I'm planning on rebuilding my old and tired 280,00 mile F22a6 and I would like to go and refresh the cylinders and bore them to 86mm Just to make sure everything is fresh and good to go for another 300,000.
Now I've been eyeing the Bisimoto 9:1 and 9.1:1 Compression ratio pistons for quite some time now and due to the bump from 8.8:1CR to 9:1CR I was wondering if I'll need a tune. I've scoured the internet, dug through all kinds of forums from subarus to civics but still no solid answer. I even made this account just so I can get more insight.
I live in Califronia so almost any performance mod is seen as criminal so thats why I'm reluctant to tune. I could manage with a bit of adjusting the distributor if I must though. If its one thing I keep seeing in many other forums is "Just do it right the first time". Well its a little hard to do it right if its frowned upon by the state.
tl;dr - I live in california. Gonna rebuild with 1mm larger pistons. Larger piston = slightly higher comperssion ratio. ratio from 8.8:1 to 9.1:1. Will I need a tune? Cali sucks for mods. Reluctant to tune.
Thanks all in Advance.
Now I've been eyeing the Bisimoto 9:1 and 9.1:1 Compression ratio pistons for quite some time now and due to the bump from 8.8:1CR to 9:1CR I was wondering if I'll need a tune. I've scoured the internet, dug through all kinds of forums from subarus to civics but still no solid answer. I even made this account just so I can get more insight.
I live in Califronia so almost any performance mod is seen as criminal so thats why I'm reluctant to tune. I could manage with a bit of adjusting the distributor if I must though. If its one thing I keep seeing in many other forums is "Just do it right the first time". Well its a little hard to do it right if its frowned upon by the state.
tl;dr - I live in california. Gonna rebuild with 1mm larger pistons. Larger piston = slightly higher comperssion ratio. ratio from 8.8:1 to 9.1:1. Will I need a tune? Cali sucks for mods. Reluctant to tune.
Thanks all in Advance.
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