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What comp. Ratio?????

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Old 06-09-2011, 08:06 PM
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Default What comp. Ratio?????

I need some suggestions on what comp ratio should I run..I plan on making 750hP+ w a s366 w compR wheels and on c16,w a golden eagle sleeved 84mm ls block and a built head...I was planning on running the cp's 9.7-1 but I also seen people go w higher compression..need some inputs guys..thanks
Old 06-10-2011, 05:33 AM
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Default Re: What comp. Ratio?????

Originally Posted by Snail-werks
I need some suggestions on what comp ratio should I run..I plan on making 750hP+ w a s366 w compR wheels and on c16,w a golden eagle sleeved 84mm ls block and a built head...I was planning on running the cp's 9.7-1 but I also seen people go w higher compression..need some inputs guys..thanks
I would run 11.0-12.5:1 if you are strictly going to be race gas. The compression will help a TON!
Old 06-10-2011, 05:37 AM
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Default Re: What comp. Ratio?????

Jeff evans has mentioned to me in email that he builds his race engines at 11.0-12.0:1. For e85 he recommends 11.0:1.
Old 06-10-2011, 06:26 AM
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Default Re: What comp. Ratio?????

Originally Posted by 4cylfeind
I would run 11.0-12.5:1 if you are strictly going to be race gas. The compression will help a TON!
This. Plus big cams.
Old 06-10-2011, 07:13 AM
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Default Re: What comp. Ratio?????

Originally Posted by mar778c
This. Plus big cams.
I have pro 1's..and thanks for the input guys...I think to get used to the new setup I'll be running 100 octane and then strictly race gas...any more suggestions?
Old 06-10-2011, 07:54 AM
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Default Re: What comp. Ratio?????

Originally Posted by Snail-werks
I have pro 1's..and thanks for the input guys...I think to get used to the new setup I'll be running 100 octane and then strictly race gas...any more suggestions?
I wouldnt push it too hard on 100oct.. Dont want to take a chance of detonating. Im not sure of the power level you want to cut off at using 100oct but its just not worth taking a chance.
Old 06-10-2011, 08:09 AM
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Default Re: What comp. Ratio?????

I was thinking like around 500ish just to get a feel of the car..
Old 06-10-2011, 08:24 AM
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Default Re: What comp. Ratio?????

That would work.
Old 06-10-2011, 08:28 AM
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Default Re: What comp. Ratio?????

Should be a nice setup 11:1 ftw
Old 06-10-2011, 08:43 AM
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Default Re: What comp. Ratio?????

Thanks for the info...anymore suggestions tho
Old 06-10-2011, 08:48 AM
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Default Re: What comp. Ratio?????

Ignition will play a significant factor. What does your ign setup look like?
Old 06-10-2011, 09:36 AM
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Default Re: What comp. Ratio?????

Stock for now but I'm planning On getting an m&w setup
Old 06-10-2011, 09:39 AM
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Default Re: What comp. Ratio?????

Nice! I have the M&W Pro10 and the Msd HVC coil.
Old 06-10-2011, 01:01 PM
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Default Re: What comp. Ratio?????

Originally Posted by 4cylfeind
Nice! I have the M&W Pro10 and the Msd HVC coil.
Is this ignition system holding up pretty good?
Old 06-12-2011, 02:39 PM
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Default Re: What comp. Ratio?????

I havent installed it yet. I am waiting for some fab work before I wire everything up
Old 06-13-2011, 09:41 AM
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Default Re: What comp. Ratio?????

Any more suggestions???
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