Not enough power from VY SS

I have a VY SS with a LS1 Gen 111. I have added SS Inductions Cold Air intake, SS Inductions Big Bore Air intake, SS Inductions Mass Air Flow Meter, 2 1/2 inch exhaust, Genie 4 into 1 headers, unichip, replaced the standard turtle shell engine cover with dual engine covers and had a 3.9:1 diff installed.

The problem is..on the dyno (with atmospheric adjustthe car only pulls 209.8kw rather than the usual 220kw odd which one would expect from these mods.

Anyone experience the same prbolems? Any fixes?

I was thinking about adding an electric water pump for another 10kw or so? what do you think?

That IS odd. Was the dyno set up properly?

I'm probably showing my inexperience here :D

Lennyman, 209.8kw is about right for your mods.The cars running in the 220rwkw range have been tuned using ls1 edit not unichip.Secondly,the SS inductions intake has repeatedly shown to lose power over a HSV or Std VY intake.
Electric water pump I'm assuming is the Davies Craig one? Word of advice stay away from it!
PM me if you want further info
Cheers

Great post GPT.

Be aware that by attaching 4 into 1 headers the gain is only available at the top end of the rev range and is not somewhere that you would redally spend a lot of time at unless you participated in track days and such

Not only do Unichip use a different method of retuning the engine (by scrambling standard settings and using the settings installed in the little box of tricks but sometimes it is said that they dont allow fuul effect of the modifications that you have had done.

My suggestion would be to have the Unichip removed and have the engine tuned using LS1 Edit as all the guys in my local area are reaping the rewards from tis program

There is also a new program on the market that can permanently change the settings in the original computer

Look forward to hearing what others think on my suggestions and I wish you the best of luck extracting the most out of your engine

Cheers

Ben Pratt