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-   -   Whats needed for 300-330bhp (https://www.scoobynet.com/general-technical-10/635909-whats-needed-for-300-330bhp.html)

Jolly Green Monster 21 September 2007 10:37 PM


Originally Posted by borat52 (Post 7270838)
Simon,
I'm very interested in the spec of this car as its almost identical to a build that I am currently aquiring the bits for. Just out of interest when are you getting 1 bar of boost, and then full boost on this set up? Can you also remember where you got your heads ported and polished and roughly how much it cost?
Have the heads sat here now, so probably would not hurt getting the headwork done while I wait around for a UK 6 speeder to come on the market for reasonable cash.

In your opinion what is porting and polishing worth on this spec above just bolting on the standard sti3/4 heads?
cheers
will

1bar = 2700~2800rpm full boost about 3000~3100rpm in 4th.

I got them done at a local place.. not sure if worth it or not.. the standard heads seem to flow well as it is.. my heads were cheap so spending on the porting was easy if you see what I mean.. I think it was expensive.. around £400 plus custom valves..

Simon


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