IceMyButt Link Member 421 Member For: 20y 6m 17d Gender: Male Location: Sydney Posted 29/01/08 08:36 AM Share Posted 29/01/08 08:36 AM Hey Geoff, Did you see much of an increase with the head work? Link to comment Share on other sites More sharing options...
CSV_LS1 Member 303 Member For: 20y 9m 16d Gender: Male Posted 29/01/08 08:37 AM Share Posted 29/01/08 08:37 AM hey brian,tune on 98 octane at 23 psi,the turbo is rated at 850hpby gcg.major difference from dyno day at autotech is major headwork .honing and match porting.cheers geoffTough stuff. Looks great in person. Link to comment Share on other sites More sharing options...
rapidute Member 54 Member For: 19y 7m 11d Location: nsw Posted 29/01/08 08:51 AM Share Posted 29/01/08 08:51 AM (edited) Hey Geoff, Did you see much of an increase with the head work?417 before /460 after head work.geoff Edited 29/01/08 08:52 AM by rapidute Link to comment Share on other sites More sharing options...
mob-z Member 6 Member For: 17y 3d Posted 30/01/08 10:42 PM Author Share Posted 30/01/08 10:42 PM manifold is split pulse,turbo specs I dont know as it was built by gcg.graph will show the boost comes on without too much lag.regards geoffhow do you get that power tp the ground?? masive power curve down low, looks great! Link to comment Share on other sites More sharing options...
6BOOST Gold Donating Members 139 Member For: 16y 10m 25d Gender: Male Posted 31/01/08 02:32 PM Share Posted 31/01/08 02:32 PM Altho not having done back to back testing on a ford twin cam yet, I have recently done some testing on a RB26/30 drift car I sponser, and previously we had a GT35 with a 1.06 rear fitted to the car. After switching to a split manifold to go with the TO4Z, with a .84 rear(similar to a GT35 1.06 in size) the turbo makes full boost at the exact same RPM as the GT35 and makes the same power on 4psi less boost with 6 degrees less timing. We are hoping for another 50rwkw on the same boost as previously and timing brought back up.I'll keep you all posted in a few months, I'll be doing a TO4Z on my new tornado ute after I finish development of the factory turbo and manifold.6BOOST Link to comment Share on other sites More sharing options...
senna_T Forged Member Lifetime Members 15,818 Member For: 17y 10m 11d Gender: Male Location: SW Sydney Posted 31/01/08 09:20 PM Share Posted 31/01/08 09:20 PM sweeeeeett! I'll be watching with interest 6BOOST Link to comment Share on other sites More sharing options...
brute f6 Member 15 Member For: 16y 11m Gender: Male Location: harington park Posted 16/02/08 10:43 AM Share Posted 16/02/08 10:43 AM hey kyle, adam from up in townsville. have you started making merge collector manifolds for the xr6t's yet. I think there will be a good call for them very soon with all the people making over 350-400rwkw plus the benifits of faster response with a bigger turbo.how much is to4z set up fitted Link to comment Share on other sites More sharing options...
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