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Forum: General Q & A

04-25-2018, 11:58 AM

Replies: 5

Safe compression for 89 octane

Views: 2,169

Posted By Mohavvalley

That's a great concept but I have one pulley and...

That's a great concept but I have one pulley and can't find another (unless I drop $600 on a keyed shaft and 2 pulleys and I'd rather drop that coin on setting up my 6V-71 instead).....so it's 144%...

Forum: General Q & A

04-25-2018, 10:34 AM

Replies: 5

Safe compression for 89 octane

Views: 2,169

Posted By Mohavvalley

Great point.. in a 525SC, with .040 head...

Great point..
in a 525SC, with .040 head gasket, 8.0 lbs static, 7.5 lbs boost (177), around 12.0:1 effective, je 2618 blower Pistons, .010 below the deck, 6.358 rod, Lunati roller cam @ 234/[email protected]...

Forum: General Q & A

04-24-2018, 07:35 PM

Replies: 5

Safe compression for 89 octane

Views: 2,169

Posted By Mohavvalley

Safe compression for 89 octane

What's a safe effective compression ratio for running 89 octane?

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