Quote:
Originally Posted by Peanuts
So I'm looking at forged internals, etc before even trying to hit 250kW? They also have a stage 3 (non flex-fuel kit) that apparently gives 225kW but I'm guessing will need a built bottom end for that too
They don't have any recommendations for that sort of stuff on the webpage so wasn't really sure
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I ran my then new Harrop at around 166kw at the wheels for about 4 years of hard driving, with a "standard" engine from new. With an 85mm pulley, and no flex. (but with oil coolers, headers etc).
It was completely reliable, and great fun.
But any more power than that and you will need to start upgrading internals and the driveline parts, to begin to ensure a degree of reliability.
Also remember if you're starting with an already old/used engine, its already going to muddy the waters on engine issues...
Personally I would start off fairly conservative (as I did). Enjoy it. Learn it. Then work out if you want/need the extra grunt and all the extra costs/stresses involved.
The Harrop system itself is a gorgeous piece of kit, beautifully engineered with quality construction...and easily self installed.
And the Melbourne Harrop guys/girls are a class act to deal with too!