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Old 02-20-2011 | 11:21 AM
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teeforb
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Originally Posted by houston
plus 21-4c team is a killer engine !!! best buggy engine period IMO , i just cant ever take it out of my buggy , i guess i like it


the new plus 4 is pretty much the same engine internally , minor exhaust change but the lowered the head by a HUGE amount , could be good or bad , we will find out here shortly after they get ran for a while . most of the changes on the plus 21-4btt are cosmetic except for the price

trust me when i say none of the new engines will make any of the so called "old" engines obsolete

i answered all your questions about plug , nitro % and all that jazz in your original thread you started
Is the bryon 3000 30%?

I thought I read somewhere the plus four max nitro was 25%? Is that not correct. And what's the difference between the bryon 3000 and pro race?

Thx
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