Compressor blade count
Compressor blade count So who has done back to back billet blade comparison 6 vs 7? I see how they advertise but seems impossible to find information.
I'm specifically looking for 80mm info but I assume it may apply across the board per say.
I'm specifically looking for 80mm info but I assume it may apply across the board per say.
This is going to be if absolutely no help, but I’ll say it anyway. Some of the badass turbos run 6 blades, others are seven and almost all Garretts are 10 or 11 blade. No one’s ever complained a Garrett didn’t make power, and the diesel guys run 6 or even 5 blades all the time and they run crazy height boost numbers. You’ll find alot of info regarding better “high boost” or “better at building boost.” What’s high?….I’m not sure what they consider high. I’m sure there’s some wizardry in there somewhere.
Happy New Year Everyone.
Thanks for the input all info is relevant and always appreciated. I have a S480 on order TBH but its a 6 blade version and they do offer a 7 blade option as well. I believe there's a 40-60hp difference if I recall correctly but I don't here too much chatter on their turbos online other than people who have had amazing customer service from them. Its hard to distinguish the competitors one from the other and always wonder if most the wheels are the same except the lower brands/builders including offshore. I have the option of changing to a 7 blade but not sure if its either worth it or usfull for me at this point and time but it might hold a better resale if I want to upgrade.
I'm a bit confused.
Thanks for the input all info is relevant and always appreciated. I have a S480 on order TBH but its a 6 blade version and they do offer a 7 blade option as well. I believe there's a 40-60hp difference if I recall correctly but I don't here too much chatter on their turbos online other than people who have had amazing customer service from them. Its hard to distinguish the competitors one from the other and always wonder if most the wheels are the same except the lower brands/builders including offshore. I have the option of changing to a 7 blade but not sure if its either worth it or usfull for me at this point and time but it might hold a better resale if I want to upgrade.
I'm a bit confused.
So apparently the talk is that more blades build boost faster and less blades makes better “upper” boost numbers. However, I’m not sure what “upper” means. To me 30 psi is upper, to others I know it 40+.
So what I was told is it optimizes the diesel group who run a lot higher boost number which the gas crew could take advantage of. Its not much more than the 6 blade to go to a 7 but its one of those things you have to honestly ask yourself do you want or need or will need down the road. A lot more decision making when running turbos than nitrous and/or superchargers. I also thought to invest a bit more in the turbo and downgrade the BOV and Gates to offshore for now. Originally it was a cast 80 with cover then moved to billet since the order was being made.
I heard the 6/7 blade wheels move a larger volume of air but are less efficient in the high boost range (30+psi?) and the 10/11 blade compressors move less air in the lower boost levels but provide higher/more stable boost in the 30+ psi range.
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First off, thanks to everyone who has replied to this and other threads in the past!
So I ordered a billet 7 blade s480 with cover went with a real borg vs the offshore. Being up here and with this crap going on it was the safest bet.
Funny though turbo didn't need to show a vax pass to get here
.
I didn't realize how large it was, and the new found stress trying to fit it. I just stared at it for hours.
Tubing and vbands are going to be a bit of a pain in the *** to source from what i can see so far, in stock means no stock.
N2o and prochargers were so much easier.
Here goes nothing.
So I ordered a billet 7 blade s480 with cover went with a real borg vs the offshore. Being up here and with this crap going on it was the safest bet.
Funny though turbo didn't need to show a vax pass to get here
.I didn't realize how large it was, and the new found stress trying to fit it. I just stared at it for hours.
Tubing and vbands are going to be a bit of a pain in the *** to source from what i can see so far, in stock means no stock.
N2o and prochargers were so much easier.
Here goes nothing.
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Interesting as I heard something sort of similar but a little different.
I heard the 6/7 blade wheels move a larger volume of air but are less efficient in the high boost range (30+psi?) and the 10/11 blade compressors move less air in the lower boost levels but provide higher/more stable boost in the 30+ psi range.
I heard the 6/7 blade wheels move a larger volume of air but are less efficient in the high boost range (30+psi?) and the 10/11 blade compressors move less air in the lower boost levels but provide higher/more stable boost in the 30+ psi range.
I can confirm this is what I have heard as well when speaking with Viren at VS racing. He said the standard 78/75 with the cast wheel will produce the same number/hp with the lower blade count and the billet wheel upgrade (11 blade) will offer more peak flow at higher boost levels 18psi+ and thats where the difference would be.