Author Topic: 066 bench racing. trying to get large torque gain? (long).  (Read 1097 times)

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Offline mdavlee .

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    Howdy,
   Maybe a 066 cylinder with Quad Loop porting can get you there. Should be able to carve some wide intakes, and exhausts.
Regards
Gregg

I was wondering if these were going to be scrapped or not. You got any cylinders to demo and get the timing from?

Offline 1manband

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grande dog....  glad you are filling the need.

looks like:  exhaust and intake both low and wide.  nice.
                  exhaust roof lower on the quad.  (fixed the biggest issue the dual port had).  very nice.

should be a much better option.  curious on the timing as well.

regards
-joe


                 
hiatus

Offline Grande Dog

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     Howdy,
    These are in development now. The cylinder molds were completed as you can see by the photo. Now we're starting in on the pistons. With the cylinders, we had the outside molds but had to create new casting cones for the inside quad loop mold. The pistons are going to be a "from scratch" type of deal. With the solid piston we're designing, it should leave lots of room for port play.
   I know from being involved in these projects the biggest question is when. There is still a lot left to go on these before they're ready for prime time. If things go according to Hoyle, this cylinder will be our flagship into a line of exclusive aftermarket parts. Right now it looks like they'll be selling for about a buck and a half for cylinder kits.
   I'll try to keep everybody posted on the progress as it happens.

Regards
Gregg
Left Coast Supplies
1615B South Main Street
Willits CA 95490
888-995-7307   707-602-0141
www.leftcoastsupplies.com
gregg@leftcoastsupplies.com

Offline 1manband

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thanks for all the info gregg.  please do keep us posted.

regards
-joe

hiatus

Offline mdavlee .

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That's good to hear Gregg. I would like to try one out and see if it will make more power than the later KS cylinders on the 660 or even better if you copied the port heights from the non decomp or red light cylinders.

Offline srcarr52

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    Howdy,
   Maybe a 066 cylinder with Quad Loop porting can get you there. Should be able to carve some wide intakes, and exhausts.
Regards
Gregg

I don't like how small the primary transfer ports are and the angle of which the transfers enter the cylinder.  It's going to mess with the loop scavenging efficiency. 

Offline Grande Dog

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     Howdy,

   Thanks for the input. This is in the proto-type phase. I think I know how it's going to react when it actually gets strapped on to saw but, I don't know for sure. I'm going to be totally open for suggestions. I'm trying to develop products that deserve customers, and have those products stand on there own merit. It's basically the better mousetrap approach.
   In the current climate of product copying, the only thing that will separate you from the heard is innovation. Realistically, you only have about a 2-3 year run on a popular product before water gets cloudy with copies.  Copiers are going to copy. In recent years even the copiers are copying the other successful copiers.
   Time will tell.
Regards
Gregg
Left Coast Supplies
1615B South Main Street
Willits CA 95490
888-995-7307   707-602-0141
www.leftcoastsupplies.com
gregg@leftcoastsupplies.com

Offline 1manband

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hey gregg...... 

is this going to be 56 mm big bore?  forgot to ask.

to be clear, my previous comment was comparing the aftermarket dual trans big bore jug to the proto quad.

even though the blow down duration on the dual jug was only 25..... from what i found, the time-areas for blow down were out of proportion when comparing with the other ports.  because of the too high exh roof, the blow down area was very large.

low and wide trans maybe??

wishful thinking:  thick barrel flange and chamber;  thick intake floor and exh roof;  low and high comp piston options;  unfinished as cast exh and intake ports.

regards
-joe

edit: removed some tech drivel




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Offline Grande Dog

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     Howdy,

   Thanks for the input. It's going to be a standard bore.

Regards
Gregg
Left Coast Supplies
1615B South Main Street
Willits CA 95490
888-995-7307   707-602-0141
www.leftcoastsupplies.com
gregg@leftcoastsupplies.com

Offline 1manband

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gregg.......

usually seen in most other designs regarding quad transfer ports.  the main ports (closest to the exhaust), are the larger ones in the pair.  the secondaries (smaller in dimension) are closer to the intake and have less of an angle.
the prototypes are reversed.

looking at the exhaust roof closer.... maybe its the photo angle, but still looks high.  if its going to be that high, modders may like the trans roof higher, so something can be done with it.

someone here mentioned in another thread to hit Cntrl + at the same time on keyboard to enlarge photos.

take it with a grain of salt, no offense intended.

regards
-joe
hiatus

 

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