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Per the user agreement, commercial signature links aren't allowed so here's the thread about it! I launched a website at the beginning of the year to showcase some of the work I've been upto! SCD-RACING is the place. I've posted pictures some of the blaster, polaris, and banshee work I've...

I have had a "open" media blaster for a while but it's getting tiring getting covered in sand all the time. Add to that, it's a "total loss" system where I can only effectively use cheap media (silica sand) because you can't really get it back once it's been used. To that end I've been looking...

Got a hold to a mid-90's CR250 head that had a little damage done. Kinda funny because the spark plug hole is not centered to the combustion chamber so I threw it on the face plate using stand offs and spun it gently. I cleaned as much of the squish area damage as I could without changing...

All polished up and ready to go.

There have been a lot of questions lately about case repairs. This is a typical "break" inside a blaster engine. Engine arrived complaining of a high idle (unmetered air entering the engine through the break). Pictures start after the engine was disassembled and generally cleaned: The...

So I'll preface this by saying I got these in a trade with no specific need for them. They were beat, broken (literally, a dual stage spring was broken), and dirty. After finding out they were on their way, I contacted a friend about them and he said he was interested. Unfortunately, they...

Well, PaulieB kinda sorta let the cat out of the bag early in another thread so there's not a lot of sense in keeping it hush hush it until it's all done. I might as well show the danged process! You know it's bad when you have to break out like every different process you have available in...

It's not a secret that the stock Yamaha Blaster head design is...... crap. There is a LOT of room for improvement and this thread will delve into some of the knowledge needed to improve (or at least, for those who don't have the capacity to cut one themselves), understand head parameters...

JonS has been "talking" about coming to Busco Beach for the BF/E2S meet now for two years. He lives maybe 1.5 hours away (one way) so a day trip at least isn't out of the question. For some reason or another, he always seems to have a reason not to come. Well no longer.... This time he has a...

Didn't want you to feel left out today so Happy Birthday to 98blaster+4! Hope you had/have a good day!

Well the National Field Archery Association held their annual meet this year in Mechanicsburg, PA. The points champion this year is none other than my next door neighbor, Brian Perry. He got a huge trophy and several sponsor shooting positions. He was already a shooter for PSA (that I know...

A fuel cell that mounts in the stock gas tank location. Holds about 1 gallon of fuel and will have a petcock attachment point on the bottom. .080 3003 aluminum sheet with .125 3003 aluminum sheet as the mounting brackets. In order to save weight and make it as strong as possible, the sides...

Best brings up a good point so lets go into this.... Blaster engines have 4 transfer ports, the two primary transfers are on the "front" of the engine closest to the exhaust port. They're aimed gently upwards and fairly smooth. The back two, secondary transfer ports, actually have a rather...

I'm building an airbox for a fellow member (and probably going to pop one out for myself too considering it's so darn purdy) Not quite finished (had a little failure this morning with my slip roll and took part of the day getting that hammered back out) but most of the way there! This is...

Pretty self explanatory I believe, I need some 4x115 hubs. Condition/appearance is unimportant as long as they will function. Stock studs preferable but I can deal if you've got a pair but some of the 8 studs is boogered.

SO we all have these recommendations about "squish" or "quench" areas but there seems to be quite a lot of speculation or guesstimation going on about what's the "right" amount and why. The rule of thumb is as follows: on a trail motor .050" between the piston crown and TDC and the surface of...

Hey Awk, do you remember this? Well.... as a matter of fact.... It's an Atlas 10-F H48 with babbitt spindle bearings but the 6:1 backgear option and power crossfeed. It needs some work to get it 100%...

I have a bunch of big plans for my yellow blaster as this summer wears on. I've already got a ridiculously built engine and some decent suspension but it's really time to kick it up a notch. Part of that plan is the experimental front suspension but really, there's more to it than that.... I...

As the title says, I need a voltage regulator. Preferably one off the operational quad that someone is parting out otherwise :p I already have one bad one.... I don't really need another

I've never really thought about it before so I don't have a real answer so I'll just throw it out there. How does a stock voltage regulator work and what is there in there to go bad? My understanding is that it's a dead short for all of the voltage over ~15VAC but I'm not an electrical...