Carburetor (specs) Database: SuperJet and Blaster 1

afraz1er

afraz1er

Location
native idahoan
1. Prok flame arresters
2. Dual OEM 44
3. VF2 reeds
4. Ada intake spacer
5. Finger ported 62t cases
6. Ported Jetmaniac 61x cylinder
7. Blowsion big bore sleeves @789cc
8. Wossner pistons
9. Ada head, 35cc domes
10. Big bore Factory B, limited chamber,
11. ATP water box
12. PFM lightened flywheel
13. 3mm cutback 8/13 skat impeller

112.5 pilots
125 mains
95g springs
2.0 N/S
3500' elevation

Hits hard and revs quick. Passed a ~5 second WOT. Was about all I wanted on this Reaper hull. Gets a little wobbly after that.

I forget what the needles are at but I started both at one turn out didn't take much adjustment after that.
 
A

amp3d

Location
Ontario
Picked up a stock 62T with dual 38s and aftermarket air FA.
Previous owner had the carbs all over the place with different size jets.
I'm at about 700' above sea level.

I have a few sizes of jets on me and was just wondering what the good baseline would be.
These are the sizes I have (and quantity on hand):

pilots: 67.5 (2) & 72.5 (2)
main: 120 (1), 130 (1) , 135 (2)

Would anyone recommend I reuse some of these or purchase some other sizes?

Would 135/72.5 get me close?

PS- The motor is a new sbt and still on it's break-in tank running rich

I'm not too bad with tuning, but this is my first superjet so a starting point would be awesome!
 
Last edited:
fastgtfairlane

fastgtfairlane

Location
Charlotte, NC
The stock jetting for 38s on a 62t is 70 pilots, 130 mains, 1.5 n/s, 115g spring. I believe the popoff is around 55psi. Since you have the open style flame arrestors you'll need to lower the popoff. I believe just replacing the spring with a 95g (reverse wound) would get you close. If you have the 72.5, just run that.

If you put an aftermarket pipe on it, you'll increase to at least 75p 135 mains. Popoff will stay whatever you have it set to.
 
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