turbo choice?
07-05-2010, 12:58 PM
#3
0.0 BAR
Thread Starter
Join Date: Jul 2010
Posts: 8
07-05-2010, 01:30 PM
#4
1.5 BAR
Join Date: Oct 2009
Location: CHICAGO
Posts: 935
you can get the exhaust housing in different a/r's. i build mine the same way. i like mid to high rpm boost so i can drive it around without boosting until i want too. thats a pretty small motor so unless your building it for big power/high boost i would stay with a t28 because anything larger would be a waste. find a t28 with a 86 a/r t2 exhaust housing. that should give you a bit more lag. i believe they also can be found with the smaller 62a/r exhaust housing which will spin quick. these are more common. check the garrett site. they have a list of t28 turbos and one of them has an 86a/r housing. the next biggest is the t30 which uses the bigger t3 inlet flange but this turbo will be overkill for your build
Last edited by busa4; 07-05-2010 at 01:37 PM.
07-06-2010, 02:00 AM
#6
0.0 BAR
Join Date: Jun 2010
Location: United States
Posts: 1
turbo choice
run the gt25, upgrade the internal wastegate, and run a manual boost controller. the wastegate actuator for the stock turbo sucks and will cause serious boost spikes. the after market actuator will give adjustment on the exhaust side and be a more solid unit to control. the manual boost controller will give you just a little more boost control on the vacuum side. the gt25 is a good option for that power and a budget. if you want a little more power with no more boost, go with the gt28rs. the AR on the compressor side is more nominal and the turbine on the hot side reduces back-pressure a little. it frees a little power up and allows you to make more power on the same boost.
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