what is the best compression? - Nitrous Oxide Forum

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what is the best compression?
Sunday, March 12, 2006 2:57 PM
i have a 96 2.2 that i was building for boost but ran into money problems. i got as far as lowering the comp to 8.5:1 with forged pistons and stock rods. i have the money now to get back on the boost kick but i was wondering if i could just be better off spraying the crap out of this set up. thanks

Re: what is the best compression?
Sunday, March 12, 2006 9:50 PM
thats almost perfect compression..

The Only thing Gayer than my cavalier is the purple shade of its nitrous bottle
Re: what is the best compression?
Monday, March 13, 2006 9:50 AM
That is a good ratio for boost or a high amount of nitrous.


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Madjack wrote:Like I said before, building an engine like ours (2.2 or 2200) is a painstaking chore , since there is so few custom made parts. It's frustrating to me too, but that's what I like about doing this engine, it's the challenge.



Re: what is the best compression?
Monday, March 13, 2006 10:32 AM
i was thinking direct port. how much should i think about spraying?
Re: what is the best compression?
Monday, March 13, 2006 11:26 AM
I suggest a 50 or 75 shot for starters and ease you way into it. Pistons arent the only thing that nitrous has an affect on. So by just changing the pistons your not gauranteed to be able to run a 150 shot.


____________________________________________________________________
Madjack wrote:Like I said before, building an engine like ours (2.2 or 2200) is a painstaking chore , since there is so few custom made parts. It's frustrating to me too, but that's what I like about doing this engine, it's the challenge.



Re: what is the best compression?
Monday, March 13, 2006 1:55 PM
That a pretty low compression ratio.
Lower than I like for turbo/super, but functional.
Way too low for a nitrous build, but not to say it wouldn't still run.


sig not found
Re: what is the best compression?
Monday, March 13, 2006 3:14 PM
I have 10.1 to 1 in mine...


http://www.cardomain.com/ride/2090440


Re: what is the best compression?
Monday, March 13, 2006 5:12 PM
Id say perfect for boost, nitrous you'd want much higher.



Re: what is the best compression?
Monday, March 13, 2006 6:41 PM
protomec wrote:That a pretty low compression ratio.
Lower than I like for turbo/super, but functional.
Way too low for a nitrous build, but not to say it wouldn't still run.


You do realize that adding a turbo will raise your compression. Which is why you want low compression pistons right?

I still say 8.5 is fine for nitrous, since stock is like 9:1 I do believe maybe 9.5:1


____________________________________________________________________
Madjack wrote:Like I said before, building an engine like ours (2.2 or 2200) is a painstaking chore , since there is so few custom made parts. It's frustrating to me too, but that's what I like about doing this engine, it's the challenge.



Re: what is the best compression?
Monday, March 13, 2006 7:06 PM
you might break into the 14's with a 150 shot

The Only thing Gayer than my cavalier is the purple shade of its nitrous bottle
Re: what is the best compression?
Monday, March 13, 2006 7:17 PM
^^^^^^^^^^^^^WHAT?!?!


http://www.cardomain.com/ride/2090440



Re: what is the best compression?
Monday, March 13, 2006 9:30 PM
Your compression is great for a 70s smog v8!
Other than squeeze what do you have for N2o OR Boost??
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