PI swap compression reduced?
Thread Starter
4th Gear Member
Joined: Oct 2006
Posts: 1,185
From: NC
PI swap compression reduced?
Just a thought, I was wondering if you use a thicker head gasket when you do the PI swap, would it lower the compression from 10:1 to something else?? This question just came to mind and I just want to know if it makes any sense.
6th Gear Member
Joined: Jan 2004
Posts: 12,575
From: United States
RE: PI swap compression reduced?
Honestly, with the hassle of pulling the heads, doing the chains etc, and the prices I have been seeing people get for complete used PI engine assemblys (600-1000) I dunno why people even bother with the NPI swap.
Just get a PI engine/computer and be done with it. You get basically the same powerlevel as a NPI swap, lower compression, and probably in most cases a engine with less miles on it. If you can do a PI swap you can surely do a complete engine swap, the only extra thing you would have to do is the transmission/engine mount bolts, and neither is as difficult as removing the heads and redoing the timing.
Just get a PI engine/computer and be done with it. You get basically the same powerlevel as a NPI swap, lower compression, and probably in most cases a engine with less miles on it. If you can do a PI swap you can surely do a complete engine swap, the only extra thing you would have to do is the transmission/engine mount bolts, and neither is as difficult as removing the heads and redoing the timing.
CSMG Moderator
Joined: Mar 2006
Posts: 3,503
From: New Jersey
RE: PI swap compression reduced?
ORIGINAL: 2000GT4.6
Honestly, with the hassle of pulling the heads, doing the chains etc, and the prices I have been seeing people get for complete used PI engine assemblys (600-1000) I dunno why people even bother with the NPI swap.
Just get a PI engine/computer and be done with it. You get basically the same powerlevel as a NPI swap, lower compression, and probably in most cases a engine with less miles on it. If you can do a PI swap you can surely do a complete engine swap, the only extra thing you would have to do is the transmission/engine mount bolts, and neither is as difficult as removing the heads and redoing the timing.
Honestly, with the hassle of pulling the heads, doing the chains etc, and the prices I have been seeing people get for complete used PI engine assemblys (600-1000) I dunno why people even bother with the NPI swap.
Just get a PI engine/computer and be done with it. You get basically the same powerlevel as a NPI swap, lower compression, and probably in most cases a engine with less miles on it. If you can do a PI swap you can surely do a complete engine swap, the only extra thing you would have to do is the transmission/engine mount bolts, and neither is as difficult as removing the heads and redoing the timing.
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