Originally Posted by Krawl

I own both B7 and vspec, IMO Werks TL21 B7 PROC is fast on mid and high end, but it's very weather sensitive engine, hard to tune, weak cooling fins and weak crankshaft! (broke mine and now that engine is lying on my bench waiting for crankshaft that cost $200)...Then v-spec...what can I say...nothing but satisfaction....it's 3 ports engine but wickedly fast! On straight line drag test could easily catch up the mighty RB WS7III. Very easy to tune and hold it well in every weather conditions....you need 2050 pipe for small to medium sized track or 2060 for large track....mine combined with werks 2013 pipe, it works very well...

Originally Posted by Alan D.

Which year was the B7?

Originally Posted by RyyRyy

Thanks, and yeah like I said i have a few EB Mods VSpecs and they are by far our favorite engines in the 8 years i've been racing... I still run the 2050 pipe with the original header... p6 plug, my dad tunes all of my engines and is extremely knowledgeable (been into r/c before i was even around) but now that i dont have my sponsorship anymore its time to try to cut cost and try something new

Originally Posted by Krawl

I guess it's 2008...why?

Originally Posted by Krawl

IMHO if you want to try something new...go with RB or Novarossi.... I also heard JP engines have the longest life...

Originally Posted by RyyRyy

The 07 and the 08 were different


08'

New piston/sleeve
New case
New Crank
Rear Ceramic Bearing

Originally Posted by Krawl

yes, mine is pro-c...means ceramic correct? new crank? Still not strong enough....I broke mine....