toda vtec killer cams
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Joined: Jan 2003
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toda vtec killer cams
i was looking to put a set of toda vetc killer cams in a b16a what do you think?? does anyone have them, do they make good power, and are they streetable
[Modified by r20fx402, 4:58 AM 1/24/2003]
[Modified by r20fx402, 4:58 AM 1/24/2003]
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Joined: Jul 2001
Posts: 4,521
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From: Extraordinary Machine
Re: toda vtec killer cams (r20fx402)
Yoink!
Snatched this up for ya real quick!
Basically they make a bad *** cam, I want them really bad. Someday...
Either Toda or CTR for me.
If someone has a dyno please enlighten us!
Snatched this up for ya real quick!
TODA Racing Billet VTEC Camshafts
TODA Racing has been producing billet VTEC camshafts since 1994, longer than any other manufacturer. Years of experience with B16A and B18C engines have allowed TODA Racing to produce the best performing and most proven DOHC VTEC camshafts available.
Opening Valve Rate Improved: By improving the opening valve rate via the smooth acceleration and the smoothing of the transition from closed to open the period of time that the valve is open for is greatly improved. So by using the principals of quick but smooth actions more air can be drawn through the engine.
Non-symmetrical: The cam profile of both the opening and closing phases of the valve lift are not symmetrical, as the closing phase is designed to be long and slow, so reducing the impact of the valve when it returns to the seat. Making the valve return quietly to the seat reduces friction, improves reliability and at the same time reduces valve train noise.
Material quality: We do not only pursue improvements in power output (via, mechanical design) but we also pursue material quality, in particular the relationship between the contact face of the cam, rocker arms and cam followers, so helping to reduce friction further. We also conduct research into the thermal process on the surface of the cam. All this data forms the basis for the production of many prototypes where bench tests are carried out alongside actual racing. With everything done in house there is no room for compromise and so you can only benefit from our constant search for improved performance.
TODA Racing has been producing billet VTEC camshafts since 1994, longer than any other manufacturer. Years of experience with B16A and B18C engines have allowed TODA Racing to produce the best performing and most proven DOHC VTEC camshafts available.
Opening Valve Rate Improved: By improving the opening valve rate via the smooth acceleration and the smoothing of the transition from closed to open the period of time that the valve is open for is greatly improved. So by using the principals of quick but smooth actions more air can be drawn through the engine.
Non-symmetrical: The cam profile of both the opening and closing phases of the valve lift are not symmetrical, as the closing phase is designed to be long and slow, so reducing the impact of the valve when it returns to the seat. Making the valve return quietly to the seat reduces friction, improves reliability and at the same time reduces valve train noise.
Material quality: We do not only pursue improvements in power output (via, mechanical design) but we also pursue material quality, in particular the relationship between the contact face of the cam, rocker arms and cam followers, so helping to reduce friction further. We also conduct research into the thermal process on the surface of the cam. All this data forms the basis for the production of many prototypes where bench tests are carried out alongside actual racing. With everything done in house there is no room for compromise and so you can only benefit from our constant search for improved performance.
Either Toda or CTR for me.
If someone has a dyno please enlighten us!
Re: toda vtec killer cams (w00t!)
why would people want "vtec killer" anything? as far as i know, its good to have a lower cam profile at low RPMs, and a higher one at high RPMs. better torque/hp across the board. Why not just get a cam with a perfect Low/High cam size? give one GOOD reason to eliminate the vtec function
[Modified by 22lbGS-R, 11:44 PM 1/23/2003]
[Modified by 22lbGS-R, 11:44 PM 1/23/2003]
Re: toda vtec killer cams (r20fx402)
Streetable - no. Race only application.
The VTEC killers weren't given that name just because they decimate all and everything in between.
That name refers to the elimination of the VTEC system in favor of using only 2 high lift/long duration cam lobes and rocker arms per cylinder (instead of using 3 cam lobes and 3 rocker arms - 2 for low rpm and 1 for high rpm)...identical in concept to the non-VTEC motors, with slightly different implementation.
The topic has been covered at least a couple of different times. Search for them.
The VTEC killers weren't given that name just because they decimate all and everything in between.
That name refers to the elimination of the VTEC system in favor of using only 2 high lift/long duration cam lobes and rocker arms per cylinder (instead of using 3 cam lobes and 3 rocker arms - 2 for low rpm and 1 for high rpm)...identical in concept to the non-VTEC motors, with slightly different implementation.
The topic has been covered at least a couple of different times. Search for them.
Honda-Tech Member
Joined: Mar 2002
Posts: 9,854
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From: Southern California, U.S.A.
Re: toda vtec killer cams (IN VTEC)
Another benefit of VTEC killers is the reduction in valvetrain weight, good for high rpm. As stated previously, not really streetable.
Joined: Oct 2002
Posts: 582
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From: So Cal
Re: toda vtec killer cams (tnbigdawg)
some of the pioneers used to run eliminated VTEC in their cars for drag racing. their custom cams were that good, that VTEC wasnt needed.
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From: Woodbridge, NJ, Middlesex
Re: toda vtec killer cams (texan)
some of the pioneers used to run eliminated VTEC in their cars for drag racing. their custom cams were that good, that VTEC wasnt needed.
I think you mean that their RPM range was so narrow, VTEC wasn't needed. Its a simple fact that over a 2000-2500 RPM range, VTEC is unecessary. Its also a simple fact that over a 6000 RPM range, VTEC is very beneficial. Hence it's use.
I think you mean that their RPM range was so narrow, VTEC wasn't needed. Its a simple fact that over a 2000-2500 RPM range, VTEC is unecessary. Its also a simple fact that over a 6000 RPM range, VTEC is very beneficial. Hence it's use.
If I remember my dyno sheet of the killer cams the rpm range was around 2500rpm to 2800rpm ... more than enough for tighter geared tranny.
No VTEC Killers are race use only and are not recommened for street/daily use, they idle at 1500-1800rpm and really smote up on your valvetrain.
Greg
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