SiR R35 USM Journal Bearing Turbo Upgrade
New SiR USM Gen 3 Turbo Upgrade.
Ideal for 700-850+whp at sea level on E85 fuel with an OEM Engine with supporting modifications. Uses OEM Oil and Water Lines.
Includes:
- Billet 50mm Compressor wheels, Rated for 46lb/min ea.
- New High Flow Gen 3 Turbine wheel.
- New Heavy Duty Journal Bearing Upgrade, 30% more thrust aera, 65% more oil flow. Recommended 28psi Boost Limit.
- Optional Billet 1 Bar Wastegate actuators with O-Ring seals
- Optional 63mm Inlet Pipes for up to 1000hp.
- OEM Wastegates can make up to 19psi at 7000rpm with 700-740whp on E85. (Recommended with OEM Intercooler)
Spool is approximately 250rpm slower than OEM turbos on a 3.8L
For over 800whp Larger than 2012+ OEM Inlets required.
**NOTE** Requires a $1500 refundable core fee, or send in your set of OEM turbos
2-3 Week Lead Time
Cost is + $1500 Core fee
Dynojet Chart is OEM Engine, OEM Transmission, OEM 2012+ Inlet pipes, Street Intercooler on E85 at 23 PSIG or 1.6 Bar of boost peak at Sea Level. 812whp/620tq
885hp/640tq at 1.8 Bar of boost or 26.1PSIG with Upgraded inlet pipes, Intercooler and Exhaust.
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