3rd Generation Specific (1993-2002) 1993-2002 Discussion including performance modifications and Technical Support Sections.
Sponsored by:

aftermarket underbody tray

Thread Tools
 
Search this Thread
 
Old 02-03-05, 11:48 PM
  #1  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
aftermarket underbody tray

I was wondering if anyone made a aftermarket under body tray? Seems like people are always looking for them in the classifieds...

it wouldn't be hard to mold a nice carbon/kevlar one based on the stock piece...that would be durable.

a good composite mfg could produce them probably for 200 bucks for a 4-6 layer one...ie...you'd have to hit a curb at 60 to rip it.

I've seen "fragile" ones made out of carbon that weren't like "tough" stock replacements....

Just curious...

I'm always looking for ways to make this car more "reliable"

john
Old 02-04-05, 12:01 AM
  #2  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
John

It's already in the works... https://www.rx7club.com/3rd-generation-specific-1993-2002-16/interest-custom-radiator-ducting-undertray-front-splitter-combo-333609/
Old 02-04-05, 12:24 AM
  #3  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
guess I was thinking of a more "stealth" tray than that...

those are AWESOME for the race track...but if i'm drivin to work every day...I don't want to worry about hitting a curb and shattering my tray.

having that "sharp" leading edge is killer for performance...but really vulnerable from a composite part perspective.

I guess I was thinking of something that looked EXACTLY like the stock tray...but didn't break...

cause a new stock tray is what...120-150 bucks?

oh yah...and by far and away the cheapest carbon i've seen...

http://www.shopmaninc.com/carbonpage.html

I have ordered from them and the quality and service was great.

john

Last edited by teeter; 02-04-05 at 12:28 AM.
Old 02-04-05, 12:40 AM
  #4  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
John, from my experience, the stock tray is pretty much as durable as it gets. I've beaten that thing so badly, and it just keeps on takin it. It's made of a very tough/durable plastic like material that takes one hell of beating. It's totally understandable that they'd start to fall apart after 12 years if you ask me. So if that's what you're looking for, I'd stick w/ the stocker.

If you wanna get a good price, check on the forum's 3rd gen classifieds section, they pop up every now and then. Also try PMing Benjamin and Fritz Flynn. They have a gazillion stock parts. Lastly, try calling Ray Crowe at Malloy Mazda for the absolute cheapest price you'll get (new). 1-888-533-3400

~Ramy
Old 02-04-05, 12:59 AM
  #5  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
Talking

I'm not in the market...I was just wondering if anyone ever did capatilize on the market.

I race rally cars. I've bent 1/4 6061 t6 aluminum in a right angle from hitting a rock the size of your head at 70 mph

the underside of rally cars has best been described to me as...imagine a fire hose squirting water...now replace the water with gravel....thats what the bottom of your car is dealing with. and I believe it....seeing what its done to my skid plate...an my 1/8th inch steel "re-inforcements"...that reformed themselves in a weekend

I have built carbon kevlar under body protection for my rally car...and am in the process of building myself a skid plate to replace the "fragile" aluminum. I'm joking about the aluminum. to get the skid plate to flatten out...I had to run over it...multiple times...with my 9000 lb box van.

the plastic the stock tray is made out of is great for a car that isn't lowered...and isn't 12 years old... but if yours is tired...or your car is lowered so you're constantly hitting crap...i'm suprised someone hasn't produced a beefy replacement. beefy meaning tough...not heavy.

john
Old 02-04-05, 11:03 AM
  #6  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
John,

I'm w/ you, but I don't think anyone on the forum (at least not that I know of) rally races their FD, so the tray doesn't get destroyed as quickly and badly as yours would.

Only two companies (that I know of) bothered to make an undertray, both priced too high to make them worthwhile...

C-West:



And Mazdaspeed:

Old 02-04-05, 11:57 AM
  #7  
Rotary Enthusiast

 
kuroi FD's Avatar
 
Join Date: Jan 2005
Location: orlando/st. petersburg
Posts: 769
Likes: 0
Received 0 Likes on 0 Posts
the mazdaspeed one is $$$$
Old 02-04-05, 12:33 PM
  #8  
airplane apex seals

 
seanfd3s's Avatar
 
Join Date: Mar 2004
Location: either sunnyvale or san jose
Posts: 552
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by FDNewbie
John,

I'm w/ you, but I don't think anyone on the forum (at least not that I know of) rally races their FD, so the tray doesn't get destroyed as quickly and badly as yours would.
lol that would be awsome, ive seen rally t2
Old 02-04-05, 02:31 PM
  #9  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
I don't rally a FD...I rally a galant VR4.

I don't think a FD would do so well rallying....the rear suspension would get torn up REALLY fast with all the rocks.

John
Old 02-04-05, 05:23 PM
  #10  
FEARED

 
Black97VR4's Avatar
 
Join Date: Mar 2003
Location: Winchester, VA
Posts: 688
Likes: 0
Received 0 Likes on 0 Posts
My PFS bumper has one about as big as the CWest tray. My car is low and it does get dinged up quite a bit.
Old 02-04-05, 09:37 PM
  #11  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
oh yah

http://www.acp-composites.com/ACP-CAT.HTM

composite laminates...for those wanting to match their own custom nose covers

john
Old 02-04-05, 10:43 PM
  #12  
I can haz rotary?

iTrader: (1)
 
Jesuscookies's Avatar
 
Join Date: Oct 2002
Location: Southern California
Posts: 3,793
Likes: 0
Received 1 Like on 1 Post
I am currently in the market for a replacement under belly. I have the cwest front end on mine, and would be happy with any type of replacment.

You wanna make me one?

P.S. I like the cwest one, but I have not been able to find it. Have not really looked that hard either, as I imagine it is waaaay too much.




Originally Posted by FDNewbie
John,

I'm w/ you, but I don't think anyone on the forum (at least not that I know of) rally races their FD, so the tray doesn't get destroyed as quickly and badly as yours would.

Only two companies (that I know of) bothered to make an undertray, both priced too high to make them worthwhile...

C-West:



And Mazdaspeed:

Old 02-05-05, 12:40 AM
  #13  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
Originally Posted by teeter
I don't rally a FD...I rally a galant VR4.

I don't think a FD would do so well rallying....the rear suspension would get torn up REALLY fast with all the rocks.

John
John, I understood that you don't rally an FD. But I was saying the wear and tear you experience in rallying, which requires such a sturdy undertray is very diff from the wear and tear we get from just driving and tracking our cars. That's prob why offering an aftermarket undertray hasn't really been explored too much.

Speaking of which...a Galant VR4? What's that? I know what the Galant is, and I know what a 3000 GT VR4 is. Is this some rally type AWD Galant?

Originally Posted by Jesuscookies
I am currently in the market for a replacement under belly. I have the cwest front end on mine, and would be happy with any type of replacment.

You wanna make me one?
I dunno if you saw the thread I posted in my first reply, but Damian's currently in the process of making custom undertrays. They'll be compatible w/ the stock front end, 99spec, Mazdaspeed, and C-west front bumpers.

P.S. I like the cwest one, but I have not been able to find it. Have not really looked that hard either, as I imagine it is waaaay too much.
It's $697, to be exact. I'd NEVER pay that much for an undertray...
Old 02-05-05, 12:54 AM
  #14  
Senior Member

Thread Starter
 
teeter's Avatar
 
Join Date: Oct 2003
Location: Northwest
Posts: 359
Likes: 0
Received 0 Likes on 0 Posts
a galant vr4 is like an "evo 0"

basically a 1g AWD dsm with 4 doors....and a "good" wheel base. not too long.

Galant VR4s were the WRC rally cars to beat in 89-91

http://www.rallybc.com/photos/2001/w...ldwest0745.jpg

thats one of my fav pics on the web.

I haven't raced since

http://www.roadraceengineering.com/r...er/treeter.jpg

bad enough they mentioned it in SCC

we were fine...but...umm...need a new car. That one had already had the roof replaced.

there are more pics of the rally car and carbon parts in that folder.

Back on topic.

lets say I could produce a composite Fd3s front belly tray that fit stock "rear" mounting points and fit the stock "plane" for the front mounting points...that you could drill for whatever nose you have?

say...for 300 bucks??

I am just thinking out loud

john

Last edited by teeter; 02-05-05 at 01:00 AM.
Old 02-05-05, 11:24 AM
  #15  
I can haz rotary?

iTrader: (1)
 
Jesuscookies's Avatar
 
Join Date: Oct 2002
Location: Southern California
Posts: 3,793
Likes: 0
Received 1 Like on 1 Post
Originally Posted by FDNewbie
I dunno if you saw the thread I posted in my first reply, but Damian's currently in the process of making custom undertrays. They'll be compatible w/ the stock front end, 99spec, Mazdaspeed, and C-west front bumpers.

It's $697, to be exact. I'd NEVER pay that much for an undertray...
Damn I'm lazy. Thanks for pointing that link out again. I went back and read it. Hopefully, Damian will have something put together soon.
Old 02-05-05, 11:30 AM
  #16  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
NP. I'm waitin for the undertray for a C-west front too
Old 02-05-05, 12:05 PM
  #17  
I can haz rotary?

iTrader: (1)
 
Jesuscookies's Avatar
 
Join Date: Oct 2002
Location: Southern California
Posts: 3,793
Likes: 0
Received 1 Like on 1 Post
Originally Posted by FDNewbie
NP. I'm waitin for the undertray for a C-west front too
I have about 1/3 of my tray still hanging on my car. You want that one?
Old 02-05-05, 12:16 PM
  #18  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
Originally Posted by Jesuscookies
I have about 1/3 of my tray still hanging on my car. You want that one?
LOL I actually have about 1/2 of a tray still hanging on my car. Only part that survived lol
Old 02-05-05, 12:36 PM
  #19  
Do It! Do It!

 
jsplit's Avatar
 
Join Date: Mar 2004
Location: Crofton, MD
Posts: 1,994
Likes: 0
Received 0 Likes on 0 Posts
I made an aluminum undertray for my stock bumper.
It was pretty painless all things considered.
Old 02-05-05, 12:56 PM
  #20  
Sponsor
RX7Club Vendor
iTrader: (10)
 
FDNewbie's Avatar
 
Join Date: Jul 2003
Location: Tampa, FL
Posts: 13,216
Likes: 0
Received 4 Likes on 4 Posts
Jon,

I'd love to check it out sometime. Oh, and Damian's actually in the process of making a full car length undertray, so the front undertray would extend beyond the oil pan, allowing air to flow around the pan before exiting, thus cooling the oil. And because it goes that far back, it has a hole for the oil pan plug and duez fastners to quickly release the tray. That peice is gonna also hook up w/ a middle undertray w/ loading channels, so it runs into a rear diffuser. Basically, we're trying to seal the underside of the car.
Old 02-05-05, 01:09 PM
  #21  
Do It! Do It!

 
jsplit's Avatar
 
Join Date: Mar 2004
Location: Crofton, MD
Posts: 1,994
Likes: 0
Received 0 Likes on 0 Posts
Yeah you can definitely check it out whenever. The one on my car was the prototype. I've since made 2 others for the stock bumper that turned out much better due to a trial and error deal ;p

I could make a full version like the CWest and Mazdaspeed, I'd just need a car to measure for the different front bumpers. About the only thing I didn't do were drain plugs for the radiator or oil, but that is pretty simple IMO as well.
Old 02-05-05, 04:38 PM
  #22  
Senior Member

 
Join Date: Jun 2003
Location: Minden, NV
Posts: 494
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by jsplit
I made an aluminum undertray for my stock bumper.
It was pretty painless all things considered.
With a large sheet of a aluminum and a nibbler, it seems like a full length aluminum undertray would be easy and cheap to make, plus the weight difference between a thin gauge aluminum and composite would be negligable. Not to mention the durability factor, dents could just be pounded out.
Old 02-06-05, 04:18 AM
  #23  
Senior Member

iTrader: (1)
 
a3dcadman's Avatar
 
Join Date: Jan 2004
Location: seattle area
Posts: 555
Likes: 0
Received 0 Likes on 0 Posts
I caught the back edge of mine on the floor jack and broke the rear middle mounts. did a repair with carbon fiber. worked fine and is tough. while laying under the car, i thought about putting together a knock off of the bottom tray in carbon kevlar. carbon kevlar is expensive stuff especially in a prepreg. a vacuum form mold wouldnt be too tough to cnc. would it be a inexpensive part like the plastic oem, probably not. my guess would be in the $300 - $350 range labor and materials. recovering tooling and cnc time and materials plus cad time would not be included in that same $300 -350 though.
bottom line - dont think youll find a composite part at a price point for most.
chuck
Old 02-06-05, 08:13 AM
  #24  
Do It! Do It!

 
jsplit's Avatar
 
Join Date: Mar 2004
Location: Crofton, MD
Posts: 1,994
Likes: 0
Received 0 Likes on 0 Posts
Originally Posted by EpitrochoidMan
With a large sheet of a aluminum and a nibbler, it seems like a full length aluminum undertray would be easy and cheap to make, plus the weight difference between a thin gauge aluminum and composite would be negligable. Not to mention the durability factor, dents could just be pounded out.

Exactly, getting a couple sheets of aluminum at home depot cost like $20. I'm still trying to test the difference between various thicknesses of aluminum. But I wound up denting one of mine and it was quite easy to pound back to its original form.
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
renjiv2
3rd Generation Specific (1993-2002)
57
01-25-24 03:34 AM



Quick Reply: aftermarket underbody tray



All times are GMT -5. The time now is 10:20 AM.