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PostPosted: Tue Sep 19, 2017 7:48 pm 
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Location: North East, England
Im looking at getting rid of my throttle bodies on my st170 with megasquirt to turbo it for a smoother running 250 bhp.

I know there are lots of threads that i need to read through, but what would be the easiest way to get the 250bhp?

I was thinking of using a blacktop head on the setup i have now, frst exhaust manifold with t3, ho inlet manifold (just because i already have one)

Is there any other mechanical changes i would need to do?

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PostPosted: Thu Sep 21, 2017 1:41 pm 
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Location: south wales
out of interest why does everyone bin the st170 head ?


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PostPosted: Sat Sep 23, 2017 9:48 am 
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i think it might be to eliminate the vvt

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PostPosted: Mon Sep 25, 2017 9:55 am 
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you can get vvt delete
from what Ive read the st170 head is the best flowing zetec head from standard


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PostPosted: Mon Sep 25, 2017 1:15 pm 
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Can you not get something to work WITH the VVT?

Jason.

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PostPosted: Tue Sep 26, 2017 8:20 pm 
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With a turbo the head isnt a big issue from what ive read, so it seems alot easier to stick a blacktop head on


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PostPosted: Wed Oct 11, 2017 12:11 pm 
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Im finding a lot of info on zetec turbos but not wether it all fits in a mk2 bay,

I was thinking rover inlet manifold but dont know if it hits the servo?
Or the rs1800 ho inlet but does the bonnet shut with a silicone hose from inlet to intercooler?

Any info is appreciated
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PostPosted: Wed Oct 11, 2017 1:58 pm 
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Location: Manchester
The only engine I can think of off of the top of my head that has any sort of clearance issues is the Puma engine.

( Far too many Off and Of's in that sentence!! LOL! )

Because it's "Back to front" the inlet area is at the front, where the bonnet is lowest on a Mk2.
I'm sure with some creative engineering, something could be sorted out.
But standard Zetec lumps fit with relatively few issues.
The main issue is the plastic intake on the later S2/3 units at the rear of the engine bay. Not the bonnet.

Jason.

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