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| Head gasket https://slantsix.org/forum/viewtopic.php?t=60959 |
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| Author: | MOUSETRAP [ Sat Apr 01, 2017 8:28 pm ] |
| Post subject: | Head gasket |
What would you guys run for head gasket My motor .030 over and running 6psi boost maybe a little nitrous on race day Like 25 to 50 hp if needed to get into the 12's 1/4 mile lol Thank you |
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| Author: | Dart270 [ Sun Apr 02, 2017 4:59 am ] |
| Post subject: | |
What are your compression ratio, cam, and ignition control system? Do you have an AFR gauge and will you measure that at WOT? Lou |
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| Author: | MOUSETRAP [ Sun Apr 02, 2017 6:39 am ] |
| Post subject: | |
As of now this is a pile of parts Arp head studs ,drool tube head with 1.77 1.40 valves New old stock Wisco forged Pistons .030 over Plan to just skim deck to clean minimal removed Same on head skim clean Hope for compression to be 8.5 Cam is clay smith .504 Weiand 142 super charger 6-8 lb boost want to stay @ 93 octane pump gas So a head gasket on the thicker side will be a good thing just didn't want to o-ring and custom copper is big$$$ Ignition will be hei converted electronic distributor |
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| Author: | MOUSETRAP [ Tue Apr 04, 2017 2:26 am ] |
| Post subject: | |
So the question inow is what is the thickest non copper quality head gasket ?? Thanks |
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| Author: | Junior [ Tue Apr 04, 2017 6:02 pm ] |
| Post subject: | |
standard felpro. held 25psi and a catastrophic lean condition without failure. |
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| Author: | 1974duster kev [ Wed Apr 05, 2017 5:03 am ] |
| Post subject: | |
6psi shouldn't be a big deal on a stock Felpro. Kev |
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| Author: | Dart270 [ Wed Apr 05, 2017 6:56 am ] |
| Post subject: | |
I would say use a stock Felpro or Corteco, or maybe order the Endurotec from Australia if you want extra insurance. Lou |
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| Author: | MOUSETRAP [ Wed Apr 05, 2017 2:15 pm ] |
| Post subject: | |
Endurotec thickness ?? Would the large bore gasket be OK with only .030 overbore As my pistons will still be down in the cylinder when I bore the engine could I put a extra large chamfer on top ridge to eliminate a small quench area ?? This would help to lower compression even more And I could blend chamber in the head to the large bore size unshrouding vavles and adding a few cc's Also helping to lower compression |
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| Author: | Dart270 [ Thu Apr 06, 2017 3:25 am ] |
| Post subject: | |
Thickness about 0.045" compressed. I would not touch the bore or chamfer, but I suppose that is fine if you like. Lou |
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| Author: | MOUSETRAP [ Sun Apr 16, 2017 3:20 pm ] |
| Post subject: | |
Thanks all got my new gasket I went with Endurotec from Australia Thank you |
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