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Discussion Starter · #1 ·
jw wat the comppression ratio is withe athna 98mm piston and hot rods stroker crank. i want go higher with comp ratio not sure wat one to go with any opinios would b great. thank you
 

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if im not mistaken doesnt the +3 crank up the compression by about 0.5 of a point ? atleast thats what i was told when i did mine, some one correct me if im wrong
 

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ya is around .5 i have a 14.75.1 rpa 98mm for 20mm pn i anyone is intrsted?
 

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i beleive you add .6 to your piston compression with the hr+3mm crank.
for example i ran a 98mm 14.25:1 venom piston w/hr+3 and had 14.85:1 compression.
major butt kicking stump puller-IMO
used 5 gal pump pemium 93 octane and 1 quart kemco tetrathyl lead mix (affordable and safe). made 105 leaded. ran great. piston shows no sign of predetonation after 15 hrs.
 

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Discussion Starter · #5 ·
NICE sucks i can only get vp should i use C16
 
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