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Discussion Starter #1
I have a 98 Si, d16y8, bone stock for the time being. If I got a T25 or T3, running at 10psi or less, would I need to do something to lower my compression?
I ask because I know the y8 is a relatively high-compression engine, but I'm reading alot of people turboing d16's on stock internals, and as far as I can tell, without changing the pistons or anything. Are these people installing thicker head gaskets to lower the compression? If so, what's a good target compression for a y8 running a T25 or T3 at about 10psi?
This is kind of the basics of what I'm planning:
-- either an hf manifold or a log-style; I want to retain AC + PS.
-- T25 or T3, preferably a used (in good condition, or rebuilt) Garrett. Internal WG.
-- a long, slim FMIC (I've seen some that are as slim as 5.5")
-- OBD1, chipped, don't know what tuning... perhaps Uberdata?
-- upgraded fuel pump and injectors. Will have to look into these a little more...

Looking forward to constructive replies!

Mr^Man
 

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Discussion Starter #6
Thanks for the input guys! It's much appreciated!
I had posted the same question in another forum, and got much less useful replies than in here.
Now I know where to ask my questions... ;)

Mr^Man
 
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