2jz-gte vvt-i swap~ question...
08-22-06, 06:45 PM
#1
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2jz-gte vvt-i swap~ question...
does anyone drop 2jz gte vvt-i in your car? i want to know how hard is it...
if you know any web site about 2jz gte vvt-i swap please post it for me.. thank you..
if you know any web site about 2jz gte vvt-i swap please post it for me.. thank you..
08-23-06, 02:04 AM
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The VVTi has a much broaded torque curve with higher peak torque output. Not to mention the engine is safe till about 600bhp, also I think the Rods being weaker was a myth more than anything else as was shown on Supraforums. Do a search on there for more info on the VVTi block and how it compares to the Non-VVTi block. For replacement CAMS you can pick up the HKS Valcon Pro system, which includes uprated CAMS as well as a cam controller. Hope that helps 
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08-23-06, 08:38 PM
#4
The VVTi has a much broaded torque curve with higher peak torque output. Not to mention the engine is safe till about 600bhp, also I think the Rods being weaker was a myth more than anything else as was shown on Supraforums. Do a search on there for more info on the VVTi block and how it compares to the Non-VVTi block. For replacement CAMS you can pick up the HKS Valcon Pro system, which includes uprated CAMS as well as a cam controller. Hope that helps .
.the pro system cam set up worth? I've been disconnected w/ the more
recent VVTi stuff because the last VVTi head that PHR did for me, Jarrid
deleated the VVTi completely & went w/ the standard 272 set up.
If I can get more torque w/ a set of rods & the VVTi set up @ 800hp
I'm interested.
08-24-06, 06:22 AM
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Regarding BHP I'm talking to be on the safe side with UK figures (compared to US Figures which are approx 10-20% higher).
The HKS Valcon Pro costs about $1200 IIRC from Japan, which enables you to tune a set of agressive HKS VVTi cams using the VVTi system (I hope that makes sense), it's basically like tuning VTEC with the exception of having more aggressive cams which you can tune per 500rpms or 200rpms (not certain). IMHO it's just a bit more of a headache for people who have not tuned VVTi hence alot of people haven't gone that route, but the returns are DEFINITELY worth it when/if done right. The HKS also works in conjunction with the FCON V Pro which is another plus. (I sound like a HKS Marketing person haha).
The more torque reasoning can be seen with the actual specifications on both the Non-VVTi Supra/Aristo's and the VVTi Supra/Aristo's. It's also been shown on supraforums that there is alot to gain. Lowend torque is improved a lot as well as top end torque as well as fuel economy - no downsides whatsoever. Oh did I mention a flatter torque curve?
Again as I said the gains are there, just have to find a tuner competant enough and if they are competant enough they have to be bothered to tinker with the system. Had alot of talks via email regarding building my Aristo block (HKS Stroker, Retainers, etc) with Ben Phillips of PHR and he was very much interested in seeing what a VVTi block can pull with the 3.4L Stroker, albeit I let him down due to funds not being available.
If you really want to do a different project DEFINITELY look into the VVTi Aristo/Supra block as it'd be a worthwhile upgrade although a bit of a PITA.
The HKS Valcon Pro costs about $1200 IIRC from Japan, which enables you to tune a set of agressive HKS VVTi cams using the VVTi system (I hope that makes sense), it's basically like tuning VTEC with the exception of having more aggressive cams which you can tune per 500rpms or 200rpms (not certain). IMHO it's just a bit more of a headache for people who have not tuned VVTi hence alot of people haven't gone that route, but the returns are DEFINITELY worth it when/if done right. The HKS also works in conjunction with the FCON V Pro which is another plus. (I sound like a HKS Marketing person haha).
The more torque reasoning can be seen with the actual specifications on both the Non-VVTi Supra/Aristo's and the VVTi Supra/Aristo's. It's also been shown on supraforums that there is alot to gain. Lowend torque is improved a lot as well as top end torque as well as fuel economy - no downsides whatsoever. Oh did I mention a flatter torque curve?
Again as I said the gains are there, just have to find a tuner competant enough and if they are competant enough they have to be bothered to tinker with the system. Had alot of talks via email regarding building my Aristo block (HKS Stroker, Retainers, etc) with Ben Phillips of PHR and he was very much interested in seeing what a VVTi block can pull with the 3.4L Stroker, albeit I let him down due to funds not being available.
If you really want to do a different project DEFINITELY look into the VVTi Aristo/Supra block as it'd be a worthwhile upgrade although a bit of a PITA.
08-26-06, 06:17 PM
#6
Since we cluttered this thread w/ semi off topic chat. Heres a link to get you started.
https://www.clublexus.com/forums/sho...d.php?t=233748
Back off topic, the VVTi head seems it does have advantages. Which
was the point of VVTi developement, it seems it can get a bit more
pricey for the high HP level.
LOL - I can only imagine the cost to fly Ben over the pond & put him
up for a few days just to tune. Money well spent, but non the less.
When he's in town here everyone lines up like they're @ a bath house.
https://www.clublexus.com/forums/sho...d.php?t=233748
Back off topic, the VVTi head seems it does have advantages. Which
was the point of VVTi developement, it seems it can get a bit more
pricey for the high HP level.
LOL - I can only imagine the cost to fly Ben over the pond & put him
up for a few days just to tune. Money well spent, but non the less.
When he's in town here everyone lines up like they're @ a bath house.
08-27-06, 01:35 AM
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my friend has a jspec 2jzgte vvti in his is300...it was running fine with the stock twins but when he upgrade to a single (complete greddy system) it ran like crap...no one seem to want to try to tune it since he was trying to avoid using a standalone...they finally were able to tweak it but tranny is showing its wear so they put aside for now...
Last edited by FiSta; 08-27-06 at 09:48 AM.
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