What SINGLE turbo for a SBC?
#1
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From: lansdale PA
What SINGLE turbo for a SBC?
ok this project is a couple years away, but for my vortec 350(may be a 383 when i do this), what single turbo or range of turbos should i keep my eye on in case a good deal pops up. Needs to keep stong bottom end, have killer midrange and support 500-700whp. i can only imagine it would be t4 based
#2
I like this guy. This will be the next turbo I will use on my Gti.
http://www.atpturbo.com/Merchant2/me...ory_Code=GTNBB
http://www.atpturbo.com/Merchant2/me...ory_Code=GTNBB
#7
ok this project is a couple years away, but for my vortec 350(may be a 383 when i do this), what single turbo or range of turbos should i keep my eye on in case a good deal pops up. Needs to keep stong bottom end, have killer midrange and support 500-700whp. i can only imagine it would be t4 based
Mark
#10
I like this guy. This will be the next turbo I will use on my Gti.
http://www.atpturbo.com/Merchant2/me...ory_Code=GTNBB
http://www.atpturbo.com/Merchant2/me...ory_Code=GTNBB
#13
I'm 34. Not a kid. I wasn't trying to be snide. I'm just emphasizing the importance of a correctly chosen turbo depending on the engine and builder's requirements rather then just listening to opinions or guessing. Sorry if that came across differently.
Use one of these.
http://www.turbofast.com.au/turbomap.html
I just don't think a -single- 54 trim can flow enough for a 5.7L at say 15lbs. I think it'll max it out before redline or at least give that turbo a workout. 1/2 a 5.7L is 2.85L... That's a BIG four banger it you look at it that way.
Use one of these.
http://www.turbofast.com.au/turbomap.html
I just don't think a -single- 54 trim can flow enough for a 5.7L at say 15lbs. I think it'll max it out before redline or at least give that turbo a workout. 1/2 a 5.7L is 2.85L... That's a BIG four banger it you look at it that way.
Last edited by lazzer408; 07-15-2007 at 05:15 AM.
#15
Its turbo thats considered often in budget V8 builds. Not huge but will get it done. Like the many that use T25's here.
If it were a build I was doing, I would use a pair of of the turbos I am running on my Gti. T4 60-1 with .69 housings and P trim turbine wheels.
If it were a build I was doing, I would use a pair of of the turbos I am running on my Gti. T4 60-1 with .69 housings and P trim turbine wheels.
#16
I'm 34. Not a kid. I wasn't trying to be snide. I'm just emphasizing the importance of a correctly chosen turbo depending on the engine and builder's requirements rather then just listening to opinions or guessing. Sorry if that came across differently.
Use one of these.
http://www.turbofast.com.au/turbomap.html
I just don't think a -single- 54 trim can flow enough for a 5.7L at say 15lbs. I think it'll max it out before redline or at least give that turbo a workout. 1/2 a 5.7L is 2.85L... That's a BIG four banger it you look at it that way.
Use one of these.
http://www.turbofast.com.au/turbomap.html
I just don't think a -single- 54 trim can flow enough for a 5.7L at say 15lbs. I think it'll max it out before redline or at least give that turbo a workout. 1/2 a 5.7L is 2.85L... That's a BIG four banger it you look at it that way.
Trim refers to the ratio between the inducer and exducer, it is only useful in comparing compressors with the same exducers. The 4088 has a much larger exducer than the T4 54 trim you are thinking of.
T04E 54 trim has a 75mm exducer.
The GT4088 has an 88mm exducer.
That means that the inducer of the T04E 54 trim is about 55.7 mm and the inducer of a 54 trim GT4088 should be about 64.66 mm (according to garrett it's 63.5 mm and a 52 trim for a GT4088R and 64.7 mm and 54 trim for a GT4088.)
It's pretty obvious to me (and it should be to you too) that the GT4088 is much larger than the T04E 54 trim.
Mark
I may have misread... You mean the T66 is not big enough, seems like it is for 500-700 HP, after all that compressor is capable of flowing 1000+ CFM.
#17
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From: lansdale PA
well the reason i wanted to go for a single turbo is for simplicity but maybe cheap twins would do just as well, this won't be a drag car or truck.......it's just my truck i drive to work, haul motorcycles, pull bushes out of the ground, stuff like that. It weighs about 6000 pounds, has a 3" body lift and 35x12.5 bfg all terrain tires which tip the scales at 69 pounds each for just the tires, also a 4l80e and 4.10 14 bolt rear end, both of which are very stong but not the best ratios especially with my tires for going fast. when i go through with this my engine will be built stong either keeping as a 350 or stroking to 383. only problem with these truck is the stupid spider injector setup with poppet valves that are only 19lb. this would need to be upgraded to the marine intake manifold setup which accepts normal injectors. fortunately all of the tuning can be done inside of the factory ecu so that helps to keep costs down a little bit.
#19
Mach929. Your boosting a truck? Hell throw anything on it then. Here I thought you were building a high performance machine. :gay:
#20
CID = 350
RPM = 6000
VE = .65
394.965 cfm
CID = 350
RPM = 6000
VE = .80
486 cfm
15psi = a pressure ratio of 2.17
I don't have time to do the rest. Go here if you'd like to know how to calculate the engines comsumption/requirements.
http://www.turbobygarrett.com/turbob...o_tech103.html
RPM = 6000
VE = .65
394.965 cfm
CID = 350
RPM = 6000
VE = .80
486 cfm
15psi = a pressure ratio of 2.17
I don't have time to do the rest. Go here if you'd like to know how to calculate the engines comsumption/requirements.
http://www.turbobygarrett.com/turbob...o_tech103.html