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Old 01-10-2015, 12:17 PM   #1
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99 cobra best compression ratio for turbo

Hoping to get some advice on my teksid rebuild, I'm going with mmr forged pistons and rod combo with a +20 on my block,my goal is around 450 to 500HP eventually turbo,but will be n/a for awhile what would be the best compression ratio to run for my turbo?and still run n/a until I get my turbo...due to my budget..appreciate any advice on a safe compression for my needs!!
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Old 01-10-2015, 12:18 PM   #2
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What type of fuel will you be using? 93 octane you will have to drop compression a bit for that. But if you run E85 you can probably keep stock compression, or hell even bump compression up. E85 is amazing stuff.

If 93 octane then i would say get some 03/04 Cobra pistons, they are slightly lower compression and already forged.
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Old 01-10-2015, 12:22 PM   #3
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Hoping to stay around the 91 is that possible ? With the turbo..but n/a for at least a year or so..
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Old 01-10-2015, 12:39 PM   #4
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I'm running pump gas of course on my stock 99 cobra..does anybody know if I go with a 9.5 compression,would I need a 93 to run safe with that compression??
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