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Originally Posted by Hatterasguy
125hp is 125hp, simply no way around that. Of course cars are not like computers and results may vary. Now if he said 11 seconds and his fuel and boost were turned up, maybe timing played with a bit, then I'd beleive it.
Your SDL is not stock, so of course that changes things. Plus 603's are up 25hp on the 617's, assuming everything is stock.
For example their is an argument that if you retard IP timing to 14ATDC on a 603 you might gain a bit. Mine is at 15ATDC, may or maynot knock another degree off that, I'll let the TC break in first.
So lets do this for this hot SD. What is your turbo putting out? What is the IP timing? What is the cam to crank timing? I am also assuming that your injectors have been checked and are in proper order. Valves adjusted goes without saying. What about the ALDA? Is the cap still on it or has it been played with? Can you get it on a dyno for some numbers?
Now most 617's I see have original injectors, never touched, timing never checked, ect. They are out of tune and tired, period.
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I have not done much performance wise to the car at all. I have not even adjusted the valves since I got the car 5 years ago, but it has not been driven at all except for the last 3 months. and since then, all I have done is clean it up and work on the electrical parts that don't work.
I read several posts that said to do a 0-60 and when I did I was amazed, so I have done it a couple more times and unless I am a complete idiot with a stopwatch...(it is possible
) the worst time I have gotten is 10.14, I still have not gotten the GPS set up to verify the speedo, but traffic and other cars I have driven in make me think the speedo is pretty close.
My reason for the post is not to brag on how fast my car is, but to see if there is something to worry about, or if I should be checking the vehicle over for ailen technology.
the only thing unusuall is the overboost disconnected. I looked at the IP and there are scribe marks on the block and the IP, so it probably has had the timing set. but not by me. I know personally the PO and it was a large woman in her 50's so I doubt perfomance enhancing has been done to this car. She is wealthy, and it was serviced regurly by a local indy, so possibly the indy modified the turbo wastegate and alda to give her more gasser like performance. it does not smoke or burn oil. there are drip marks where ever I park the car. when I punch the go pedal for the test, the engine actually roars and everything shakes as it pulls through the first two gears. 60 comes up well before 4th gear. also, several posts say you will not hear the turbo whine while driving the car. my car has a noticable turbo whine on the freeway, but then again, I drive with my windows down... is it normal to be able to hear the turbo whine?
John