Rovan Baja insulator manifold replacement

so today nightmare gets a new isolator block / insulator manifold
this thing is been acting up for a while now and hopefully this is one of the reasons why
the replacement procedure for the isolator block is pretty simple, it's just four bolts and a couple of gaskets.. at the end of the video we take the truck for a rip and see what difference a new isolator block makes
update: unfortunately the problem was not fixed after replacing the manifold. maybe it's crank seals or something. I figure if I'm going to be in this engine anyways replacing seals I might as well rebuild the whole thing. maybe a different top end 🤔... I've been wanting more power anyways 😏
#Rovan #Baja5B

[@jukkaovaskainen]

Great tip from mr Alan to make sure if there's a air leak. Thanks for sharing.

[@mikesdungeon8398]

No prob 👍

[@whittosrc8928]

That’s a cool looking machine mate 👍

[@mikesdungeon8398]

Thank you

[@kenneth4098]

That's sweet buggie I'll get mi old 5th scale redcat out tomorrow n kick up some rocks

[@fpvandgasrc4321]

Still sounds like there's an issue. She sounds like she's hitting a Rev limiter up top. I would check out the metering spring in the carb and also check the plug.

[@mikesdungeon8398]

Going to be hard to check all that considering I just did a full rebuild with an ESP championship ported top end 😏😉
But yes you're right in this video there was still an issue... And I for the life of me could not figure it out
I tried richer I tried leaner... The only thing I didn't try was a new plug and regapping the coil
Took out the spiral diaphragm because the gaskets in it looked like they were starting to fall apart... Put the stock diaphragm and arm back in got it to run good on high-end but after bringing it in it would constantly have a high idle no matter how rich I put the low speed needle....
the rovan is just over a year old and as somebody who started out having no idea what I was doing is probably worn out so I just posted a video rebuilding it
Next week's video will be a full run on the new engine 😁.... And it's a monster

[@diytypeofguy6502]

Should've got a alloy manifold

[@mikesdungeon8398]

That was my first thought. But then I considered that it may pull heat away from the engine and affect the carburetor.
Hot fuel creates less power so therefore I went with a plastic manifold to try and prevent heat transfer

[@diytypeofguy6502]

@@mikesdungeon8398 u get white plastic gaskets so it doesn't heat transfer

[@mikesdungeon8398]

@@diytypeofguy6502 oh I didn't know that, maybe I'll upgrade to an aluminum one in the future