ZPI Stage 2 Head INFO?
#21
The stage II head is a difficult install not an impossible one. If you can install a clutch you can install a head. The factory service manual offers very detailed instructions and would be highly suggested to any novie attempting this install.
The stage II head alone will not offer that much power increase over a Stage I head. We have tested this on a turbo car we have not tested it for whp increase on a N/A. simply becasue we know it works and we do not have a non boosted tC anymore.
The thing to keep in mind when doing more hardcore parts for the tC and this is just the begining is that the bolt on power may not justify the cost but they are required to reach the next step. With this head our all motor pistons and a tune 200WHP is very easily obtainable.
-ZPIracing
The stage II head alone will not offer that much power increase over a Stage I head. We have tested this on a turbo car we have not tested it for whp increase on a N/A. simply becasue we know it works and we do not have a non boosted tC anymore.
The thing to keep in mind when doing more hardcore parts for the tC and this is just the begining is that the bolt on power may not justify the cost but they are required to reach the next step. With this head our all motor pistons and a tune 200WHP is very easily obtainable.
-ZPIracing
#29
ripp mods is looking for a stock head - if someone can get one ross might be interested in getting another head out on the market. contact ross@rippmods.com
#32
Senior Member
SL Member
Scion Evolution
Actually, I would be on the safe side and take one from the tC, it seems Camry parts can't be used on our cars. There is a discussion on this one 2AZ internals thread.
#33
Originally Posted by soros151
Actually, I would be on the safe side and take one from the tC, it seems Camry parts can't be used on our cars. There is a discussion on this one 2AZ internals thread.
#38
Senior Member
SL Member
Scion Evolution
Stage 1 I think a simple fuel management will work. With Stage 2 I think you should use e-manage Ultimate which can raise the rev limiter or another EMS that controls fuel and raises the rev limiter at least to a 7200 RPMs.