That’ll bump it to 10.06 static and 8.6 dynamic. 081 and fly cut the heads to give me 54cc from 60cc Maybe this winter or maybe this August (since it has no A/C) I’ll deck the case to tighten up the deck to. I know from the numbers that I’m leaving some hidden potential. Posted: Wed 11:39 am Post subject: Re: Dynamic Compression Ratio Calculator?

Posted: Wed 11:20 am Post subject: Re: Dynamic Compression Ratio Calculator? IMHO tomany people leave power and torque in the build room and end up with less than what they want and what the engine is reliabily capable of. your results may varry, alterations may not be allowed in all states and provinces. I havent a clue what the dcr was and dont care. it should get another 80,000 without a problem if the new owner does not 1 fuck with it,2 changes oil/filterevery 2 years with synthetic 5-20 oil,3 dosent let somebody else fuck with it.

My 2028 cc had 10.4 cr with about 80,000 miles in that configuration when I sold the car. Posted: Wed 10:39 am Post subject: Re: Dynamic Compression Ratio Calculator? That's a lot closer to what I believe is reality than the 5.4 or the 16.8. Posted: Wed 9:28 am Post subject: Re: Dynamic Compression Ratio Calculator?Īt least the UEM calculator gets my static correct and says my dynamic is 7.6. 'A petrol engine can start readily, run smoothly and give every appearance of being in good order, without necessarily being in good tune.' - Colin Campbell, 'The Sportscar Engine' This is what I use: I aim for a conservative 7.5 usually on 91 octane. Posted: Wed 8:57 am Post subject: Re: Dynamic Compression Ratio Calculator? Or you can spend thousands and they comes with in house training and yearly seminars. is available for a few hundred dollar's. Posted: Tue 8:39 pm Post subject: Re: Dynamic Compression Ratio Calculator? There are no stupid questions, only stupid people, Posted: Tue 6:54 pm Post subject: Re: Dynamic Compression Ratio Calculator? Most of the internet V-8 DCR calculators are totally wrong for a VW engine.Ģ017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OKĢ010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KSġ997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OKįeatured in Dec. Posted: Tue 6:51 pm Post subject: Re: Dynamic Compression Ratio Calculator? if you have somany that say somany different things.how do you choose? ask bubba?how did bubba choose? asked mikey? but what has changed? rocker ratio is the main thing. if you put the cam lift&duration from our vw's in a v8 you have a pretty wold camshaft.

especialy on a vw with these rocker ratios we have. Posted: Tue 6:02 pm Post subject: Re: Dynamic Compression Ratio Calculator? How close do you want to be? If you know the correct information and all engine specs, you can PM them to me and I can run it threw one of my programs. That being said, to get the CORRECT answer you will need the correct data input. Posted: Tue 4:29 pm Post subject: Re: Dynamic Compression Ratio Calculator?ĭynamic compression as you know will change with overlap and how the cam is degreed. “Let he that is without oil throw the first rod” My static is 8.7 so 5.4 would be a bummer fo sho. They’re all over the chart from 5.4:1 to 16.8:1. I’ve tried 4 different ones and gotten 4 different results so I don’t know which to believe. Posted: Tue 4:21 pm Post subject: Dynamic Compression Ratio Calculator? Quick sort: Show newest posts on top | Show oldest posts on top

Compression ratio calculator