West Tuned conversion;
Big valve head (not sure what spec it is but I know its big valves and ported)
Large throttle body
West Tuned own cam
Live map by Ray West
GRSmotorsport charge cooler
NGK spark plugs
Miltek manifold with sports cat
Alta air filter
GTTuning 450 injectors
GTTuning vernier cam sprocket
GTTuning 17% pulley
GTTuning Adjustable Fuel pressure regulator
The story between myself and Ray was basically I want the maximum amount of horse power with the minimum amount of boost and had to be reliable. My car runs no more than 15.5psi of boost, I've done track days and a hill climb course and drive the car the way Ray instructed me too - always brings a smile to my face everytime I drive it
Last edited by GRSmotorsport; Jul 28th, 2008 at 09:22 PM.
Reason: Added another GTTuning part I forgot about
- Shrick cam
- "noname" water to air intercooler
- "noname" 19% pulley
- "noname" custom head with original valves
- "noname" big throttle body (63mm)
- OBX header+header wraps
- no cat
- One ball with custom 2,5" stainless steal pipe to back resonator with magnaflow middle
- denso iridium IK22
- K&N panel filter with modifed airbox
- calibrate bypass valve
- fidanza flywheel
- aquamist water injection
- MTH chip (but it's very old and it's write only for the pulley )
I think that's all.
The temperature was 17°C. For each graph we do 2 measurment.
This is independent measurment of power on MAHA LPS2000 dyno. The power is with EWG standard which is more accurate than DIN but lower number. At DIN standard power will be bigger for approx 3%.
Here is without water injection, the water in intercooler was hot because the car was there for about 30min without fan. Maybe it will be a little more gain with cold water.
This is with just water in water injection. The water injection is not necessary with good intercooler!!! Gains about 15 HP are dreams. Only with custom chip maybe you get something.
This is 30% methanol in water injection. It's bigger power but the curve is deformate like with just water.
Now I start with water injection at about 4000rpm, but I will start now at 5000 in the future but only in summer.
Does gearbox (pre of post facelift) influence to power? Do you measure it in 4 th (I am looking only 116mph at 7000?!?!?) or 5th gear?
Last edited by Fisher; Nov 12th, 2008 at 08:32 PM.
You need a manifold... Those parts coupled with an intercooler and manifold should see you with 200whp or very close IMO.
For youir 209bhp power that torque does not seem terrible, not as good as it could be but not terrible. The mods you have added add some torques but in the main your being very restricted by your flow rates...the JCW exhaust is notoriously restrictive, and the lack of a manifold will also hold your torque down even if your hp (power) increases.
Also on the dyno a stock IC can struggle to ensure enough cool air to the engine...the flow from the fans at most dynos are just not enough to ensure that a pullied car delivers its full potential if its running a stock IC IMO...I'll lay money if you cooled the IC you'd see an improvement in torque, and a manifold would let your torque curve improve instead of flatlining once it hits the restriction point of the manifold and exhaust.
Just checked your graph and it shows just what I mean.... look at the way your torque climbs till 4000 and then flatlines (its like the car hit a brick wall in terms of delivering potential torque) ... best guess as to why would be what I have put above... your power seems ok so heat is obviously not as big a deal as I though (although a GRS or GTT IC would help gain a fraction more power at top end, where the car gets hot)
Just my guess/opinion, but i bet some more flks will look at the graph and come to similar conclusions.
Cheers for that, I did think the flatter the torque curve the better?!? But it does seem to hit a wall at 3800rpm ish
I almost bought a Janspeed manifold when Lohen were doing their group buy, but had just bought some brakes!
I agree I could do with an intercooler (was going to go for the GP one) but the weather was around -1degrees on saturday when the Dyno was done, so doubt it would have got too hot.
Think I'll have to make a manifold No. 1 on my list after Xmas
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