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#1
01-09-2006, 12:11 AM
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Cam gears
I am currently accumulating parts for my turbo build.
AEM computer, garrett gt35r, wiseco pistons,ACT clutch, arp, RC injectors and more. The motor is currently installed and running NA in my 98 impreza. I have not yet pulled one of these motors apart. What I am interested in knowing is weather or not the cam gears on the 33 are the same as the ones on a 22 or other. What I want is a set of adjustable gears to help build a turbo friendly torque curve. Also if there are alternate cams available I would be interested in the specs. At this point, however, Iam not interested in a weld a regrind job. Thanks in advance- The Spindoctor Dynoauthority Rednond WA 
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#3
01-09-2006, 08:00 AM
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cams are weld/regrind, sorry but no luck there. Also, the intake cam is not run by a gear on the timing belt, it is run off the motion of the exhaust gear. I don't know if subaru used this design on any of their other engines
Tom
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#4
01-09-2006, 09:32 AM
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For non-reground cams, you could try Cobb or Crower. Cobb told me once that they have built up several EG33 motors for the dune buggy crowd. Crower says that they'll make anything for the EG33.
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Mychailo :: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ :: 1995 Laguna Blue SVX L AWD 5MT (sold) Visit my locker SVX Mods: ND iridium spark plugs, Impreza RS fpr, afr tuned to 13.2:1 using a custom MAF bypass, custom exhaust, WRX 5MT w/ STi RA 1st-4th gear & stock WRX 5th gear, Exedy 13 lb flywheel & Sport Clutch, STi Group N tranny & engine mounts, urethane spacers in rear subframe, rear diff mounts, and pitch stopper, SVX Sport Strut Springs (185f/150r), custom 19 mm rear swaybar, urethane swaybar mounts, Rota Torque 17x8", 225/45-17 Proxes 4 tires, Axxis Deluxe Plus organic brake pads.
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#5
01-09-2006, 11:58 AM
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BTW, why not use welded/ground cams?
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Mychailo :: 2006 Silver Mitsubishi Evolution 9, E85, 34 psi peak, 425wtq/505whp DJ :: 1995 Laguna Blue SVX L AWD 5MT (sold) Visit my locker SVX Mods: ND iridium spark plugs, Impreza RS fpr, afr tuned to 13.2:1 using a custom MAF bypass, custom exhaust, WRX 5MT w/ STi RA 1st-4th gear & stock WRX 5th gear, Exedy 13 lb flywheel & Sport Clutch, STi Group N tranny & engine mounts, urethane spacers in rear subframe, rear diff mounts, and pitch stopper, SVX Sport Strut Springs (185f/150r), custom 19 mm rear swaybar, urethane swaybar mounts, Rota Torque 17x8", 225/45-17 Proxes 4 tires, Axxis Deluxe Plus organic brake pads.
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#6
01-09-2006, 01:44 PM
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http://not2fast.wryday.com/turbo/maps/GT42compress.jpg
This is my second choice for turbos. I selected the GT35R for a fast spool. As for the 'regrind' choice of cams: I will look at those that have a known history of performance. At this point I just don't want to be the test subject. After getting this project together and tuned on my dyno I will be in a better position to make grind change choices. As for the cam gear to gear drive - Mercedes and BMW both have adjustable cam position drives (chain driven) and was thinking Subaru might as well. The AEM would be able to control an adjustable cam timing set-up. Thanks for all the comments and questions. Any input is great -TSDr
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