View Full Version : Max Power from 1.8T ?
Red Rocket
10-08-2001, 14:42
Hey People,
Anyone know (or tried?) the absolute max power the 1.8T will generate?
This is taking the injectors and turbo pressure to the limit. I guess detonation would become a problem but I seem to remember someone tweaking a 1.8T Golf up to 285hp or so.
Are the Leon pistons reinforced as standard ? Maybe running the fuel mix rich to add some extra cooling ?
Red Rocket.
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ibizacupra
10-08-2001, 15:12
I've seen the 1.8T motor producing over 300-350bhp, but this was quite modified, running IHI turbo, bespoke manifold, downpipe, Haltech ECU, 8 fuel injectors etc... The bottom end was rebuild with ARP race fasteners. This is in a Golf Rallye 4WD.
I might add my own question to this though, what is the most from a K03 1.8T engine, and what is the most from a K04 1.8T turbo?
Intercooling could be an issue...
what is different about the 1.8T in the Audi TT 220/240bhp model? Twin intercoolers?
Bill
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http://www.badger5.co.uk
Jabba claim to be able to get 550 bhp1
Ruddmeister
09-12-2004, 09:33
try this;-
http://www.seatcupra.net/forums/showthread.php?p=257951#post257951
As bill says, depends on what you want to do to the engine, new turbo, nitrous, methanol etc. who knows you could see way over 500bhp. Then again it may only last 1,500miles before a rebuild.
KO4's are struggling to break the 300bhp figure in the Leons, LCR mat at circa 290bhp....then again we are back to the Rolling Road lottery, who knows what they eally produce.
Driven an S3 with 470 Bhp on the wheels. Conversion costed over 15.000 Euro's and service interval at 3000 miles (warum distance 15 miles before restrictor turned off).
Using the manufacturers specs for maximum airflow :
K0-3 - 170g/s x 1.322 = 224.74bhp
K0-4 - 210g/s x 1.322 = 277.62bhp
Ruddmeister
09-12-2004, 11:43
Using the manufacturers specs for maximum airflow :
K0-3 - 170g/s x 1.322 = 224.74bhp
K0-4 - 210g/s x 1.322 = 277.62bhp
Stacks up with LCR's struggling to break 290-300bhp on standard injectors/turbo's, assume LCRmat's car is helped by the whopping great FMIC as well as exhaust and induction mod's.
Stacks up with LCR's struggling to break 290-300bhp on standard injectors/turbo's, assume LCRmat's car is helped by the whopping great FMIC as well as exhaust and induction mod's.
saying that it is only hitting 210g/sec airflow at peak
does ne one know how much the maf is capable of reading?
if its like the map sensor it could need upgradeing
Ruddmeister
09-12-2004, 12:48
saying that it is only hitting 210g/sec airflow at peak
does ne one know how much the maf is capable of reading?
if its like the map sensor it could need upgradeing
Seen quite a few upgrade from the standad 1.8T to the S3/TT/LCR one but not heard of upgrading from this, dunno if it's possible :confused:
ibizacupra
09-12-2004, 13:07
:) ;)
Ruddmeister
09-12-2004, 13:10
:) ;)
.....What have you done then, have you robbed the S8 to supply the Beezer :)
At the European Car magazine 1.8T Challenge last year in the USA, a Golf MkIV 1.8T from Wide Open Turbos (New York tuning shop) put down 491BHP at the front wheels on the dyno test, obviously that's over 500BHP at the crank!
http://europeancarweb.com/18tchallenge/
The turbo specs are what Borg-Warner say is the most you can get out of the compressor, assuming you don't exceed the maximum boost pressure specification first.
The maximum reading of a MAF depends on the diameter of the sample tube - the larger the tube, the higher the mass flow for a given voltage output. You can take your sensor out of its tube and fit it to a larger diameter tube, then recalibrate the ECU to accept a lower voltage for a given mass flow rate and/or upsize the injectors in line with the upscaled MAF so that a given injector duty inputs more fuel to match the higher flow rate. The catch is that the MAF response isn't linear - at idle, a 300bhp 1.8T uses the same amount of air as a 150bhp 1.8T.
360HP in a kit:
http://www.fourtitude.com/news/publish/Industry_Tuner_News/article_907.shtml
capperoalex
09-12-2004, 20:47
Bill, did you mean difference between 180 and 225 TT's? Bigger turbo, and twin intercoolers in the 225 are the main differences I think. The TT that pumps out 240/245 ish (??) is the new V6 version.
Cheers,
Alex.
ibizacupra
09-12-2004, 21:03
Bill, did you mean difference between 180 and 225 TT's? Bigger turbo, and twin intercoolers in the 225 are the main differences I think. The TT that pumps out 240/245 ish (??) is the new V6 version.
Cheers,
Alex.
LOL.
This thread is so old....
I do know the differences thanks. :thumbup:
capperoalex
09-12-2004, 21:13
LOL - nice one. I must admit, I was thinking "hang on, 8800+ posts and he doesn't know the difference?!!!!"
Cheers,
Alex.
speed_uk
09-12-2004, 21:18
K0-3 - 170g/s x 1.322 = 224.74bhp
K0-4 - 210g/s x 1.322 = 277.62bhp
so how do jabba get away with 238bhp if the car was compleatly standard
as i got 222bhp this time :confused:
speed_uk
09-12-2004, 21:24
then they are selling somthing they cant do :thumbd:
not happy
just feel like i`ve been had :confused:
monkeynuts
09-12-2004, 21:25
:blahblah: :sleeping: How is the car fixing going at the moment mOrk( bit of a thread hijack) as all this is bar talk
k03s being any different? was well happy with 221 so thats near its limit.
then they are selling somthing they cant do :thumbd:
not happy
just feel like i`ve been had :confused:
Why? The measurement error on a chassis dyno will be something like +/- 10% without all the other variables (tyre pressures,etc) to consider on top.
If any tuning company told the complete truth, they'd go out of business in no time because the customers don't know or understand the product, so will almost always choose on the basis of cost or "wot's best" (read : who gives me the biggest number?).
The reason we have this retarded scenario of people rushing around trying to find "missing power" is because they take chassis dynos as gospel - they're a guide and a tool, that's all.
k03s being any different? was well happy with 221 so thats near its limit.
A bigger compressor will allow a higher airflow figure but the small turbine will mean that it has to run higher boost pressure to do so than the same compressor on a larger turbine.
e.g. A K0-3s might be able to flow as much as a K0-4 but it would take more boost than a K0-4 to do it.