I wasn't trying to fault your et's, I just like to use mph for hp calculations because it is much less sensitive to traction. You had posted that you thought you were making about 450 hp and I wanted to point out that at the flywheel you are making a good bit over 550 hp on average (575-600 depending on what you believe about drivetrain losses; I know you lock your converter so I went with the low end of that range).
TE 44 compressor map
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Understand. I was agreeing and didn't take it as faulting. I knew my ET's didn't quite match the MPH, and that being my fault for buying crappy tires. Budgets were tight out there in KA. :wink:
And yes, a good bullet proof locking torque converter made it great for realistic mph gains. :smile:
deezdad
Jackie's cashing in on your wretched disfigurement
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Probably some good info in this thread if I was intelligent enough to decipher it . Would a gn1 slic be a good match to a te44, without being overkill? It only has 2.5" necks & a tight looking inlet to boot but if the te44 sweet spot doesn't overwhelm it...???
Plenty of reading that says bigger not always better, & that 3" ic piping contributes to surge with small turbos, just trying to make a good combo...
Plenty of reading that says bigger not always better, & that 3" ic piping contributes to surge with small turbos, just trying to make a good combo...
The size of the pipe doesn't contribute to surge. The compressor operating in an unstable part of the map does.
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deezdad
Jackie's cashing in on your wretched disfigurement
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What part(s) of the combo dictate where in the map the compressor operates? I ASSume torque converter and cam?
The pressure ratio and the mass flow at that PR. More mass flow the further to the right you go. So rpm, displacement,and mass efficiency. raising rpm does not guarantee increased mass flow. You actually have to fill the cylinders to get more mass flow.
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So if I'm reading this correct, the TE44 can only flow about 25lbs/min before choking. Hmmm, seems a little off.
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Te-44 should flow in the 53-56#/min range if I remember correctly or 850cfm...
This^^^, though it is rarely or possibly has never been seen on here. Notice it's a champ from 30-40lbs/min at the typical pressure ratios most would run. Hard to or not possible to beat in the performance per $ spent when it comes to turbos on stock headed LC2 engines. Especially with 93/alky and no engine work at all.
BPE2013@hotmail.com
This ^^^^, the cheapest 150 hp I'll ever buy. For me I spent around $1500 for the alky kit, turbo and TT chip in 2008. Incredible performance gain for the money. Unfortunately, my fuel pump died and I popped a head gasket. At first everyone pointed at the alky injection and said that's why they don't run it. When the head gasket was fixed and the car all zipped back up, it wouldn't start. Connected up a gauge and I had no FRP. So Bruce said the most likely cause of the detonation was the fuel pump dying.
Thank you. 850 CFM is supposed to be what the TE44 can flow. I could have back calculated from the CFM to #/min. As a matter of fact, I did a calculation based on an uneducated guess of my hp and I came up with 58#/min. I really doubt it is flowing that much on my current setup.
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