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#30
by
R.O.R-2.0
on 21 Mar, 2011 11:26
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the garretts usually were fed by the 2.5 tho werent they?
and even being that they spool @ 2500, thats still going to add about 1k rpms to the spool on a 1.6L engine...
take that same T3, bolt it on a 350 chevy, and it will probably be damn near boosting at idle..
its all about the air you feed the turbo.. if you dont have enough to feed it, its not gonna operate the way you want it to..
(14psi on a T3 is nothing BTW.. its just starting to stretch its legs a bit)
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#31
by
bgbmxer
on 21 Mar, 2011 11:46
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No garretts were only on the 2.2s and the mitsu on the 2.5 which the mitsu is smaller. And yea that garrets good till about 20 lbs till it gets inefficient. But this was a non intercooled car so 14s plenty of boost for that.
The mitsu I think spooled 7 to 800 rpm sooner on the same engine I think so it might not be to bad if I port everything out
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#32
by
R.O.R-2.0
on 21 Mar, 2011 20:05
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porting is not going to make up for 900cc's, and 1000 rpms more capability..
but go for it, atleast you will have a real good base ready for a real diesel turbo if you decide to go that way/find one cheap enough..
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#33
by
bgbmxer
on 22 Mar, 2011 01:37
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Porting is how a Honda that's a 1.6 can run a turbo thats 3 times bigger than the one I plan on using and still make usable boost. Yes they rev higher and have more valves but do you think any 1.6 without tons of head work could ever spin a huge t3 t4 or bigger I think not.
I wish there was room for bigger valves and I would put bigger valves in too
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#34
by
theman53
on 22 Mar, 2011 05:07
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Gas is a little different than diesel, but I see you have it all figured out. I will love to see a dyno report when you are done. Please keep us posted. It should be great.
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#35
by
bgbmxer
on 22 Mar, 2011 06:06
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Gas is a little different than diesel, but I see you have it all figured out. I will love to see a dyno report when you are done. Please keep us posted. It should be great.
Is this sarcasm? Or actual interest? And no I do not have everything figured out but there is one guy using the same turbo making big power so why can't I. Im not saying it's gonna work great but I don't see it being that horrible either.
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#36
by
RabbitJockey
on 22 Mar, 2011 08:46
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
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#37
by
R.O.R-2.0
on 22 Mar, 2011 09:22
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
5600 RPMs is a LONG WAYS off from 9000 like most gasser engines torn to make power with oversized turbos..
hondas can spool a HX30, because they spin ~9000 rpms to do it, and the turbo doesnt come to life til 4500 rpms..
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#38
by
bgbmxer
on 22 Mar, 2011 09:29
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
We will see. I ordered pipe to fab the downpipe so no turning back now
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#39
by
bgbmxer
on 22 Mar, 2011 09:34
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
5600 RPMs is a LONG WAYS off from 9000 like most gasser engines torn to make power with oversized turbos..
hondas can spool a HX30, because they spin ~9000 rpms to do it, and the turbo doesnt come to life til 4500 rpms..
Yea and that turbo is on a how many liter engine factory and is how many times bigger and flows more than the turbo I'm using?
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#40
by
R.O.R-2.0
on 22 Mar, 2011 10:09
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
5600 RPMs is a LONG WAYS off from 9000 like most gasser engines torn to make power with oversized turbos..
hondas can spool a HX30, because they spin ~9000 rpms to do it, and the turbo doesnt come to life til 4500 rpms..
Yea and that turbo is on a how many liter engine factory and is how many times bigger and flows more than the turbo I'm using?
lol, i was using it as an example, thats all.. nothing more.
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#41
by
bgbmxer
on 22 Mar, 2011 13:45
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i think it will work well, dave did 196whp with a t3 to4e which is much larger than the dodge turbo, who cares if its gas or diesel, our diesels rev nearly as high as a gassers especially with the governor mod. the only difference on daves engine was a lightly ported aaz head and a giles pump.
Dont the rods fail around that horsepower?
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#42
by
R.O.R-2.0
on 22 Mar, 2011 14:09
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Rods fail from torque. If memory serves he was revving pretty high for that.
around 4800 IIRC?
you bend rods at low RPMS..
not high rpms..
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#43
by
RabbitJockey
on 22 Mar, 2011 15:26
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#44
by
bgbmxer
on 22 Mar, 2011 16:04
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ok heres the specs of my turbos hopefully someone can post the specs of the turbos on the vws
TEO4H specs:
Compressor housing A/R small
Exhaust housing A/R smaller
Compressor inducer 38 mm
Compressor exducer 53 mm
Exhaust turbine diameter 51 mm
TO3 TII specs:
Compressor housing A/R .42
Exhaust housing A/R .48
Compressor inducer 42 mm
Compressor exducer 60 mm
Exhaust turbine diameter 48 mm
VNT25 specs:
Compressor housing A/R .48
Exhaust housing A/R .64
Compressor inducer 36 or 40 mm
Compressor exducer 52 mm
Exhaust turbine diameter small
TBO3 specs:
Compressor housing A/R .52
Exhaust housing A/R .48
Compressor inducer 45 mm
Compressor exducer 60 mm
Exhaust turbine diameter 48 mm
S60 specs:
Compressor housing A/R .42
Exhaust housing A/R .63
Compressor inducer 48.5 mm
Compressor exducer 60 mm
Exhaust turbine diameter 48 mm
compare away