That doesn't sound too bad.
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| Cranking compression https://www.slantsix.org/forum/viewtopic.php?t=22692 |
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| Author: | HyperValiant [ Thu Apr 12, 2007 6:47 pm ] |
| Post subject: | Cranking compression |
About how much should a 170 with 9.3 to 1 compression ,Comp cams 264s installed straight up(degreed to specs) have as far as cranking compression? I have 145-150 across the board but this is with a relatively new engine that only has about 10 hours of running time and none of that is real world driving only a few short light to medium thottle 1/4 mile runs and the rest is tuning,idling,break in,and moving around the shop. Are these numbers close to right?Thanks in advance. HyperValiant |
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| Author: | slantzilla [ Thu Apr 12, 2007 8:36 pm ] |
| Post subject: | |
That doesn't sound too bad.
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| Author: | SlantSixDan [ Thu Apr 12, 2007 8:42 pm ] |
| Post subject: | |
145-150 sounds very good with your setup, to me. |
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| Author: | Doc [ Fri Apr 13, 2007 8:52 am ] |
| Post subject: | |
That's about right... as you noted, the compression may come-up a bit as the rings seat. A little cam advance would also increase cranking compression. DD |
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| Author: | HyperValiant [ Sat Apr 14, 2007 6:09 am ] |
| Post subject: | |
Thanks for the reply fellas. HyperValiant |
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