What we here at MVP say about these cams:
Buyer beware!
The quality of GSC cams is not the issue, they are very high quality. The issue is that we (as well as several other very well known Supra shops (can't say who here in writing)) have seen multiple, multiple heads with severely premature bucket wear that are running these cams. The only solution? To DLC-coat your buckets at a cost of $500 - that's ridiculous!
There are lots of great cams out there from Brian Crower, Kelford, and Titan (made by Kelford) that we offer that do not cause any premature wear issues. We highly advise you consider any brand of cams other than GSC (and HKS - their grind profiles are from the 1990's and they make significantly less power than modern cams like the brands mentioned here).
What GSC says about these cams:
GSC Power-Division billet R2 camshafts for the Toyota Supra 2JZ-GTE. The R2 camshafts are designed for those running single turbos larger than 76mm. These camshafts will not have bottom end losses over our S2 cams; nothing but gains will be seen and will promote great peak power gains. Designed for a rev range of 5,000-9,500 RPM's. These cams do require an upgraded valve spring set such as our Conical Spring kits (GSC5064 or GSC5066) along with shim-less buckets/tappets and head clearancing for lift.
- Head clearancing required
- Please maintain 0.020" (0.5mm) minimum clearance from the cylinder head casting
- 1,200-1,800 WHP camshaft set
- Rougher than stock idle
7030R2 | ADV Duration | Duration @ 0.040" | Peak Lift | Center Line |
Intake | 278° | 242° | 11.30mm | 110° |
Exhaust | 278° | 240° | 11.30mm | 118° |
Applications
- 1993-1998 TOYOTA SUPRA L6 3.0 T 2JZ-GTE NON-VVTi