Super Jet Cold Fusion Head

[Kohldanielzimmer]

Wondering if anyone knows ballpark compression numbers for an unported 701 with a cold fusion head for both the 35 and 33 cc?

 

[FearMyWrX]

Best answer you can get is from Carl himself.

Message him, "DangerBoy"

 

[Kohldanielzimmer]

Thanks for the tip. By the way this is a motor that's currently blowing about 154 psi per hole.

 

[oxnard111]

Thanks for the tip. By the way this is a motor that's currently blowing about 154 psi per hole.

I would message Carl directly.

Numbers should be higher than that. I would suspect your compression gauge as the culprit before anything else.

 

[JetManiac]

Wondering if anyone knows ballpark compression numbers for an unported 701 with a cold fusion head for both the 35 and 33 cc?

Ballpark is 185psi with 35cc and 200psi with 33cc.

 

[txsuperjetfreak96]

My stock 701 with b-pipe ada head with 33cc domes above sea level 185, at sea level at 200 pds as the man said above

 

[DangerBoy]

is it a 61x cylinder or a 62t cylinder ?

 

[txsuperjetfreak96]

62t cases 61x cylinders

 

[Kohldanielzimmer]

is it a 61x cylinder or a 62t cylinder ?

It is a 61x cylinder and 62t cases.its a completely oem motor currently and I'm testing the compression at 3600 feet.

 

[DangerBoy]

In that case you should see 186 psi at sea level , you lose about 3 %for each 1000 ft so you should be about 166 psi

 

[Murdock]

Boom