5857 stock block 91 & 100 Octane
5857 stock block 91 & 100 Octane
My good friend (01Sporty on here) finished tuning my car in the wee hours of the morning so I could make it to the drags tonight.
Mod List:
JDL Hot Parts
Precision 5857 DBB
Buschur Race Core & Piping
Buschur SD catback
SpoolinUP COP
Kelford 272/272 - Crower springs
Exedy Twin
Bosch 990cc Injectors
It was pretty late so these are the only 2 I have at the moment.
91 Octane:

100 Octane:

I'm more than pleased with it. To be honest the race gas tune scares me right now so I'll have to get used to it. On the previous turbo I was at about 420/430 whp but that was virtual dyno.
Mod List:
JDL Hot Parts
Precision 5857 DBB
Buschur Race Core & Piping
Buschur SD catback
SpoolinUP COP
Kelford 272/272 - Crower springs
Exedy Twin
Bosch 990cc Injectors
It was pretty late so these are the only 2 I have at the moment.
91 Octane:

100 Octane:

I'm more than pleased with it. To be honest the race gas tune scares me right now so I'll have to get used to it. On the previous turbo I was at about 420/430 whp but that was virtual dyno.
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Maybe the load on the dyno was off or they dyno'd in 2nd? More realistically I'm thinking he has a boost leak or spoolup isn't properly tuned.
Sorry for the late reply. It's a .63 housing and dyno was in 3rd I believe. No boost leak. I haven't seen any graphs of a 5857 or 5858 so what does everyone think it should spool at?


