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[Mastermind]

Ok I'm stupid...would you mind explaining to a slowpoke such as myself how intake height would affect compression. I wish there was a head scratcher emotion-o-con.

To gain more compression I would have to cut more from the squish band.......and then the base. That would lower the floor of the intake.....and give me more intake duration. Clear as mud?

 

[Ron660]

OK, so the plan is to test run the saw using an external fuel supply. No oil or fuel will be put in this saw until the new owner fuels it up the first time.

It will be a new unfueled Mastermind ported saw.

What was WOT rpms? I know it will vary with different ambient conditions.

 

[big t double]

To gain more compression I would have to cut more from the squish band.......and then the base. That would lower the floor of the intake.....and give me more intake duration. Clear as mud?

Hahaha Yup!!! Thanks.

 

[Mastermind]

I've not started it yet. We'll let the new owner decide how to do it.

 

[Ron660]

I've not started it yet. We'll let the new owner decide how to do it.[/QUOT
Have you put a tach on any other 661 and checked WOT rpms?

 

[Mastermind]

No.......the M-T saws are rev limited.......and they act weird on my tach. I just let the 'puter drive.

 

[Adirondackstihl]

17.4k

 

[Mastermind]

Have you been drankin?

 

[Adirondackstihl]

Have you been drankin?

No sir.
Not a drop.
Just feelin frisky

 

[Mastermind]

Me either........not for about ten years now.

I feel frisky everyday.

 

[166]

How about this 661?

 

[Duane(Pa)]

Me either........not for about ten years now.

I feel frisky everyday.

A frisky chimp with extra bananas and a few beef on the side........ Life IS good

 

[Ron660]

How about this 661?

View attachment 375647

Looks like the evil twin brother.

 

[Adirondackstihl]

My carbon fiber concept

 

[RiverRat2]

My carbon fiber concept

Sweet,,, that looks like a o46/460 mix

Hey While Randall is burning the midnight oil..... I have a Halloween Joke,,,

Do you'all know why Witches can't have babies????

 

[Mastermind]

I'm done Rick.

I got my port heights all set up for the four saws I have on the bench. I'll start grinding in the morning with a hot cup of coffee.

 

[mvb1130]

What are they asying about it?

Philbert

Well it is supposed to be lighter than a 660 & use less fuel also it is less cc's but more horsepower. Sounds awesome.

 

[Highdesignfool]

I'm in on that raffle. Let us know

 

[Mastermind]

Sweet,,, that looks like a o46/460 mix

Hey While Randall is burning the midnight oil..... I have a Halloween Joke,,,

Do you'all know why Witches can't have babies????

Because her husband has crystal balls????

 

[Adirondackstihl]

Pics?