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The Custard Kid
MK3 Focus RS
10,272 Posts
Discussion Starter · #1 ·
this post is more for technical for the engine side of things, i have a few questions about the ecoboost engine it doesnt really mean 2.3 only it could be the 2.0 too

with these engines they are different compared to older type engines ie it now has direct injection, the manifold is now part of the head in the casting process

does this make the engine harder to tune? with the manifold part of the head you cannot just make another (larger) one up and bolt on to increase flow, also bolting turbos on is going to be interesting too. from what we have seen the tuning side for the mk3 ST is practically dormant as it seems its hit a brick wall.

this post is not about the RS engine not being 5 pot bla bla bla
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