hi I have just bought a new engine with a gt3076r turbo kit, but I already had a 5557bb turbo kit, im trying to decied which turbo setup to keep and which one to sell,
my motor set up is
b18c darton mid sleeved block
81.5mm cp pistons with 9.5cr
crower h beam rods
b18c type r head
full skunk2 vavle train
crower stage 2 turbo cams
type r tb and im
hasport mounts and cv's
b16a gearbox with quaife lsd
400/lph fuel pump

here is were it gets tricky I will list the to setups I have
gt3076r constist of
ram style manifold,
tial 40mm waste gate
2bar map sensor
780 cc rc injectors with high flow fuel rail
msd ignition, system, msd high voltage coil
3inch exhaust system,


and here is the 5557bb setup
a topmount manifold with a billet 5557bb with ar.70 / ar.63
hondata cop system
44mm tial waste gate
precision 1000cc injectors
3inch exhaust system
either setup I go with will be run on a hondata tuned on e85,
I also have koyo rad, intercooler etc

im trying to figure out which setup is going to be the best for both street use and some 1/4mile runs, power wise on the street I would run no more then 300hp but at the track I would like to see 400/450hp.
I need to figure out which combo to sell.

 

Keep the GT3076R.

Garrett usability (though 300whp is just starting to get good). easy interchangability for housings if needed, and can be upgraded to something better even later

 

could I modify my top mount manifold to suit the gt30

 

Of course you can. Might not even be that much to modify depending upon what turbine housing downpipe flange you have and the one used on the manifold

 

Havent heard much on the reliability of Precisions ceramic ball bearing cartridges, so I would have more faith in the Garrett unit.

 

I would personally use some parts from each "kit" you listed.

Garrett 30r turbo.
Topmount.
PTE 1000cc.
Hondata COP.
3" Exhaust.
Tial 44mm wastegate.
Ect Ect.

Anyway you go it sounds like you'll have a good efficient kit for 400-450whp.

 

thanks for the info guys, I will have to get the manifold modified I love the topmount,
and I think what shawty22 said is the way to go take some bits from both setups to make the best one.

 

Stick with the smaller gate for that setup. No need for a 44mm for that range of power or boost level. It'll actually bleed more boost off and make recovery even worse for its use.

 

thanks shodan I will stick with the 40mm,
Do I have to run a bov because I would prefer not to.

 

 

Uhh..... Yeah!

 

I will use the 40mm waste gate,
and I was asking if I have to run a blow off vavle

 

Garrett>precision