Go Back   DIY Go Kart Forum > Search Forums

Notices

Showing results 1 to 25 of 500
Search took 0.07 seconds.
Search: Posts Made By: KartFab
Forum: All Other Parts 04-02-2020, 10:28 PM
Replies: 24
Views: 495
Posted By KartFab
the 780's shred belts on v-twin high output...

the 780's shred belts on v-twin high output engines.

the 40 series wont pull the cogs off of the belts they have.

This is 2nd hand info from someone who has ran the 780s a bit. the 780 is a...
Forum: All Other Parts 03-31-2020, 02:06 PM
Replies: 24
Views: 495
Posted By KartFab
there is a high (final?) drive ratio and low...

there is a high (final?) drive ratio and low drive ratio(starting). depending on the series of torque converter, as well as the driven unit diameter, you will get varying high/low ratios.

There is...
Forum: Engines & Clutches 03-31-2020, 12:32 PM
Replies: 1
Views: 48
Posted By KartFab
stock gx 390 has a dished piston approximately...

stock gx 390 has a dished piston approximately 6-8 cc's of volume added to combustion chamber vs flat top (guess)
piston sits approximately 0.005" to .010" in the hole at TDC
head gasket is 0.050"...
Forum: Go Kart Discussion 03-31-2020, 12:10 PM
Replies: 11
Views: 173
Posted By KartFab
also most go karts use standard bearings. The two...

also most go karts use standard bearings. The two most common bearing sizes are 5/8"id x 1 3/8" od for driven units of torque converters, jackshafts, and front wheel bearings.

Rear axle bearings...
Forum: All Other Parts 03-31-2020, 12:11 AM
Replies: 24
Views: 495
Posted By KartFab
30 series limited my 5 hp briggs to 5200. A race...

30 series limited my 5 hp briggs to 5200. A race clutch let it rev out to 7200 rpm (valve float)

20 series unknown

40 series till valve float (6500 rpm)
Forum: Engines & Clutches 03-29-2020, 09:35 PM
Replies: 19
Views: 317
Posted By KartFab
vegaskarts had russel at nr racing dyno their...

vegaskarts had russel at nr racing dyno their engine. he didnt publish the numbers but i want to say that it couldnt rev very high with performance mods going on. Geoff whited out the NR racing...
Forum: Go Kart Discussion 03-29-2020, 05:02 PM
Replies: 18
Views: 235
Posted By KartFab
Juggernaut time

Juggernaut time
Forum: Engines & Clutches 03-29-2020, 12:37 PM
Replies: 19
Views: 317
Posted By KartFab
From what i can tell is that took the peak torque...

From what i can tell is that took the peak torque rating that typically happens at 21-2500 rpm, and then multiplied it by the peak rpm the engine produces (3600-3800 rpm). The problem is that peak...
Forum: Engines & Clutches 03-28-2020, 02:07 PM
Replies: 19
Views: 317
Posted By KartFab
You know what makes 18 hp? The Honda GX610, a...

You know what makes 18 hp? The Honda GX610, a v-twin industrial engine with 618CC’s of displacement.

I’ve never seen a unicorn before, nor have I seen a duromax make the HP they advertise on any...
Forum: Engines & Clutches 03-26-2020, 07:54 AM
Replies: 3
Views: 95
Posted By KartFab
my thoughts are 1) belt can slip on the...

my thoughts are

1) belt can slip on the driven unit pretty easilly when in overdrive. Ive had this happen on built motors going full throttle. The slipping can happen on either drive or driven...
Forum: Engines & Clutches 03-26-2020, 01:01 AM
Replies: 6
Views: 251
Posted By KartFab
212. The 196 will make less.

212.

The 196 will make less.
Forum: Engines & Clutches 03-25-2020, 12:27 PM
Replies: 6
Views: 251
Posted By KartFab
I have seen 13.2 SAE horsepower with a MOD2...

I have seen 13.2 SAE horsepower with a MOD2 (add 20-40% to that number for inertia dynos) and a 22mm round-slide.

The problem with MOD2 is that it is a cheater cam (higher duration, stock lift)...
Forum: Go Kart Discussion 03-23-2020, 09:02 AM
Replies: 6
Views: 364
Posted By KartFab
i have a hemi 212 and mod 2 and had to shave the...

i have a hemi 212 and mod 2 and had to shave the crank

jody at ARC racing shaves the camshaft all the time instead of the rod or crank. its common practice
Forum: Go Kart Discussion 03-22-2020, 10:07 AM
Replies: 3
Views: 129
Posted By KartFab
You do not need a better one. The one you have is...

You do not need a better one. The one you have is the ight size for your engine.
Forum: Off Topic Forum 03-21-2020, 11:40 AM
Replies: 115
Views: 1,659
Posted By KartFab
I got a degree in public health and my wife is a...

I got a degree in public health and my wife is a nurse. The most common arguments I’m seeing by those not familiar with this are:

Nobody I personally know has it, therefore it’s not real OR
The...
Forum: Go Kart Discussion 03-15-2020, 02:01 PM
Replies: 9
Views: 230
Posted By KartFab
Tomberlin crossfire go kart. Rear swing arm...

Tomberlin crossfire go kart.

Rear swing arm suspension has been chopped up and modified to fit some other engine (ATV or snowmobile?) a third shock was also added to the center/rear of the kart.
...
Forum: Go Kart Discussion 03-15-2020, 09:17 AM
Replies: 2
Views: 103
Posted By KartFab
Unscrew the retaining bolt. Just a tiny bit. Turn...

Unscrew the retaining bolt. Just a tiny bit. Turn the engine on it’s side and hold the entire weight of the engine by the torque converter with one hand (or have a friend do it with both hands).
...
Forum: Engines & Clutches 03-14-2020, 12:07 PM
Replies: 18
Views: 287
Posted By KartFab
you asked for me to elaborate, i was fine just...

you asked for me to elaborate, i was fine just calling BS and that's it :-) enough said. Id rather we all know a b it more about things than to be ignorant. Have a good one, nothing against you at...
Forum: Engines & Clutches 03-14-2020, 06:35 AM
Replies: 18
Views: 287
Posted By KartFab
JT the world isn’t black and white, and you can’t...

JT the world isn’t black and white, and you can’t just make this stuff up based on assumptions rather than facts.

The facts are
1) small engine lifters are steel.
2) small engine billet lifters...
Forum: Engines & Clutches 03-13-2020, 01:41 PM
Replies: 18
Views: 287
Posted By KartFab
i call bs :-)

i call bs :-)
Forum: Engines & Clutches 03-12-2020, 06:09 PM
Replies: 14
Views: 280
Posted By KartFab
You need a 160 main and 17.5 pilot. You also need...

You need a 160 main and 17.5 pilot. You also need to understand that the main jet does basically nothing until 3/4 to full throttle and that you need to tune the idle circuit, then midrange with...
Forum: Engines & Clutches 03-12-2020, 04:14 PM
Replies: 2
Views: 144
Posted By KartFab
Cylinder head. “Fabric one” plastic insulator....

Cylinder head. “Fabric one” plastic insulator. Fabric one. carb. Metal one. Airbox.

Just look up a Honda gx200 carburetor diagram. It’s the same.
Forum: Engines & Clutches 03-11-2020, 09:39 PM
Replies: 26
Views: 921
Posted By KartFab
I ran a 5/8 jackshaft on mine, so Im thinking...

I ran a 5/8 jackshaft on mine, so Im thinking pretty good?
Forum: Engines & Clutches 03-11-2020, 09:19 PM
Replies: 26
Views: 921
Posted By KartFab
You just might be able to get away with a 40...

You just might be able to get away with a 40 series but even I have had trouble with the belt slipping at MID range rpm because of too much torque.
Forum: Go Kart Discussion 03-11-2020, 06:20 PM
Replies: 4
Views: 162
Posted By KartFab
Depends on how much it has wrong with it. Brand...

Depends on how much it has wrong with it. Brand new they are $1,500. Since they are turds, they end up worth next to nothing as almost all the components can and do fail. You end up with a piece of...
Showing results 1 to 25 of 500

 

All times are GMT -6. The time now is 10:23 AM.