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yes , after 4500rpm i've impression that the engine can not rev zippy,to much back pressure.I thought that the 1jz was high rev engine .I have a lot of power but it rev slow ,maybe i make mistake and it's normal! when i went to dyno i compare my dyno sheet with stock twin dyno sheet,and i...

can i expect that my engine will rev faster , cause actually he rev slow like a oldschool v8

i have a gt3076r with .63 hot side on 1jz , it's a torque monster,but i want more top end power. I think .63 it's too small for top end power,i only does 13's and 114mph ,i'm really disappointed . If i'll try to change the hot side for .82 or 1.06 , do i waste my money and i'll be better to go...

come on ~ 5k rpms ?? is it the full boost is it streetable . i have seen a 2jz t78 dyno sheet , and at 4500rpm it have 400whp ,that look like my 3076

what would be like a t78 1jz: how much whp will be possible which rpm for max boost it will have a lot of lag is it a old turbo outdated have it big difference in power and lag with a garrett gt3076r i wonder if greddy do not have adapted their turbo for japanese high rev engine...

i had trouble like that , and in my case it was crack on each coil(check the plastic around the spring of secondary circuit),i put 3m electric tape around and the touble was fixed

i made 432whp and 419 pound of torque with this turbo on 94 octane but i have cam and power fc and alot other stuff

anybody's know where a can buy the stock side skirt for supra rz jdm, toyota canada don't want to order them from japan thanks

why almost all 1jz header are t4 , it's not a bit too large for just 2.5 l

where can i see drewgo manifold? i already have xspower , but its like ebay stuff i want flange angle for turbo and bigger wastegate tube ; like this: but my question is , is this adapter ok ?? anybody already used this

where can i see drewgo manifold? i already have xspower , but its like ebay stuff i want flange angle for turbo and bigger wastegate tube ; like this: but my question is , is this adapter ok ?? anybody already used this

i'm searching for t3 header for 1jz, they're hard to find.I don't understand that all online shop only sell t4.The only t3 i saw, is on ebay but they're look bad is it ok to put an t3/t4 adapter on t4 header? where can i find a good t3 header for my 3082r?

i probably have to put the 3 first switch for "other japanese vehicule" fourth probably "off" five to eight ???? if i don't want speed limiter????

anybody have this on his jza70 because i have to install one and it have 8 little switch on/off to place i have the instruction manual but it is in japanese :1zhelp: thanks

i saw a couple of supplier, i dont know which is better -exedy -os giken -spec -trd -hks ???????

if i put one of these hard clutch,can i'll still shift smoothly,for sunday ride cause one of my friend have put a rps on his honda h22a and he is always obliged to make racing shift

i project to have between 450-600 hp :aigo: ,anybody know a good clutch kit for street application-and where i can buy it thanks :1zhelp:

if i change my turbo for a single garrett,what is the best turbo size for engine response ,gt30r with t25 .64a/r hot side or gt35r with t3 .63a/r hot side

if i change with garrett gt3582r .63 , do the turbine will spin as quickly as ct12a's? do i've to put short or long runner headers? i think my setup doesn't boost before 4000rpm and full boost at 5500rpm,that sucks!! do you have any recommendation to help me;i can put money but not A...

i have a tt-r supra with 1jz engine.When i buyed it she was stock and very fun to drive at all point.after i put a gt35r .63 a/r (made in china)from suprastore and the car loose all the good point he haved before;lot of lag,no response.....no pleasure i want ultimate response but the stock...