Pinch too TIGHT!
#1
Pinch too TIGHT!
I have a piston and sleeve that is so tight that even after running in 3/4 a gallon, is so tight that I have to take the engine apart to get it unstuck. Any Ideas? Idle temps for running in has been from 170 to 205.....
The piston keeps getting stuck and when I remove it, it has a sticky film on the sides of the piston, and to get it to start up again, I have to clean the film off the sides of the piston....I've done this 3 times and I'm about to toss it to the side.
thanks
The piston keeps getting stuck and when I remove it, it has a sticky film on the sides of the piston, and to get it to start up again, I have to clean the film off the sides of the piston....I've done this 3 times and I'm about to toss it to the side.
thanks
#2
Pre-heat the engine with a hairdryer for less pinch....
About the film... what fuel are you using? Maybe worth a try to use another brand fuel?
About the film... what fuel are you using? Maybe worth a try to use another brand fuel?
#3
when I use a heat gun, the engine is still to tight to get unstuck after I shut it down. I've tried Sidewinder, RocketScience, and Werks fuel, it doesn't make a difference, it just gets this sticky film on it.
I was thinking about taking the sleeve out and heating it with the heat gun and pushing the piston to the top and letting it cool. after that I would have to heat it again to get it out, but I though maybe it would resize it just a bit....any thoughts on that?
I was thinking about taking the sleeve out and heating it with the heat gun and pushing the piston to the top and letting it cool. after that I would have to heat it again to get it out, but I though maybe it would resize it just a bit....any thoughts on that?
#9
#10
i was getting off our second straight and then doin a 180 then going into the S curves when a guy in front of me hit a pipe and went under the pipe and i hit him and his bumper hit the head of my car and ripped it backwards
#11
I've had the discusion with a fellow racer that siad the same thing about the fuel....I'm going to be running another brand fuel through it after the Chargers/Paitriots game......I'll run 3 tanks in it to test the theory and tear it down and check the pinch/film build up.
#12
#13
still very tight, but no film build up this time......
#15
I hadn't used any in that engine with the brand new piston and sleeve......It has 7 tanks in it, I was using sidewinder for the first 4 tanks, and then I ran 3 tanks of RocketScience. I couldn't realy tell you true temps due to the ambiant air is cooler then it was with the other fuel.