, but they seemed a bit extreme on price just for the kit, especially when you do the conversion to australian currency.
Re: tvt pullies
Originally Posted by TVT_DESIGN
We had a customer get 271 HP out of our TVT250 kit and CAI with a custom tune.
300 HP with the pulleys is very feasible.
300 HP with the pulleys is very feasible.
Re: tvt pullies
Originally Posted by TVT_DESIGN
The crank pulley is also the Harmonic balancer on the N/A so a different size may not be cost effective at this point. Typical gains are 12-18HP depending on mods. Throttle response is greatly increased and you can expect about 3-5% improvement in gas mileage.
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