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counterbalanced crank rb30et

Started by vlaholic · 17 Nov 2012 · 9 replies

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vlaholicArchived member

17-11-12, 14:58 GMT+10#1

I have a question regarding counterbalanced cranks how far do they let you push the rb30sohc and how much $ as i'm about to start building another rb30 as i have seen rb26 ones around the $3000

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pro747Archived member

17-11-12, 22:00 GMT+10#2

Quote: Originally Posted by vlaholic [View Post] I have a question regarding counterbalanced cranks how far do they let you push the rb30sohc and how much $ as i'm about to start building another rb30 as i have seen rb26 ones around the $3000 counterbalanced as in knife edged? if so I got quoted 4200 locally but cheapest I found online was 3500 for an rb30 crank

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GACArchived member

18-11-12, 08:07 GMT+10#3

Quote: Originally Posted by vlaholic [View Post] I have a question regarding counterbalanced cranks how far do they let you push the rb30sohc and how much $ as i'm about to start building another rb30 as i have seen rb26 ones around the $3000 In my opinion its a waste of time with the sohc head,as you cant rev it hard enough for it to really show its benefits

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pro747Archived member

19-11-12, 16:18 GMT+10#4

Quote: Originally Posted by GAC [View Post] In my opinion its a waste of time with the sohc head,as you cant rev it hard enough for it to really show its benefits that was gonna be my next comment haha. I wouldn't be doing this unlessh your looking at billet mains and girdle looking for over 1000rwhp in a 26/30

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vlaholicArchived member

21-11-12, 16:09 GMT+10#5

cheers for the response's guys truth be told i was so impressed with JPC SOHC rb30 i want one. So i was fishing for tips and suggestions from people on what gear to use.

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MBHSV5Archived member

21-11-12, 16:45 GMT+10#6

RB30 cranks/bottom ends are pretty strong from factory, all the magic happens in the top end. that's why no one(workshops) will every share their cam specs, port methods etc.

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Jet R31Archived member

21-11-12, 19:08 GMT+10#7

Quote: Originally Posted by vlaholic [View Post] cheers for the response's guys truth be told i was so impressed with JPC SOHC rb30 i want one. So i was fishing for tips and suggestions from people on what gear to use. Could just ring JPC and buy there ****..lol, they sell it all separate,,

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MorgzArchived member

21-11-12, 21:17 GMT+10#8

and rips do the girdle if you need one.

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88 ChaserArchived member

22-11-12, 16:22 GMT+10#9

Don't need a girdle unless your 4wd. Or well over 1200hp

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vlaholicArchived member

22-11-12, 20:37 GMT+10#10

Quote: Originally Posted by MBHSV5 [View Post] RB30 cranks/bottom ends are pretty strong from factory, all the magic happens in the top end. that's why no one(workshops) will every share their cam specs, port methods etc. *******s arent they should just build one and plaster the specs everywhere

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counterbalanced crank rb30et

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