|
|
|
#1
|
||||
|
||||
Calling ForcedInduction and CarTek
Hey guys, one more quick question on a turbo for my 4.3 liter diesel Jeep project...
I found a turbo on Craigslist that I think might work well and wanted and opinion from the two of you. It is a T3/T4 hybrid. The hot side is stamped AR .63 and has a standard T3 mount, a standard 5 bolt wastegate assembly, and a 2-bolt output flange setup similar to the 3 bolt setup on the stock Garrett on our OM617s. The compressor side is stamped M11 AR .60. The inlet and outlet have removable 2-bolt flanges, and the open end of the output flange is about 2-1/2"-3", but without the flange the outlet opening is only about 2". The inlet, with the removable flange taken off is only about 1-1/2" diameter, but with the flange bolted in place the inlet opening is around 2" diameter. How would this work for the 4.3 liter diesel? The shaft has almost no play in any direction, it spins smoothly, and the leading edges of the compressor blades look good, with only a tiny amount of erosion. The kid selling it only wants $85 and it is 100% complete except for the wastegate pressure pot/acuator. What do you think?
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#2
|
||||
|
||||
youll have to ask lance on superturbodiesel, he isnt here anymore
wish i could help |
#3
|
||||
|
||||
we use those alot on honda 4cylinders sounds like the ebay special. check the cold side for oil to make sure the oil seals arent blown. Also, ask if it has a reducer to limit the oil pressure some of those turbos blow seals real easy with too much pressure. other than that, they spool pretty quick on gasoline engines not so sure about diesel. known to make 300-350 hp on a 4cylinder honda engine. Probibally a TD04 turbo.
__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? As long as they would add one additional commandment for you to keep thy religion to thyself. George Carlin (Wonder where he is now..) 1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won. pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt. |
#4
|
||||
|
||||
rcounts, empty your mailbox...
__________________
-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#5
|
||||
|
||||
Done - and sorry 'bout misspelling your handle...
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#6
|
||||
|
||||
Quote:
1) this one is a .60 AR - the ebay one was .50 AR 2) This one has bolt-on inlet and outlet pipes instead of having fixed pipes that you attach your hoses to (like th one on eBay). 3) the inlet and outlet on this one *may* be smaller than the one on eBay. That one supposedly has a 2" inlet and 3" outlet - but I'm not sure if that is an actual measure of the oriface or if it is a measure of the pipe flange where the hoses attach. The guy selling it claims to know quite a bit about turbos, and he claims that the .60 AR cold side will actually be better for my application (4.3 liter) than the .50 AR turbo on eBay that KarTek and Forced Indiction were recommending. That's why I wanted to pose the question here - to get the opinion of some folks who know turbos a lot better than I do. BTW, both the hot and cold sides on this turbo seem completely free of excess oil...
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown Last edited by rcounts; 08-12-2009 at 12:15 PM. |
#7
|
||||
|
||||
For a given turbo, a .50 A/R turbine will spool faster but have more back pressure/higher potential EGT's than the .60...
__________________
-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#8
|
||||
|
||||
OK, now I'm REALLY confused. I thought it was the compressor (cold) side that was a .50 AR (on the ebay turbo you guys recommended) - vs. .60 AR (on the one I'm looking at locally) - not the turbine (hot) side. I thought both of them had a hot side turbine with an AR of .63
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#9
|
||||
|
||||
OK, I did some calculations using an assumption of VE = .8 and intake air temp = 190*F
I come up with a PR of 1.47 for 7 PSI and 1.68 for 10 PSI Calculated CFM as 274 @ 3600 RPMs (HP peak) and 121 @ 1600 RPMs (torque peak) Assuming it will build 8 - 10 PSI at 1600, as well as at 3600 RPMs, I came up with air flows of 22.6 lbs/min @ 3600 RPMs and 9.2 lbs/min @ 1600 RPMs for 10 PSI and 20.6 lbs/min @ 3600 RPMs and 9.1 lbs/min @ 1600 RPMs for 8 PSI Plotting those four PR vs. lbs/min points on the map for the T3 60 trim (I'm pretty sure that is what the turbo this guy is selling is since it is the stock unit off a 2.3 liter turbo mustang) looks like the attached. That's my first stab at it, and to my uneducated eye, it doesn't look too bad. The points are all in the 65-70 efficiency range, and the area between them takes up a big chunk of the 74% peak efficiency range of the map. Where am I going wrong here?
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#10
|
||||
|
||||
For peak HP, I originally got an 18.11 and 1.73 from my spreadsheet which would be PERFECT for the map and turbo you show here. It hits right in the center of the 74% island.
For the rest of the range it also looks like a good match.
__________________
-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#11
|
||||
|
||||
OK, so now I just have to confirm that this map is for the turbo I'm looking at - that it is a T3 60 trim - would that be what the "60" on the compressor scroll (along with "M11") mean?
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#12
|
||||
|
||||
Quote:
There is a t4 in use on that other forum someone else mentioned.......
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42 |
#13
|
||||
|
||||
Quote:
At this point I think I'm about ready to jump on it - at $85 and just the tiniest amount of play on the turbine side of the shaft, I think its a worthwhile deal...
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown |
#14
|
||||
|
||||
I think I have the same turbo sitting in a box at home. If you had a picture, I could confirm it. I think mine came off a T-bird turbo coupe.
It has a little play side-to-side (radial) and that's OK. Axial=bad...
__________________
-Evan Benz Fleet: 1968 UNIMOG 404.114 1998 E300 2008 E63 Non-Benz Fleet: 1992 Aerostar 1993 MR2 2000 F250 |
#15
|
||||
|
||||
Quote:
Just to make sure I understand you, you're saying it is OK for the end of the shaft to move up and down a little (perpendicular to the shaft's axis of rotation), but it shouldn't move in and out (paralell to the shaft's axis of rotation), right? Winmutt, as I understand it, I would need to measure the outer diameter of the compressor wheel (exducer?) and the diameter of the part that sits just inside the inlet (inducer?) and divide the smaller by the larger to get the trim - correct? So if this turbo has an inducer of 1.5" and a .60 trim, it should have an exducer diameter of 2.5" (1.5/2.6=.60), correct?
__________________
1984 300 Coupe TurboDiesel Silver blue paint over navy blue interior 2nd owner & 2nd engine in an otherwise 99% original unmolested car ~210k miles on the clock 1986 Ford F250 4x4 Supercab Charcoal & blue two tone paint over burgundy interior Banks turbo, DRW, ZF-5 & SMF conversion 152k on the clock - actual mileage unknown Last edited by rcounts; 08-13-2009 at 04:29 PM. |
Bookmarks |
Thread Tools | |
Display Modes | |
|
|