S4 TII BP build
#1
S4 TII BP build
Hey guys, I have read up a bit in the turbo section and now I have a few questions of my own.
I will be getting my hands on a low miles S4 TII engine. I will be doing a Bridgeport on the motor with a Weber 48IDA. Max RPM will be 8200. I have a bridgeport template here and will be ordering the Pineapple Racing BP Exhaust template soon enough. I will be turboing the motor after I finish breaking it in with a GT4088, probably something like this: http://cgi.ebay.com/ebaymotors/Preci...QQcmdZViewItem
My question being, will this turbo work on the motor with the 1.19 turbine? Or would it be better with the .96? I would think the 1.19 would be better off since it will not restrict the flow up top, but I am worried about the lag it may have (even with the bridge). I am looking for full boost by 5k and 400whp on pump. Turbo will be ran with a W/A intercooler. If I am missing any information let me know...
EDIT: I hear that the rear S4 Iron is prone to cracking under high boost, so I would like to keep boost to around 15psi, or should I spring for an S5 rear iron?
I will be getting my hands on a low miles S4 TII engine. I will be doing a Bridgeport on the motor with a Weber 48IDA. Max RPM will be 8200. I have a bridgeport template here and will be ordering the Pineapple Racing BP Exhaust template soon enough. I will be turboing the motor after I finish breaking it in with a GT4088, probably something like this: http://cgi.ebay.com/ebaymotors/Preci...QQcmdZViewItem
My question being, will this turbo work on the motor with the 1.19 turbine? Or would it be better with the .96? I would think the 1.19 would be better off since it will not restrict the flow up top, but I am worried about the lag it may have (even with the bridge). I am looking for full boost by 5k and 400whp on pump. Turbo will be ran with a W/A intercooler. If I am missing any information let me know...
EDIT: I hear that the rear S4 Iron is prone to cracking under high boost, so I would like to keep boost to around 15psi, or should I spring for an S5 rear iron?
#2
5 and counting.
iTrader: (7)
I believe the rear iron on S4 only crack because of engine detonation. It can only take a small amount to crack it. Usually people running high boost with shitty tunes claim that the iron breaks just because of BOOST.
I could be wrong though and all in all it wouldn't hurt to have the extra strength of the S5 iron.
I could be wrong though and all in all it wouldn't hurt to have the extra strength of the S5 iron.
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