I have an sc61 on my car now at 30psi and it has the small .63 exhaust housing on it now. this winter i plan on going to the .82 for more flow but im wanting to know if theres a race cover or a better comp housing that would help the 35r wheel thats inside that small .60 e-cover. thanks

 

Check with Lighteningteg on H-T. He did an SC61 upgrade. Going simply to a larger A/R may not work if its still using the smaller stage 3 wheel. The difference in power deliver between the .60 E-cover and .70 S-cover for that wheel is rather minimal; its the change in compressor wheel and turbine wheel that need the change up. Something lighteningteg did.

 

thank you ill shoot him a pm

 

Just curious, but how much power were you able to make on the .63 housing @ 30psi? Thanks!

 

not a whole lot but we think its in the ls head that i port matched to a hondata gasket

 

I had Mac put a 62mm Reaper billet wheel on my old SC61 when it needed a rebuild. Spools about 500 rpm sooner then the SC61 cast wheel and makes at least the same amount of power at the worst. But I have not tested its potential

I made 513 @ 30psi with that upgrade on pump gas, stock LS head with 404 cams.

 

did you just drop your cams in or did you degree them in (if so what are you gears set at)ive heard mixed things i have the 404s too and at 30psi its only making 377whp (this was on a mustang dyno if that matters) and we are trying to find out whats going on havent tried a differnet dyno yet many people say it could be the .63 exhaust housing but i dont really think it would hold that much back.

We've had the car out twice to the local 1/8th mile best time has been 7.3 at 102mph and we are spinning 1st at 2nd still 60s are high to 1.6-1.7

heres the setup
Bottom End:
B18A1 block stock bore and sleeves
SRP pistons 81mm 10.7.1 comp
.74 head gasket
Eagle Rods
ACL Race bearings
moroso oil pan

Head:
B18A1 head port matched
BC dual valve springs and ti retainers
Crower 404 all motor cams
Edelbrock intake manifold
hondata intake manifold gasket
moroso valve cover

Tranny:
GSR with OBX diff
Stock alxes lol

Turbo setup:
750hp intercooler
SC61
Spa Topmount
50mm BOV
38mm Wastegate

Chassis:
sk2 coil overs if front but used the sk2 sleeves in back on 18k springs
8 point cage
24.5x8x13" slicks

Fuel setup:
A1000 pump
sumped tank
2 earls filters one 100 microns and the other 10
-8 to pump and -6 everything else
aeromotive fpr
BDL fuel rail
ID 1000cc