any cons to premixing fuel for my rude 300s

[ratman67]

i have a low hour pair of 89 rude 300s on my manta and always pre mixed for my 2t bikes, so i want to premix fuel for my rudes any disadvantage to running premix on my engines? if i do should i remove the oil injection pumps? thx for any info, rm

[kimswang]

Lots of us use Holley Reds with great success. Plug the hose coming out from the bottom of the block and connect the hose directly to the current hosing. Works great.

[ratman67]

you are replacing the oem fuel pump with a holley red bodied electric pump? is the oem fuel pump mixing the gas and oil and thats why you are running the holley pump? thx

[JAA]

Premixing is fine!

[roadkill636]

SOME fuel hose is not designed for 2 stroke oil. Get the kind that is oil resistant. Or it will get soft and gummy.

[kimswang]

No, no mixing in the pump, its all premix. The best way to save your engine(s) if you don't care about a little smoke at low speeds.

[ratman67]

No, no mixing in the pump, its all premix. The best way to save your engine(s) if you don't care about a little smoke at low speeds.

why did you go to a holley fuel pump ?

[J.P.]

O'Reilly Auto Parts.

[Li'l Toy]

Ratman--

OK, we have some confusion here--

1. Many say the the OMC VRO on the old 300s is unreliable. So premixing is good.

2. The VRO mechanism and the pulse driven fuel pump(s) are the same assembly. I suppose that the pumps could pump but not mix, but most who take off the VRO just take off the whole mechanism and use electric fuel pumps. Gotta say, though, that I have gone through way too many Holley Reds, and you need to reset your floats to handle the pressure at which they pump which is 5 to 7 where your carbs like 4 to 5. My son has urged me to find a stock fuel pump and go back to that, but still premix. I have just switched, at a friend's recommendation, to an Aeromarine or Aerotech (don't recall offhand) pump, but motor is down for other reasons so I haven't really tried it yet.

and PS: if you are a saltwater boater (and with that size boat I assume you are) and you can't get ss hardware, you should not be boating.

[Mr. Action]

In hi performance application Holley red is needed for your stock boating needs leave oem/vro for fuel n block off the oil part engines will last longer

[ratman67]

you went to all the trouble of re setting your floats instead of running a fuel pressure regulator? wow

i shouldnt be boating in colombia because there isnt easy access to ss hardware? wtf bro u better never move out of your moms basement is a scary world out here. lol i cant buy a roots blower here either but i did manage to import one for my 48 anglia. i import stuff from the states all the time its just a pita but wont stop me from doing what i want it just slows it down a little... rm

[Ron V]

In hi performance application Holley red is needed for your stock boating needs leave oem/vro for fuel n block off the oil part engines will last longer

This. That's how I ran my V-4. If the stock pump wasn't adequate to pump enough fuel for the stock motor, OMC would have put a stronger pump on it from the factory.

[ratman67]

holley red and blue pumps have always been poorly made, now there are so many better options

[Li'l Toy]

you went to all the trouble of re setting your floats instead of running a fuel pressure regulator? wow

i shouldnt be boating in colombia because there isnt easy access to ss hardware? wtf bro u better never move out of your moms basement is a scary world out here. lol i cant buy a roots blower here either but i did manage to import one for my 48 anglia. i import stuff from the states all the time its just a pita but wont stop me from doing what i want it just slows it down a little... rm

From other thread:

so ur assuming i can find ss fasteners in northern colombia lol thx for the info and yes my boat will be air born a lot

Hey, I just responded to your complaining about how it is hard to get ss after I explained to you how to pin your lower units with 1/4-20 ss flathead machine screws in the other thread. If you can get what you need, why the whine?

[Lockjaw]

I'll tell you a problem, you are pumping gas into the tank and fill it up to much to get enough oil in there to premix properly.

Been there, done that. More than once.