Gamer Posted October 27, 2007 Share Posted October 27, 2007 Not mapped by you Ryan but I thought I would throw it out there for comparison. My T71GTQ, this was done with a leaky turbo seal. Quote Link to comment Share on other sites More sharing options...
b_have Posted October 27, 2007 Share Posted October 27, 2007 That 4088 looks familiar Love Wez`s curve, maybe time to switch back to the 61 and throw some more advance at it? Quote Link to comment Share on other sites More sharing options...
mikeyb10supra Posted October 27, 2007 Share Posted October 27, 2007 Is it the manifold? or is it that the turbo is smaller than a T61 and spools earlier the manifold has a big bearing on spool times....the cast has much shorter runners like in Wez's car and a much more sweeping design which helps with gas flow!! For all out power the cast will only flow so much, in which case a good quality tubular should be used. I know a lot of guys have them and had no issues with cracking etc, but if it were me just being as anal as I am, I would try and pay the extra and have an inconel manifold made up Quote Link to comment Share on other sites More sharing options...
bromy Posted October 27, 2007 Share Posted October 27, 2007 the manifold has a big bearing on spool times....the cast has much shorter runners like in Wez's car and a much more sweeping design which helps with gas flow!! For all out power the cast will only flow so much, in which case a good quality tubular should be used. I know a lot of guys have them and had no issues with cracking etc, but if it were me just being as anal as I am, I would try and pay the extra and have an inconel manifold made up So if a Precision T61 was put on that car do you not think the curve would be similar to the yellow curve bearing in mind the cams? Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 Had a Slight bit of a play with my map on the road in the midrange area at the weekend and the amount of ignition timing which i have now manage to get in the mid range is crazy. Around 7-9 degrees more than when it was without cams. Still feels slighty laggier than the t61 before cams which i would exspect but going to look at getting some cam gears and advancing both cams 2 degrees. Ian how have you got your cam gears setup at moment? But it seems Ian was spot on regards the DBB in the midrange if you look at the red line (homer) and the Yellow lines (Gaz6002) on the graph you will see they are almost identical in the midrange. So you can see that the Dbb t67 is just as good as the T61 in midrange and then the T67 overtakes due to more Boost being run. The midrange is very much the same as with mine and ianc plots in the midrange. I would be really interested to see the Plots when Gaz has his car up to 1.4bar. Got to find my self a T61 DBB Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 Will Add yours as well Joe And will try and get charlie to do this on the dyno so its look abit better than my Paint.net work haha Im looking forward to getting Tlicense car on here now as the car is spooling like it should now (did somebody say baked bean tin ) Quote Link to comment Share on other sites More sharing options...
suprafan72 Posted October 29, 2007 Share Posted October 29, 2007 will be good for peak figures but in terms of spool/response it wont be anywhere near Wez's looking forwards to seeing the final BHP figure though it is a t51r you have isn't it?? I've been out in Wez's car and its simply one of the most awesome setup's on as street supra i've been in.. With my better spool now its not as laggy as everyone thinks.. midrange is certainly allot better! We will see.. Back donw to SRR (Hopefully for some more tuning) and 1.5 Bar! Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 http://www.zen85016.zen.co.uk/turbocomp/turbocomp1.JPG Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 Is that better rob? Quote Link to comment Share on other sites More sharing options...
paul mac Posted October 29, 2007 Share Posted October 29, 2007 Got to find my self a T61 DBB have looked at this myself as i love the spool/low down torque the T61 gives but all my research says its really not worth the expense on such a relatively small turbo Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 Paul have you got a dyno graph of your t61 as seems the t67 Dbb is just as quick TBh in all the graphs i have looked at. Where was yours dyno'd for 510whp Quote Link to comment Share on other sites More sharing options...
michel lane Posted October 29, 2007 Share Posted October 29, 2007 would be nice if you can label the graph please, why iam colour blind !!!!! Quote Link to comment Share on other sites More sharing options...
paul mac Posted October 29, 2007 Share Posted October 29, 2007 Paul have you got a dyno graph of your t61 as seems the t67 Dbb is just as quick TBh in all the graphs i have looked at. Where was yours dyno'd for 510whp dyno'ed/set up at Thor, i am sure i have the graphs somewhere thats if the kids haven't "coloured" them in for me but i think you really need all the graphs from the same dyno for them to be meaningfull Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 29, 2007 Author Share Posted October 29, 2007 Thanks paul i aggree about keeping to same dyno as want to keep the figures realistic Quote Link to comment Share on other sites More sharing options...
Gamer Posted October 29, 2007 Share Posted October 29, 2007 Good job Ryan Quote Link to comment Share on other sites More sharing options...
Keith C Posted October 29, 2007 Share Posted October 29, 2007 Blimey - look how little benefit there is putting a T61 on standard cams compared to hybrids on longer cams! Quote Link to comment Share on other sites More sharing options...
Nodalmighty Posted October 30, 2007 Share Posted October 30, 2007 Hybrid B4040 Billet Nitride ceramic roller bearing Turbo ([email protected] fwhp) as fitted to my MK3 7M-GTE (All figures at the hubs) Power / Torque http://www.nod-land.co.uk/assets/images/Power%20and%20Torque.jpg Boost http://www.nod-land.co.uk/assets/images/boost.jpg Stock cams (+4deg Inlet -2deg Exhaust), Stock TB, V-Power fuel. Divide power & torque by 0.88 to remap for a realistic flywheel figure. Did quite well for a crappy old 80's truck engine. Lyndon. Quote Link to comment Share on other sites More sharing options...
Ryan.G Posted October 30, 2007 Author Share Posted October 30, 2007 Very nice Lyndon!! Be interesting to See what that produces on a DD dyno in shoot 6f. As every car i have seen that has a Hub/wheels figure from a Dynapack or a Mustang dyno makes the same power at the fly on a DD. Quote Link to comment Share on other sites More sharing options...
Wez Posted October 30, 2007 Share Posted October 30, 2007 Blimey - look how little benefit there is putting a T61 on standard cams compared to hybrids on longer cams! The T61 was only running 1.1bar where as the TT Hybrid was 1.4bar, not so sure the graphs would be as close if the T61 was at 1.4bar. Quote Link to comment Share on other sites More sharing options...
Alex Posted October 30, 2007 Share Posted October 30, 2007 The T61 was only running 1.1bar where as the TT Hybrid was 1.4bar, not so sure the graphs would be as close if the T61 was at 1.4bar. Indeed and there's a whole host of other factors too... This is a rudimentary look a the different turbos. Using the same car/engine/boost/ecu/fuel and optimising the map for each turbo would be the only way to fully appreciate the differences, but it's a good generalisation which should prove useful. Quote Link to comment Share on other sites More sharing options...
Wez Posted October 30, 2007 Share Posted October 30, 2007 I should hopefully be able to add another couple of graphs soon. With and without water/meth and if time permits I might add a trim map to see how much can be gained if the water/meth is mapped for. Quote Link to comment Share on other sites More sharing options...
Inferno Posted December 9, 2007 Share Posted December 9, 2007 Bump Quote Link to comment Share on other sites More sharing options...
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