ben--ny

yes there are other redrives or gear boxes out there. hirth makes 2 the g50 and the g40 rotax makes a few b- box, c- box all sell different gears to channge ratios like 2to 1, 2.5 to 1, 3.6 to 1

jim, here's a picture of my toy , before the rebuild ( after a hard landing:banana: lol lol ) it will be candy blue and black. pain in the butt and wallet trying to teach yourself to fly lol l;ol lol lol

jim, sorry to hear your having so much trouble, wish i knew enough about it to help.

pics pics i can use the help lol lol olol

cool

thanks guys ross hows the rebuilt comming???

scott will the brown tops work with and fit a ea81t?????

jon that would be cool

shawn are those ram performance heads and intake ?????/ looks great those duall port heads should throw out so horses!!!! what else have ya had done to the motor ??? the brat looks great keep up the good work

best of luck to ya

brian i'll be doing the same thing soon but with a ea81 muliti point efi, 9.5 pistons, tuned exhaust and tubrocharged should be fun!!!!!

bump any one know whats up with the pipe in the exhaust????

cool jim, any luck getting a deer????? what is different is, is the exhaust outlets see the casting where the exhaust bolts and see the small pipe in one and not the other and one has a divider in it and the other doesn't.

fixed it thank

you funny guys lol lol lol tom pm sent

tom pm sent

tom pm sent tom what happened to your brother??

jeff glad ya like her lol lol lol tom, no they just injector each cyl 1 intake and 1 exhaust per head

check these out they are both tubro heads but check out the exhaust ports any one seen this before????

tubro head are all ready set up for mulit point efi!!!

i had posted this on another thread let me know what ya think or if ya know of anyone eles that has done it!!!!!! thanks ben I sure like to know how ya got that kind of power!!!! Sure could use it on my gyrocopter!!!! I’m looking for 120-130 hp I just pick up 2 tubro and 2 carbed ea81s and a extra set of tubro heads to play with on a rebuilds. This is what I plan on doing 1)turbos heads 9.5 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold. 2) tubro heads 9.5 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold and a tubro 3) tubbro heads 8.0 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold and twin turbos 4) think we can make hp with one of these set ups ???????? ps I wanted to try this on the twin carbed ea81 but couldn’t find one if ya got one please let me know!!!!! Attached Thumbnails

yes i knew the twin carb 81 is a different motor and for all the reason ya'll said

chasrace, i also think you can get that kind of hp out of a ea81

I sure like to know how ya got that kind of power!!!! Sure could use it on my gyrocopter!!!! I’m looking for 120-130 hp I just pick up 2 tubro and 2 carbed ea81s and a extra set of tubro heads to play with on a rebuilds. This is what I plan on doing 1) motor 9.5 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold. 2) motor 9.5 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold and a tubro 3) motor 8.0 cr pistons, multi-point fuel injection tuned exhaust and a wasted spark 4 coils and a custom manifold and twin turbos 4) think we can make hp with one of these set ups ???????? ps I wanted to try this on the twin carbed ea81 but couldn’t find one if ya got one please let me know!!!!!

swwwweeeeeeeeeettttttttt set up