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| Slant modification recommendations https://slantsix.org/forum/viewtopic.php?t=53049 |
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| Author: | searlesy [ Wed Aug 14, 2013 4:51 am ] |
| Post subject: | Slant modification recommendations |
I know its a bit of a broad subject, but wasnt quite sure what to title it. I started small, but the project (as they tend to do), has grown. I have an Aussie Chrysler Valiant, with a 225 slant. I have aquired a head, with hardened valve seats, oversized SS valves, some mild port work and will be putting in some beefier vavle springs. The car already has an alloy longrunner manifold, and a 4bbl holley carb, extractors and electronic ignition I have a Cam of the following spec Advertised - Inlet opens 35 closes 76 - Exhaust opens 75 closes 35 Duration 282 - 290 @ .050" - Inlet opens 11 closes 43 - Exhaust opens 52 closes 12 Duration 234 - 243 |
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| Author: | searlesy [ Wed Aug 14, 2013 4:55 am ] |
| Post subject: | |
aaargh, it chopped off half my post! I dont want to start throwing money at it hand over fist, but I want to keep the slant in it, and get some performance (nothing crazy) The car has original 70,000 miles (genuine one little old lady owner car), and as I will be taking the motor out to put the cam in and replace gaskets, what else should I be doing? I would imagine new piston rings, but should I need maybe some higher compression pistons? Anything else that I should be doing whilst I am in there? |
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| Author: | DusterIdiot [ Wed Aug 14, 2013 7:36 am ] |
| Post subject: | Uh huh... |
Quote: Duration 234 - 243
That duration @ .050 you are looking at a 10:1 SCR mill, time to pull the engine, take some measurements and get ready to cut some meat off the deck and head to acheive it.-D.Idiot |
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| Author: | searlesy [ Wed Aug 14, 2013 7:28 pm ] |
| Post subject: | |
Thanks for that, I just picked up the head now, and when the engine is apart, I will measure the gap at the top of the piston at TDC and then work out how much to deck.. 10:1 should be find do you think? |
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| Author: | DusterIdiot [ Wed Aug 14, 2013 8:52 pm ] |
| Post subject: | Yeah... |
Quote: 10:1 should be find do you think?
230@ .050 will like the 10:1...if it's 240@50 it's going to want more...especially if the LSA narrow...-D.Idiot |
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