29.5 cc ESP “High Rev” Top End Kit in FG Formula One RC Car?

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You want a ported or torque ported top end. I had a high rev top end on an fg 530 and the bottom end was not desirable. It lost the bottom end punch and tbh I couldn't tell if it revved higher as I didn't have a tach on it. A good ported top end on a 26cc will rev to the moon.
 
Rep732 said:
You want a ported or torque ported top end. I had a high rev top end on an fg 530 and the bottom end was not desirable. It lost the bottom end punch and tbh I couldn't tell if it revved higher as I didn't have a tach on it. A good ported top end on a 26cc will rev to the moon.
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Which top end do you recommend for the 26cc? Additionally, should I put a reed case or striker crank on it or leave it stock?
 
I ran nothing but esp top ends with stuffer cranks, I'd go high torque or championship ported if it's offered for a 26cc. Bigger isn't always better, I had 2 5ives setup for the track and both were built equally while one was a 32 and the other was a 30.5 and I'd swear that 30.5 could run down my 32. You want to go faster mess with gearing, you'll most likely see 18-19k rpm flat out with a 26cc also look to get the 3rd bearing in the case to support the crank for higher revs.
 
Rep732 said:
I ran nothing but esp top ends with stuffer cranks, I'd go high torque or championship ported if it's offered for a 26cc. Bigger isn't always better, I had 2 5ives setup for the track and both were built equally while one was a 32 and the other was a 30.5 and I'd swear that 30.5 could run down my 32. You want to go faster mess with gearing, you'll most likely see 18-19k rpm flat out with a 26cc also look to get the 3rd bearing in the case to support the crank for higher revs.
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Thanks for the info and for sharing the video. Sounds like I’ll be going with a 26cc race ported or 29cc “high torque” championship ported. Don’t seem to find one on DDM with a 26cc Championship ported. There is a 30.5cc but think that might be too much for the formula one.

https://www.ddmracing.com/ESP-CHAMPIONSHIP-PORTED-Zenoah-4-Bolt-34mm-G270RC-Top-End-Kit-X374323195

https://www.ddmracing.com/esp-championship-ported-zenoah-4-bolt-36mm-29cc-top-end-kit
 
Eh everyone will have their own opinion, it's good for racing where your bound by rules on engines. If you want it for the eye candy factor then sure. I get it everyone wants the best that money can buy, but esp is a cheaper option the will produce the same if not similar results.
 
Probably not allowed in racing rules , and may just make it harder to drive for bashing.
No idea how fine the balance is between traction and power on these, but I would be tempted to try it stock first to see how it drives.
 
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