I'd say around 8:1 to 8.5:1 maybe 9:1 if the engine is built to handle the pressure
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| Author: | jimmy_ams04 [ Tue Nov 17, 2009 1:53 pm ] |
| Post subject: | turbo setup questions |
hey guys im just up to getting final things together for my turbo build im running an 1100cc engine and around 7 pounds boost does anyone have any suggestions on good compression ratios??? Thanks James |
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| Author: | Kennomini [ Tue Nov 17, 2009 5:04 pm ] |
| Post subject: | |
I'd say around 8:1 to 8.5:1 maybe 9:1 if the engine is built to handle the pressure .
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| Author: | jimmy_ams04 [ Tue Nov 17, 2009 7:23 pm ] |
| Post subject: | |
thanks im just worried about mt head coz there isnt alota meat left on it, so ile probably be looking at a decompression plate
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| Author: | Super-mini [ Tue Nov 17, 2009 11:01 pm ] |
| Post subject: | |
should work on stock compression, avoid a decomp plate if you can. do a bit of a search in this section and you'll find plenty of info. |
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| Author: | jimmy_ams04 [ Wed Nov 18, 2009 9:09 am ] |
| Post subject: | |
thanks will do, what a disadvantages of a d/c plate? would i be better off taking some meat from the compbustion chambers? |
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| Author: | Super-mini [ Wed Nov 18, 2009 3:27 pm ] |
| Post subject: | |
the d/c plate increases the chance you wont get a good seal on the head or the gasket, and it will increase the chance of blowing the gasket. I havent had any issues with mine but i have seen/heard of others having issues. take your cc's out of the chambers or the pistons if you can. with only a modest 7psi you may not need to take much or any depending on how much your block/head has been decked. my engine is running 8:1 but with 11-12psi |
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