Date night

hydroguy2 · Post by **hydroguy2** » Wed Jan 13, 2010 8:55 am

ok technically it will be an short affair. Kris is off to college for a few days, so I figured today, I would start getting personal with the baffles. Now I don't condone cheating, but any tips out there to help this affair go smoothly.

it's a 3 way.......James cowl & plenum, Vans baffle kit and Me

Post by **bullojm1** » Wed Jan 13, 2010 9:10 am

Brian-

I suggest the following technique for battling this:

1) Read my website
2) Read my website
3) Read my website

I have the same combo and tried to document it thoroughly.

Generally, you will need to do the following:

1) Fit the baffles on the side and aft of the engine.
2) trim the top of the baffles roughly so the cowl will fit over them
3) Position the plenum on the baffles and use the top cowl to determine final plenum position.
4) Drill plenum to baffles. Get ready to make some custom glass for adapting the plenum to the top-front of the engine as well as the intake.

cjensen · Post by **cjensen** » Wed Jan 13, 2010 11:39 am

Jeez...no cheating, no smoking...what the heck man!?

*kidding*

Do what Mike says...that's what I did. His documentation became my basis for instruction on that part.

hydroguy2 · Post by **hydroguy2** » Wed Jan 13, 2010 12:42 pm

cjensen wrote:Jeez...no cheating, no smoking...what the heck man!? *kidding*....

quit drinking 16yrs ago also......yeah I'm a real party animal these days.

hydroguy2 · Post by **hydroguy2** » Wed Jan 13, 2010 8:02 pm

4 hrs to get here. The AL back pieces to some serious and annoying trim work. Then dropped the plenum in place, but see it's going to be fun.

After cutting a hole for the AFP purge valve, I got the fronts to line up close. Next need to figure out how low to set the back end for cowl clearnace.

hydroguy2 · Post by **hydroguy2** » Sat Jan 16, 2010 8:42 pm

After a couple days of doing real work, I got back in the shop tonight to work on the plenum/baffle. Multiple questions below......

I have the extended cowl and the distance from the inlet rings to the plenum is almost 3". Seems like a long way for the neoprene seal material. Anyone want to recommend a gap I should shoot for? I thinking I'll glass on some extensions to close the gap to 1/2".

How much clearance should I have between the top of the plenum and the inside surface of the cowl?

Is it best to get the plenum as low over the back cylinders or as high as possible?

cjensen · Post by **cjensen** » Sat Jan 16, 2010 10:01 pm

I have about 3/4"-1" between the inlet rings and plenum.

I think the "manual" mentions a half inch clearance between the top of the plenum and the cowl. That's what I have at the closest point.

I have my plenum sitting right down on all four cylinders...that sets the height at the rear of the plenum...at least on mine.

hydroguy2 · Post by **hydroguy2** » Sat Jan 16, 2010 10:46 pm

Thanks Chad, that sounds easier than trying to keep it high, but away from the cowl.

I bought both my plenum and cowl on the blackmarket and didn't get any manual or instructions with either.

cjensen · Post by **cjensen** » Sat Jan 16, 2010 11:04 pm

Got mine at the same market, but I did get instructions (I think)...want me to send em to ya?

hydroguy2 · Post by **hydroguy2** » Sat Jan 16, 2010 11:16 pm

Naa, I'll wing it. Gives me a reason to ask you questions. Plus if it looks like most of the instructions I've seen (like Vettermans), they look like a chicken scratched them out. If you see any thing important in them let me know.

I just went to your build log and got most of the details I need. Thanks

cjensen · Post by **cjensen** » Sun Jan 17, 2010 10:50 am

Hehe...yeah, chicken scratches is about right. Let me know if you need anything from them though...

hydroguy2 · Post by **hydroguy2** » Tue Jan 19, 2010 8:57 pm

Hey Chad, I recall you said the plenum has it's own set of issues. I will say that is the understatement of the year. At first glance, I thought this should go pretty quick. Well today I sliced and diced my James plenum. Hopefully, I'll get it glassed back together this weekend.

But on the upside. UPS delivered my Dynon180 today

cjensen · Post by **cjensen** » Wed Jan 20, 2010 10:22 am

Wow...you have a few more slices and dices than I had. Issues...yeah, to put it lightly!

hydroguy2 · Post by **hydroguy2** » Wed Jan 20, 2010 10:48 am

cjensen wrote:Wow...you have a few more slices and dices than I had. Issues...yeah, to put it lightly!

I tried for 2 days to massage it into place I liked, but could get the inlets to work at the same time as the oil cooler. throw in the purge valve and prop gov line...

I finally just grabbed the diamond saw and started putting pieces where I want them. One thing this will allow is I'll be able to mount the oil cooler about 1" higher to expose more above the cylinder. With my long cowl, I'll have to add extensions on the front of the plenum also. My goal to finish the cowl /plenum in January might have to slip a week.

hydroguy2 · Post by **hydroguy2** » Wed Jan 20, 2010 10:16 pm

Applied 3 layers of glass to the aft end and oil cooler ramp.

Hardest part of this will be keeping the shop warm all night. Got the wood stove stoked and it's 80*F out there right now. toss a couple logs in at midnight should do it.

hydroguy2 · Post by **hydroguy2** » Sat Jan 23, 2010 4:26 pm

What does a guy do after work, when it's snowing and blowing outside?

You fit the inlet rings and then stand your cowl nose first on a piece of wax butcher paper.

That doesn't take long and the shop is already warm, so may as well mix up so epoxy and pour it in.

Now I can only hope they will come apart tomorrow. Still got time to measure for hoses or throttle cables.