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What Cylinder Head To Use For Best Performance With 2.3L Block?


lookforjoe

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C70 only used the B5234T3 up to '02, according to the VADIS I have. Cams for that are 9458202 intake 9458203 exhaust - same as the lower output B5204T3. Maybe the C70 was detuned compared to other models?

uh bummer deal if so. since my engine came out a 02 C70.. I'll try to find some part numbers when I get to the cams

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uh bummer deal if so. since my engine came out a 02 C70.. I'll try to find some part numbers when I get to the cams

Coupe or Vert? Mine was from a coupe, and the PN stamped on my intake cam disagrees with what VADIS says I should have. It's actually 6900044 :blink:

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Coupe or Vert? Mine was from a coupe, and the PN stamped on my intake cam disagrees with what VADIS says I should have. It's actually 6900044 :blink:

coupe lol

XRB5254T2cams0009.jpg

iboost....school is in session

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coupe lol

iboost....school is in session

Hey I did mine with a dremel and limited bits :tup:

and you know what, ill still net gains :)

looks much better now anyways that was the rough eating away.

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Hey I did mine with a dremel and limited bits :tup:

and you know what, ill still net gains :)

looks much better now anyways that was the rough eating away.

I used a dremel & limited bits as well :lol: I just took at least 5-6 hours to do them all carefully.

Did you take any pics of how you finished it - those really looked bad...

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Many thanks to Volvo5.0 for the brackets that arrived this evening!

I cleaned them up & shaved down the upper section to match the early style width of 1 3/8"

IMG_8141.jpg

notched the lower section for the cam sensor harness

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cut off the TB/IAC/thottle bobbin flange from a turbo intake

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cut off the plenum of a ME7 turbo manifold from Justin

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it really is a piddly little thing...

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Not sure what if anything I'm going to do with it.

My NA intake should be here Monday, then I'll get that cut down, etc.

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Did some clean up on the valve end of the intake ports - there is a lip created by the valve seat land that can be removed, and general clean up of the casting. Still needs refining, but I'm not looking for mirror finish.

IMG_8146.jpg

IMG_8149.jpg

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Did some clean up on the valve end of the intake ports - there is a lip created by the valve seat land that can be removed, and general clean up of the casting. Still needs refining, but I'm not looking for mirror finish.

IMG_8146.jpg

IMG_8149.jpg

What do you mean by seat land creating a lip?

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Some more pics of the ports - very hard to photograph in low light

intake got pretty much all the casting lines out, smoothed.

IMG_8159.jpg

IMG_8152.jpg

IMG_8151a.jpg

exhaust - the valve guide surround could be cut back a little more - but I don't want to run the risk of creating a potential weak spot & drop a valve guide - I'd rather be conservative since really I'm just cleaning up what's there.

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2 ports added for breather, baffle welded inside

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just gonna use the forward one, the back is just insurance

IMG_8162.jpg

VVT blanks

IMG_8161.jpg

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