Author Topic: i must say, i like this AAEN pipe!!! (Read 3038 times)

Zilla273 · « **Reply #25 on:** June 03, 2013, 07:18:29 pm »

the aaen pipe is vary good on top, i had issues getting mine to fit correctly, but other then that its a good pipe. I thought mine worked well with the stock ports after i got my mine ported it was vary high strung. but mine was also ported for x19

Dragzilla346 · « **Reply #26 on:** June 03, 2013, 07:29:36 pm »

Quote from: Cunningham_821 on June 02, 2013, 08:06:51 pm

I see alot of lbs to be lost on that bike to go with the better pipe. i sent you a message a while back drag did you get my #?

i just seen that i got that message with your number lol, ill text ya about what i can do to 'er

Dragzilla346 · « **Reply #27 on:** June 03, 2013, 07:32:30 pm »

Quote from: WestTexasKing on June 02, 2013, 08:16:27 pm

They may have hammered the welds a bit, but it still looks like there's a lot of hard angles for the first 3 or 4 bends.
Are you by chance running lean?
Your header pipe looks really blue...

did a plug chop, was a light brown color, may up the jet one size or so and see how that goes. may buy some vf2's this friday if i can afford it

BadMoonRacing500 · « **Reply #28 on:** June 03, 2013, 11:02:56 pm »

Link to a bunch of good pics of Cunninghams #820, It is a zilla drag diet

http://www.suzukiquadracerhq.com/racing-builds/

Rainman56 · « **Reply #29 on:** August 12, 2013, 09:11:11 am »

Just checking if any updates on improvement in his 300 times?

Dragzilla346 · « **Reply #30 on:** August 17, 2013, 06:30:56 pm »

yes it did improve my 300ft times, went from running consistent 5.3 to 5.2 to consistent 5.0's, best last year was a 5.1 one time and never repeated it, this year its been 5.04, 5.04, 5.06, 5.04, 5.07. definitely pulls through the traps harder and keeps pulling. i think with some gearing changes and some tweaking i can break into the 4s for the next race, but we shall see

Dezsled · « **Reply #31 on:** August 17, 2013, 06:36:44 pm »

You mentioned a HPR 19 pipe and the Aaen, which do you prefer?

Rainman56 · « **Reply #32 on:** August 17, 2013, 10:21:40 pm »

Quote from: Dragzilla346 on August 17, 2013, 06:30:56 pm

yes it did improve my 300ft times, went from running consistent 5.3 to 5.2 to consistent 5.0's, best last year was a 5.1 one time and never repeated it, this year its been 5.04, 5.04, 5.06, 5.04, 5.07. definitely pulls through the traps harder and keeps pulling. i think with some gearing changes and some tweaking i can break into the 4s for the next race, but we shall see

Nice.

Buckeye513 · « **Reply #33 on:** August 18, 2013, 07:11:04 am »

You running at dirt country on the 24th Drag?

Dragzilla346 · « **Reply #34 on:** August 18, 2013, 05:36:25 pm »

yes i will be there

Cunningham_821 · « **Reply #35 on:** August 18, 2013, 07:31:59 pm »

Any info on these races?? locations etc. i wouldnt mind making a trip to ohio and meet a few of you guys.

Dragzilla346 · « **Reply #36 on:** August 18, 2013, 07:47:20 pm »

http://www.dirtcountrymx.com/home/event/23 here is a link to the place we been racing at, their site has an address and rules plus info on the races there, theres a few left this year.

Buckeye513 · « **Reply #37 on:** August 18, 2013, 08:05:12 pm »

Yeah motoman might be to a couple of the last few races too but his transmission is in need of work or replacement so likely won't be on his hybrid. I might make it to this weeks race but the September race is probably a little more realistic but my sights are on the 24th provided I can get my on call shift covered for work.

PCS · « **Reply #38 on:** August 19, 2013, 01:03:42 am »

slightly off course and ive asked this before, do any of think their is any performance to be gained by redesigning the muffler portion and going to a center style mount? ive seen lots of trx guys run a center mount style rear muffler portion that slightly shortens the total length and has a straighter shoot out vs bending the pipe to go around the frame to clear the factory air box. most high hp builds do not run an air box so why design a pipe to clear a part that isnt used??? on the pic from the first posts, looks like their are unnecessary bends to clear an air box that isnt there.

Happy4444 · « **Reply #39 on:** September 18, 2013, 08:44:23 am »

looks good, does AAEN make a different end cap for the silencer at all? i rather it be flat then have that reduced end stick out

MotorGeek - Jerry Hall · « **Reply #40 on:** September 18, 2013, 04:13:56 pm »

Quote from: PCS on August 19, 2013, 01:03:42 am

slightly off course and ive asked this before, do any of think their is any performance to be gained by redesigning the muffler portion and going to a center style mount? ive seen lots of trx guys run a center mount style rear muffler portion that slightly shortens the total length and has a straighter shoot out vs bending the pipe to go around the frame to clear the factory air box. most high hp builds do not run an air box so why design a pipe to clear a part that isnt used??? on the pic from the first posts, looks like their are unnecessary bends to clear an air box that isnt there.

The center mount pipes that ESR makes reduces the back pressure a little on the TRX5, TRX9 and TRX11 pipes. The tubing bender that ESR uses to make their out of frame silencers and stingers crushes the bends about .100". The extra bends in the stinger and the crushed bends limits you to about 50 hp before you start to have piston overheating on the above mentioned out of frame pipes.

The center mount pipes allow one to make a little more power power before running into the same problem. When you try to push over 55 hp of exhaust through the center mount exhaust on the big bore engines (310s, 330s, 350s, 370s,) we are still seeing piston overheating due to to much back pressure. Pipe restriction is a function of HP.

We have solved the piston overheating problem on the ESR pipes by making larger stingers and silencers for engines over 55hp

Gillio · « **Reply #41 on:** September 18, 2013, 04:39:27 pm »

Jerry- How much bigger diameter pipe do you need as you go up in HP? Is there a general rule of thumb

All American · « **Reply #42 on:** October 08, 2013, 10:52:15 pm »

I don't have any experience with the 500, I was just curious how much HP these motors can get up to?

MotorGeek - Jerry Hall · « **Reply #43 on:** October 11, 2013, 08:30:04 pm »

Quote from: Gillio on September 18, 2013, 04:39:27 pm

Jerry- How much bigger diameter pipe do you need as you go up in HP? Is there a general rule of thumb

It is more complicated than how much diameter do you need for a certain amount of HP. The number of bends, the quality of the bends, the length of the stinger, mid-pipe and silencer, and the hole size and spacing of the holes in the silencer core all affect the flow rate of the exhaust gas as it leaves the pipe. Every engine design has it its own expectations as far as optimum exhaust pipe restriction. Dyno testing and experimentation is the rule of thumb I use.

MotorGeek - Jerry Hall · « **Reply #44 on:** October 11, 2013, 08:35:00 pm »

Quote from: All American on October 08, 2013, 10:52:15 pm

I don't have any experience with the 500, I was just curious how much HP these motors can get up to?

How much power these engines can get up to depends upon how much time and money is spent developing the engine. At this current time my best efforts on the drag LT 500s can make a little over 90 HP on gasoline and a little over 100 hp on methanol.

Bigtq540 · « **Reply #45 on:** October 11, 2013, 09:12:08 pm »

thats right and when your the lightest quad out there it makes a bike diff on the jumps and how u land it u dont get that much feed back on your knees or arms . its all good

All American · « **Reply #46 on:** October 12, 2013, 11:20:38 am »

What kind of hp can you squeeze out of a 250?

MotorGeek - Jerry Hall · « **Reply #47 on:** October 12, 2013, 01:15:04 pm »

Quote from: All American on October 12, 2013, 11:20:38 am

What kind of hp can you squeeze out of a 250?

I do not know how much I can get out of the LT 250 Suzuki, but we are getting ready to re-start testing and development on the 87-92 engine and find out. We had to pull the plug on our LT 250 development in 1988 because we (and everybody else) could get a lot more power from the ATC/TRX 250R Honda engines. I do not think there is as much potential in the 87 to 92 LT 250s as the Honda TRX engines.

At the time we pulled the plug on LT250 development, we were getting around 45 HP on the LT 250 and 50 HP to 55 HP on the ATC/TRX 250 Hondas. I think the rules allowed 1.0mm over bore on the race engines. Those power numbers do not sound like much by todays standards but these engines that we ran on the national circuits had to be 250s. The displacement was not 265 295, 310, 330, and up like the large number of 250 based recreational engines being built nowadays.

After dynoing their TRX 250R Honda, I see too many disappointed faces of owners that just installed one of the new big bore cylinder and pipe kits from "The Walmart of the Honda ATV Industry". It is sad to see that the majority of the new engine builders do not have the necessary understanding of how two-stroke engines and exhaust systems work and have to resort to adding a lot more displacement (big bores and stroker cranks) to be able to add more power to a customer’s engine.

The CR 250 Honda shifter kart, micro sprint, micro midget engines that we built in the mid 1990s were in the 64 HP to 67 HP range on gas and the methanol CR 250s were 70 HP to 72 HP. No over bores were allowed on the shifter kart engines and had to have a displacement of less than 250cc

El Diablo · « **Reply #48 on:** October 12, 2013, 03:16:09 pm »

Quote from: MotorGeek on October 12, 2013, 01:15:04 pm

Quote from: All American on October 12, 2013, 11:20:38 am
What kind of hp can you squeeze out of a 250?

I do not know how much I can get out of the LT 250 Suzuki, but we are getting ready to re-start testing and development on the 87-92 engine and find out.

And this is what I like to hear

Rider414 · « **Reply #49 on:** October 13, 2013, 05:09:49 pm »

Jerry I think it would be awesome to put some time into the LT250. There are a ton of them still out there that quadracer fans want.

A 50 HP 250 would be awesome. It would be right there with the new 450's but smell better.

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Author Topic: i must say, i like this AAEN pipe!!! (Read 3038 times)

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