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Old 19th September 2007, 02:02   #10 (permalink)
Ford Rocam
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Join Date: Feb 2005
Location: Mumbai-India
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Quote:
Originally Posted by Jaggu View Post
wild guess, should shave another 2-3 secs.
Too wild "jaggu dada".... Not to dampen your spirit "Adman" but Honestly dont expect that much.The timing depends a lot by the torque produced by the engine at particular powerband, in other words you should stay in that powerband where your engine is producing maximum torque.

to give you an example we were testing timing on Bhushans (EVO6) Audi TT with 250 bhp & 6500+ rpm redline. we were constantly getting timing of 14.7xx-15.xx in every run. not impressive for 250bhp TT, we found that we were shifting every gear at around 6000-6500rpm. only in 1 particular run she timed 13.6xx when he was shifting a bit early.
Next day while analyzing his dyno graph we found that the engine produced peak torque at around 5000 rpm & after 5500 rpm the torque dropped drastically. He had shifted every gear in 5500 rpm range where max torque was produced & that was the reason timing came down to 13.6xx
so staying in powerband is more important with list of mods. thats the reason i asked you for dyno graph.
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