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Topics - blue demon

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1
Briggs OHV & Vanguard / welding on a block
« on: April 19, 2012, 10:14:27 pm »
I have a 16 hp vanny horiz...I want to remove the stock pvc breather assembly and weld a plate in it's place with a pipe fitting ( for venting the crank case)
   I also wanted do put vents tubes in the valve covers ,not sure  about that one yet.  I also heard someone say somthing about venting the block to the exhuast pipes as a way to help venting at higher rpm's....

   Anyway my concern is that I would be welding realy close to the lifter bores.

2
Briggs OHV & Vanguard / mikuni cab
« on: December 29, 2011, 01:27:43 am »
Iam trying out a miknui carb , a tm2855 (2 stk 80 suzzki)28mm . it has a main jet ot 180 , my motor is a 30ci vanguard w/ a rev kit and a billit flywheel . it cuts out from 1/3rd full throtle . the honda dealer told me that a 180 jet is realy small even for what the carb was meant for .
 
     So my question is for anyone who is running this type carb what is a good jet size to start with? I have jets from 110-280 so i should be ok ....
also I was givin some other jet lookin things just a little longer with a few holes in them , I have no idea what they are for yet but i have 20-62 in sizes.

thanks

3
Coffee Shop / plasma cutting tables
« on: October 17, 2011, 11:50:49 pm »
I've just picked up on a miller cutmate plasma cutter and saw some cutting tables on the the intranet.
    The tables are pretty pricey , has anyone here built the home made verisons? I will be looking more into it just thought Id ask so I could get some insight..

4
Driveline / 700 with bearings
« on: October 16, 2011, 03:29:14 am »
I had a 700 case awhile back that had roller bearings on the output shaft. I haven't seen one since and it was missing the id tag so I have no info to go off of.
   It seems like that case would work out well, any ideas ?

5
Briggs OHV & Vanguard / intek head swap
« on: July 11, 2011, 11:16:59 am »
I was asked if heads from a 20hp intek would fit on a 24hp intek..
   I would think the 24hp would have larger valves or something , what do you guys think?


6
Driveline / norma star clutch
« on: June 14, 2011, 02:35:52 am »
I got a norma star clutch from HEETERS.COM and they show/have no other springs except the one that comes with it (2500).
   I think thats a little high for me at this time, can I use springs from a mini cup?.
1.stock cam
2.17t motor ,58t jack in, 18t jack out, 44t drive, 15x8x8 rear tires.....
3.16hp vanny , arc flywheel, rev kit , lmt 56..just to add some info...

From what Ive read on their web site is the part #s for the springs are the same from the enforcer , star , and the mini cup but the engagement is diffrent . Is that due to diffrent wieght of the shoes and or inner dia of the drum...??

7
Briggs OHV & Vanguard / 16 hp vanny crank types?
« on: June 03, 2011, 02:07:17 am »
I have a 16 hp vanguard horazontal m#303447 t#1131-31 c#06032911.
I had cut my old crank to fit a clutch then chaned to a new clutch and then needed what I had cut off (live and learn).
  My old crank had a deep grove cut into it for oiling on the fly wheel side, I found another crank for the same motor but it has no grove.
          I know there is a new and old style crank , but when I look at the bearing in the side cover it has a grove in it for oiling also,
So my questions are .

1.could I have a side cover for the smooth style and just didnt know untill now
2.would the grove in the bearing be enough to oil the smooth stlye crank.
3.could the smooth style crank have the grove machined into it
4.if all all above fails , anyone got a GOOD used crank....

     The motor was put together with parts from mulitable motors thats why iam unsure of the side cover bearing grove thing.
I realy need to fix this fast , everything is done and ready to go but for the finale assemble of the motor and I have to be at a pr thing on the 25th of june , so Iam getting
   a little antsy .....thanks guys for any input..wes

8
Chassis / battery placement..
« on: April 29, 2011, 12:36:02 am »
I've put together a modified twin (horazontal) mower almost just like rceagle1a build but I run a jack shaft.
     I do not have any real space to place the battery or gas tank that I feel is safe or ok .I was thinking of running the battery on the left hand side just infront of the l/r tire , I haven't come across anyone needing to do this so I thought I would ask what you guys think of it.
            That would fee up the space under/foreward of the seat and just behind the jackshaft to run the gas tank...

9
Briggs OHV & Vanguard / remote oil filter
« on: April 10, 2011, 11:38:09 am »
I was givin 2 16 hp verttical vanguards ,1 is older and 1 is newer. The newer 1 has a oil filter reloction adapter w/ steel braided line about 14" long.
   I was thinking of useing it so changing the filter would be a little easyer but I havn't heard anything about them on here.

And just to be clear a 30ci vertical vanny crank can not be used in a 30ci horizontal vanny...

10
Briggs OHV & Vanguard / 16 hp vanguard carb mod's
« on: April 02, 2011, 11:02:10 pm »
I have a 16 hp vanguard horazontal #404337 signal carb.
I was thinking of honing out the center of the carb so it has a straight smooth flow, Iam not sure if this would help or make problems .
        The brass tube that the gas comes out of would need to be changed, the jet drilled out a little bigger and made adjustable, not sure about the low side jet.
        The motor is not supper built , just open exhuast,billit flywheel and no governer.I will be adding a cam next year . Again this is just somthing Iam thinking about and thought I would ask everyone what they think about the Idea....

11
Driveline / jack shaft gearing & ratio
« on: February 25, 2011, 03:48:20 pm »
Ive been going over some gear ratio's and can't seem to decide on witch would be the best one to start off with.
I have a star clutch w/17 t 15x8x8 rear tires ,16 hp vanguard.
   35#       35#     40#      40#
1. m/17   in/34   out/15  axle/52  = 6.93;1
2. m/17   in/34   out/15  axle/60  = 8.00;1
3. m/17   in/32   out/13  axle/48  = 6.95;1
4. m/17   in/34   out/17  axle/60  = 7.06;1
I was using the chart on ec's web site to get all of these figures but what Iam worried about is the the rpm's it listed for the jackshaft at the bottom of the page.
     The jack shaft is a soild 1" axle...

I've read some posts about over/under driving the jack shaft and wounder if any of these ratio's will cause any issue ....any input would be great.......

12
Briggs OHV & Vanguard / 16 hp vanny, crank length(horizontal)
« on: February 21, 2011, 11:43:02 am »
I have a enforcer clutch from heeters that mounts on the motor with the sproket outbourd.
    My issue is the crank is snot is about 3" or so and the depth of the clutch is 1 1/2 ,I think that puts the clutch way too far out to th left.
   My concern is that it will vibrate or possobly bend /brake the crank in the long run,Can I cut 3/4" of of the crank to help pull it in a bit or should I find a shorter crank and or go with a differnt clucth?

13
Chassis / frame stiffing
« on: February 10, 2011, 01:35:01 am »
I have read a few posts on builds but no one has said what wall thickness that they were useing .
       I have used 3/4 sq. .120 wall for most of my builds , but is .060 wall too thin in a 1 sq, for more than just reinforcing?

14
Other Engines / honda 18 hp verital/horazontal
« on: January 23, 2011, 06:17:59 pm »
gxv610 18 hp honda., I was looking at the block and it seems I can bolt it down as a horazontal . It looks like I would have to change the sump pan and intake seystems but is that all? Im not sure but it looks like the block would be the same and rotating assembly would be the same .
  I got the motor for free so if I can convert it to horazontal that would be better in the long run for me.

15
Kohler Engines / koler 18 hp
« on: January 23, 2011, 06:11:17 pm »
I ran across a 20 hp model# ch20s ,spec #64660, ser#3223905471.
  this is a horazontal motor but the drive pully is on the fly wheel side . I just havent seen that before and iam unsure if i can use it for racing
It is a command series ....thanks wes

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