Guest DougK Posted March 28, 2005 Report Share Posted March 28, 2005 Eric,Would sourcing a 740 turbo, machining it and getting a 18G turbine cost less than getting a 18T? If not it would be a fun project but not a cost effective one.I heard that the G turbos are ball bearing turbos and the T turbos were not.←the 740 turbos are smaller than a 15g. They are 13c's. Link to comment Share on other sites More sharing options...
slarti Posted March 28, 2005 Author Report Share Posted March 28, 2005 I was thinking the same thing but wasnt sure enough to question the thought.So, I'm back to the adapter plate or different turbo. Link to comment Share on other sites More sharing options...
Guest DougK Posted March 28, 2005 Report Share Posted March 28, 2005 I was thinking the same thing but wasnt sure enough to question the thought.So, I'm back to the adapter plate or different turbo.←I dont know why your so set on the 18g. Find an 18T with the correct flange and save yourself the cost of the maching the manifold and the adapter plate. Link to comment Share on other sites More sharing options...
slarti Posted March 28, 2005 Author Report Share Posted March 28, 2005 Im not set on it, but It's an option, and they seem to be about 1/3 the cost.I'm probably going to end up with a 18T but I thought I throw the idea out there and see if it was reasonable. Link to comment Share on other sites More sharing options...
AutoX47 Posted March 28, 2005 Report Share Posted March 28, 2005 1/3 the cost? They are like $750 Link to comment Share on other sites More sharing options...
turbor850 Posted March 28, 2005 Report Share Posted March 28, 2005 I dont know why your so set on the 18g. Find an 18T with the correct flange and save yourself the cost of the maching the manifold and the adapter plate.←unless your getting forged internals, i agree with doug, no point in getting a turbo that can support 400+ hp when your motor can't handle it Link to comment Share on other sites More sharing options...
EricF Posted March 28, 2005 Report Share Posted March 28, 2005 the 740 turbos are smaller than a 15g. They are 13c's.←Not the 13C, the 12B. You machine the 12B turbine housing to work with the 18G turbine wheel, because the 12B is the only TD05 with Volvo turbine inlet flange. Link to comment Share on other sites More sharing options...
Guest DougK Posted March 28, 2005 Report Share Posted March 28, 2005 Not the 13C, the 12B. You machine the 12B turbine housing to work with the 18G turbine wheel, because the 12B is the only TD05 with Volvo turbine inlet flange.←I see where your going with that. The 12b's are hard to find though aren't they? The improvement on the exhaust side would be intresting. Link to comment Share on other sites More sharing options...
nik850r Posted March 28, 2005 Report Share Posted March 28, 2005 I see where your going with that. The 12b's are hard to find though aren't they? The improvement on the exhaust side would be intresting.←off topic, but i just read the ny times article. pretty cool :D Link to comment Share on other sites More sharing options...
turbor850 Posted March 28, 2005 Report Share Posted March 28, 2005 I see where your going with that. The 12b's are hard to find though aren't they? The improvement on the exhaust side would be intresting.←i don't think there would be an improvement on the 12b exhaust side, its still 6cm^2 just like all the other volvo turbo (15G,16T,18T,19T), you might as well get a 15G and machine the turbine housing its a good idea Eric, thinking TD05 bigger housing, but the 12b still small and stinks <_< Link to comment Share on other sites More sharing options...
EricF Posted March 28, 2005 Report Share Posted March 28, 2005 i don't think there would be an improvement on the 12b exhaust side, its still 6cm^2 just like all the other volvo turbo (15G,16T,18T,19T), you might as well get a 15G and machine the turbine housing its a good idea Eric, thinking TD05 bigger housing, but the 12b still small and stinks ←Well, the housing is small, sure. But you'd be moving to a much bigger and more efficient wheel... You'd probably get reasonable spool time though a bit slower than the 12B, and a little high end choking but not nearly as much as the 12B. The main limitation as I see it would be the very small outlet (~2.5").I think you'd get a noticeably better turbine side than the 15G, and a *much* better compressor side (well, I think we know that ).It would be interesting to see I personally think it would be very worthwhile, but it's just not something I think anyone could prove for certain without trying it. Link to comment Share on other sites More sharing options...
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