Is200 Kompressor
Is200 Kompressor
Instead of clogging up other threads I thought I'd open up a fresh one to document a few of my findings.
Yes it's another IS200 supercharger build.
It's a 2001 IS200 sport with a healthy 130k on the clock
I'm 3/4 of the way through the s/c build
So far I have decided to use the A/C drive from the crank pulley as opposed to the waterpump mounted pulley.
Reasoning for this being, availability of the TTE pulleys is next to non-exsistent, and I was not 100% with the mounting on the waterpump. I don't want to add any extra strain to the waterpump itself and having no luck finding a decent machine-shop to drill centred holes on the merc pulley. I could not centre it well enough.
Seeing as i don't use the A/C at all, the use of a longer belt (4pk1123/1130) enables me to use the crank pulley as a drive source.
Working out pulley sizes, using a 138mm pulley on the waterpump gave a s/c pulley speed 8.9K rpm.
Using the crank drive gave, again, 8.9K rpm @ the s/c. So no loss of boost. Also no gain.
Only real downside to this drive setup is only a 4 rib belt will fit.
Only time will tell if belt slip is an issue.
The cap from waterpump has been removed to clear the belt. Also to clear the belt I have used dome-headed socket cap M8 bolts on the waterpump pulley.
Clearence is TIGHT, but no rubbing/scraping seen on test runs.
First issue with this was the belt flying off.
Given the longer path of the belt, any discrepancy in the mounting was exhajurated.
So the cradle came out, and little filing and fettling and it was all much squarer.
To further help this situation I sourced a different tensioner pulley.
Taken from a Mazda 929/Mpv -
Mazda part no. JE 151 2730C
(INA part no. 532 0104 20)
This pulley doesn't have an elongated hole to adjust tension, so I have a cut groove in the cradle tensioner bracket so I can slide the pulley along it to add/remove tension to the belt.
Manifolds are still a work in progress, all materials have been accumulated; Mild steel hemispheres, 9m worth of mild steel pipe and a good friend whose racking up plenty of beer tokens.
So looking ahead, hoping to have this done before/by christmas.
I thought it would be nice to get some real figures on the set up.
Initially I will be running without an intercooler.
Likely adding one at a later date.
It will give me chance to see the real before & afters and gauge how much of a difference all the different mods will make.
So. Near bone stock IS200 - 133K on the clock, no service history and only a K&N panel filter.
Took a trip to the dyno to give a base-line power run.
150BHP @ flywheel
Power when new - 153BHP
Good Result.
Torque works out at 129 lb/ft
Which is a little lower than factory, but can only increase and this is the real reason for supercharging.
I love a revvy/thrashy engine and you do have to work the 1G lump pretty well to get what you want.
This is all fun & games, but on a daily basis. I love a ''grunty'' engine.
So, once the Supercharger is up & running a second power-run will be done for a direct comparison and clear power gain documented.
Cheers.
Good write up mate, keep it up!
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Yeah be interesting to compare, look forward to results
Supercharger drive is pretty much finalised - Just some dome-headed bolts to finish it off
Manifold development is coming into the final stages
So hopefully I can "un-ban" myself from a certain online auction site and get it all plumbed in and back on the dyno before christmas!
Will keep this thread updated
So who wants to take a stab at power/torque figures!?
I just thought I'd share my calculations of pulley size and RPM
Stock IS200 with TTE supercharger kit
Crank pulley: D150mm
Water pump pulley: D120mm
TTE pulley (on water pump): D130mm
Eaton M62 pulley: D100mm
At 6500RPM (crank) the water pump does 8125RPM, which means the maximum RPM of the supercharger should be 10562.5RPM. That will give you about 0.3bar of boost. If you run the supercharger directly from the crank pulley you would get a maximum RPM of 9750, which at least in theory should mean 8% less boost than a standard TTE supercharger kit.
My TTE supercharger did just over 10k RPM with the standard setup
[youtube]W5w_K17BKC8[/youtube]
Good info Patrik!
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