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View Full Version : Air Scoops worth it?



jchevy
01-28-2003, 05:24 PM
Do the air scoops actually work at all on the 400ex? If you have them, would you buy them again?

northeast400
01-28-2003, 05:43 PM
I heard nothing but good about them. I just ordered a pair from Tinner , he is on this site

01-28-2003, 06:47 PM
i don't they they do much. they just look good. i have a set of tinners.

Quadfather
01-28-2003, 07:18 PM
When I put my hand by the motor, I can feel a lot more air being pushed over the motor, and that's when I'm only going 5-10 mph.

I have a hard time believing that they aren't helping keeping the motor a little cooler, at least.

Pappy
01-28-2003, 07:19 PM
Originally posted by Quadfather
When I put my hand by the motor, I can feel a lot more air being pushed over the motor, and that's when I'm only going 5-10 mph.

I have a hard time believing that they aren't helping keeping the motor a little cooler, at least.

yup;) i just ordered more tinners for both my 400

01-28-2003, 08:14 PM
:eek:

Quadracer5
01-28-2003, 08:20 PM
Very nice. I'll be getting some of those soon. By the looks of them, they should direct a lot more air to the motor, heck yea! :macho

optikid123
01-28-2003, 08:35 PM
when i put my hand down i can feel the air

TORO1968
01-28-2003, 10:28 PM
I recently purchased a pair of PRM air scoops, and I can tell you, they make a big difference in the air flow across the engine's cooling fins. I really like these scoops, the design is similar to OMF's, but they only cost about $40 or so. I highly recommend them...

-Jordan

Porkchop
01-28-2003, 10:42 PM
If they didnt work then why would they make them?


I've got a set of PRM's on order :macho

motoboy66
01-28-2003, 11:42 PM
I got the OMF when they first came out, $35.00 off E-bay. After I put them on I had to re-jet because of the cooler engine, cooler air is more dense, so you need a richer mixture. Also when my buddy had his headwork done, the engine shop recommended that he get them. I personally only bought them for looks but I would get them again. They also give you more room to put your sponsor stickers on, now only if I had some.

LapTraffic
01-29-2003, 05:04 AM
Pull em off and see how much your fan runs. That will give you an indication of whether they are useful or not.

RAPTORAZ
01-29-2003, 05:26 AM
Originally posted by LapTraffic
Pull em off and see how much your fan runs. That will give you an indication of whether they are useful or not.

400EX's don't have any cooling fans.

I have the PRM air scoops on mine. They look great, but I doubt they aid in cooling much. Unless you have race-cut fenders. The front fenders probably do just as good a job as the scoops at directing air to the motor.

wheeltrax
01-29-2003, 05:51 AM
I know when i drove one with the tinner air scoops i could feel alot more air passing by. If you look at how they aim the outside air towards the engine more. Its like if you take a 20oz soda bottle, cut off the bottom and blow in the big section, all the air comes out the side in the cap. the soda bottle angles the air towards the inlet and it all comes out in more force towards the motor.. Make sense? its early in the morning so it may not.

KAWSAM62
01-29-2003, 06:19 AM
you can deff feel more air going bye in the hottest part of summer!:D

LapTraffic
01-29-2003, 06:31 AM
Originally posted by RAPTORAZ
400EX's don't have any cooling fans.

D'oh!
I was thinking of my Dale, I take no responsibilty for that, it was 4am when I wrote it :)

oynot400
01-29-2003, 08:27 AM
Originally posted by motoboy66
After I put them on I had to re-jet because of the cooler engine, cooler air is more dense, so you need a richer mixture.
I never heard of anyone rejetting because they put on scoops. :confused:
Yes you may need to rejet for cooler temps but not because you installed scoops. ;)

jb400exxx
01-29-2003, 09:28 AM
yea rejetting for scoops makes no sense, it's not cooling the air your taking into the engine, just the air that's goin past the engine. and yes they deffinetly do help a lot, they redirect a lot more air towards the engine. here's a pic of mine. me and a friend made them for our 400ex's.

speedy400
01-29-2003, 04:44 PM
I'm definetly not an expert on 400's but wouldnt the scoops scoop more air towards the engine thus towards the air intake tube?And if it did you'd have to rejet. just my 2 cents

motoboy66
01-29-2003, 05:34 PM
It may have been more than just the scoops. I never did re-jet when I bought it, and it was rich then. I think that the scoops just put it over the top.

BigThumper33
01-29-2003, 06:00 PM
I like my tinners. I think the air intake tube sits above where the air scoops "scoop" the air and doubtfully will they add more air to your intake. If your quad was running rich when you got it....and air scoops gave your motor more air...then you would be running leaner than before....not richer.

I'd buy mine over again!

Just my 1.02

motoboy66
01-29-2003, 10:51 PM
Your right. It was not running rich like i said, it was lean. I had to richen the mixture up. Thanks for pointing out my typo.

mesz1
01-30-2003, 05:22 AM
Tinner's the only way to go!:macho

400exInMI
01-30-2003, 09:01 AM
i use a 20inch box fan, works great and hooks right up to the elctrical. JK....i have the PRM, cost me about $40....they work awesome....I highly recomend them....worth every penny....

frogburner
01-30-2003, 05:25 PM
I have the OMF scoops,,, I think they catch more air than the tinners and they look better too,, but ya,, in the woods,,, Mine will ping sometimes on 93 octane,, Thats only when the motor is pretty hot,,, But if you hit the road ,,, they do push lots of air across the motor,,, I have been running straight 117 Octane now,, and that thing is very snappy,,, but Cannot afford to keep running that so,, will probably do a mixture...Get the scoops..

2001 trx400ex
01-30-2003, 10:14 PM
I got SX Racing airscoops and i fond they helped my engine alot. They are made to fit stock plastic and are made out of fiber glass. you can call for information at 1 780 892-2498.

bmw500hp
01-31-2003, 04:09 AM
I dont' have air scoops yet... but tinners sounds like a good deal:)

You can buy "OMF" on EBAY but whoever has em wants twice as much as tinners and twice as much to mail them :confused:

It's also been mentioned that tinners is of better quality.

wheeltrax
01-31-2003, 05:12 AM
I say get tinners also

forum
01-31-2003, 05:56 AM
"is it worth it" is a realitive term. money means different things to different people. the product may work fairly well but costs an arm and a leg. see what im saying. i'd say do everything you can to try and cool done that 400ex considering they have over heating problems when heavy mods are done. and air scoops is a cheap alternative to other things. so yea to me they are worth it.

MillerTime
01-31-2003, 12:29 PM
any body have a picture of the tinners,
how are they mounted on, if they are mounted on by the plastic,
they wont work for me, my 400 has been through some wipe outs, and some how the little plastic mounts are gone.
any ways some one post a pic. of the three or four kinds that are out there.

01-31-2003, 12:33 PM
Here's a pic of tinners..they don't mount to the plastic..they mount to the frame and are very VERY sturdy...:D

PS..he doesn't ship them in the color that you see in the pic..:devil

MillerTime
01-31-2003, 12:40 PM
the Tinners: what's the price on them, and do they come in different colors.
notice your key location, you by a kit for that,
and how many keys have you broke off.

01-31-2003, 01:14 PM
I believe Tinners are around $40 or so...no kit for the key,,just drilled a hole there and relocated it since I don't have headlights no more and that's were the key mounts.... and I've never broken a key off..I try ta keep the rubber side down at all times..:D

MillerTime
01-31-2003, 01:24 PM
yeah, sometimes mine doesn't like to cooperate with me and decides to kick me off, so it can roll in the dirt.
thanks for the info.

optikid123
01-31-2003, 01:25 PM
rico dosent crash...ever

Rastus
01-31-2003, 01:54 PM
I paid around 35 bucks shipped for my tinners. That was before the .37$ postage.

2001 trx400ex
01-31-2003, 02:02 PM
those tinners are extremely ugly compared to SX Racing airscoops u can find information about there are scoops at http://www.MPHracingltd.com just email or call them and they can get you some sweet are scoops

01-31-2003, 02:16 PM
Originally posted by 2001 trx400ex
those tinners are extremely ugly compared to SX Racing airscoops u can find information about there are scoops at http://www.MPHracingltd.com just email or call them and they can get you some sweet are scoops

Sorry but I didn't find any of these high class scoops on that webpage..:rolleyes:

Fluid400
01-31-2003, 02:54 PM
plenty of forced air with the scoops......

tinner
01-31-2003, 03:57 PM
Scoops. All the manufacturers make them differently, so pay attention to what you are buying. One thing I have to say is Extremely Ugly..wtf??? What kind of thing is that to say opposed to a nice chunk of brittle fiberglass?? Okay, pay attention to the angle on the scoops...will they direct more air? They all will, but some are going to do it better than others. For the little that they cost it is definitely going to help when you are moving. They are not the same as a new oil tank, but will definitely help. For the people who asked how much, mine are $38.00 + shipping. Just drop me a line, and give me your zip code. Thankyou to everyone who has thrown in a good word.

Jim

honda400exrider
01-31-2003, 04:22 PM
when i put my hand down i can feel the air
HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA!! !!:devil :devil

2001 trx400ex
01-31-2003, 04:33 PM
you have to give MPHracing a call or email them and they should be able to help you with the air scoops. They look really sharpe.

2001 trx400ex
01-31-2003, 04:36 PM
The SX Racing air scoops are angled out. they are kinda like the omf ones. i had omf before but my bruther bought me some sx racing ones to use and it is not brittle fiber flass it is stronger then the alluminum and also it doesnt brake even if when it got hit reallly hard. They flexed and then went back into its normal spot. You would have to see the Sx Racing ones before you say somethin like that.

MillerTime
01-31-2003, 05:06 PM
Here is a MillerLite Quetion:

I'm aware that they direct airflow in the direction of the motor,
are they also shaped to direct air into the oil cooler.

2001 trx400ex
01-31-2003, 05:32 PM
i think there ment for the oil coller, cylinder head and the engine.

MillerTime
01-31-2003, 06:14 PM
hay tinner we should put our heads together and design some 2003 scoops for the exriders. all I need are some basic dimension.
or the location were you are mounting the scoop, I'll design one send you a print, and you can make one. will give them a new look. :D

2001 trx400ex
01-31-2003, 06:33 PM
did anyone call up MPHracing

400exredrider
02-01-2003, 02:21 PM
Hey if you guys want customized shrouds that are built nice and sturdy and shiny Tyylr@aol.com can customize them go to my site in links and on the 2nd page theres a pic of them he can etch almost anything into them names # Designs i once had leos permission to put exriders on them but not that its ben you might want to chack with him first!......just thought id tell you cause they look sweet ill try to attach the pic if i have time. next post maby! un fortunatly i forgot how to post a picture so you will just hafta go look:blah