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  Topic Review (Newest First)
09-22-2011 01:51 PM
The Old Guy J.

Any progress update? I'm having difficulty understanding what your fabrication will look like when finished. Also, I assume that the bumper removal process for an '08 Elise would be the same as your '07; correct?

The Old Guy
06-10-2011 02:43 PM
Notorious Nice. Thanks for the info!!!
02-05-2008 08:58 AM
Chris Mackey
Quote:
Originally Posted by Bgwillyelise View Post
Is there a pic of the Rear panel eliminator with just a stock exhaust?
Ditto.
02-05-2008 08:57 AM
Chris Mackey
Quote:
Originally Posted by Randy Chase View Post
It looks like the channels and multiple mounting using silicone) is designed to accept some shock and resist deformation, while allowing the larger metal "pillows" to absorb damage. That of course will only work up to some point... but then that was the goal right, for 2.5mph hits?
I don't have any real idea, but it seems to me that 3300 lbs moving at 2.5 mph is going to wreck your clam without or without the bumperettes.

I think Lotus is doing the old Chapman thing adhering to the rules *just* enough.
02-05-2008 08:36 AM
Bgwilly31 Is there a pic of the Rear panel eliminator with just a stock exhaust?
11-14-2007 12:22 AM
Stephen
Quote:
Originally Posted by loanshark View Post
Stephen

Great info. Do you have any side by side pics of your 07 with a 06/05 car? Also your 07 piece that you took off, can one just bolt that into an 06 car?

Thanks
I can take some pics, send me a reminder PM. As for your other questions, I would have said exactly what J. Salmon said above.

Why would you want the bumper panel? Oh wait, I know, so people think you are driving an Exige S. It would be easier to just order the decals and make a panel that covers the Elise engine lid, and then put a fake intercooler on top. This can all be done with sturdy paperboard from your local hobby shop and some PVC piping. I can fly out and help you with the project if you like.
11-13-2007 04:36 AM
RoadDad
Quote:
Originally Posted by J. Salmon View Post
I do not think the mounting points for the late '07 part are in place on the earlier cars. The later cars still have the holes for the '06 part (they come with both sets of holes), but not vice versa. Now you could drill them yourself, but that would take some careful measuring.
Ah, loanshark could do it. They couldn't be more than a cm or two from the '06/'07 holes. He could just use his little "tool" to measure it .
11-13-2007 04:20 AM
J. Salmon
Quote:
Originally Posted by loanshark View Post
Stephen

Great info. Do you have any side by side pics of your 07 with a 06/05 car? Also your 07 piece that you took off, can one just bolt that into an 06 car?

Thanks
I do not think the mounting points for the late '07 part are in place on the earlier cars. The later cars still have the holes for the '06 part (they come with both sets of holes), but not vice versa. Now you could drill them yourself, but that would take some careful measuring.
11-12-2007 06:35 PM
loanshark
Quote:
Originally Posted by Stephen View Post
One more comment for all the bumper geeks who are so glad they don't have the '07's with the 200 # bumpers.

Although the new bumper/rear panel is a little heavier and not quite as pretty as the old piece, it is easy to remove and go to the '06 panels or early '07 rear panel. Or, like many who remove the rear panel all together, once this piece is out, it is just like any other '05 or '06 Elise/Exige. It is not a big deal at all. btw, I just weighed the entire piece, it was 7.4 lbs, while the one from my Elise is 3.0 lbs, big friggen deal.

And who knows, for those who do not want to remove it, it might actually save your rear clam from some cracks and paint scuffs in a minor rear end collosion with another very low car like .............another Elise. OK, that may never happen except during a group drive. But still, all this heartache over 4.4 lbs that many end up removing enyway with a rear panel delete kit.

Stephen

Great info. Do you have any side by side pics of your 07 with a 06/05 car? Also your 07 piece that you took off, can one just bolt that into an 06 car?

Thanks
11-12-2007 06:28 PM
Stephen
Quote:
Originally Posted by shay2nak View Post
wow, that thing looks like a monster. looks like it weighs a lot.

Once again, 7.4 lbs, the other guy came up with 8. It only weighs about 4 or 5 lbs more than yours. But I agree, it is a lump of $hit that should be removed.

I did not find it difficult to remove, but I have done this many times including swapping exhausts and decats about once a week.

Stephen
11-11-2007 06:28 PM
J. Salmon
Quote:
Originally Posted by Ken Wright View Post
J.

Just ditch the rear panel and get an eliminator kit. It will look great.

ken
That is my fall back, but I am modifying the existing parts, sorta making my own cross between an eliminator and a challenge-type grill. No, I am not weighing it, but it is definitely lighter than the bumpers.
11-11-2007 05:27 PM
Ken Wright J.

Just ditch the rear panel and get an eliminator kit. It will look great.

ken
11-10-2007 09:51 AM
J. Salmon The "bumperettes" have a bit of absorption, but it wouldn't take much to transmit that energy to both the upper clam and the lower diffuser. They pretty much look like something to appease the DOT. I fail to see the point of them myself.

After much mental wrangling, I am going to try to use what I have to fabricate a new rear grill. I'll post pics if it comes out, otherwise you'll never hear about it from me again.
11-09-2007 06:17 PM
Randy Chase It looks like the channels and multiple mounting using silicone) is designed to accept some shock and resist deformation, while allowing the larger metal "pillows" to absorb damage. That of course will only work up to some point... but then that was the goal right, for 2.5mph hits?
11-09-2007 06:13 PM
J. Salmon
Quote:
Originally Posted by Vishus_1 View Post
It looks to me that if these bumpers get any kind of impact it will transfer it to these parts of the clam you have shown that it attaches to (like inside the trunk) - causing some serious damage.

Not that the previous design offered any greater protection - I just don't see this as anything functional. Rather than the damage from a minor impact being evident on the exterior - if this so-called bumper is hit right-on then it transfers the damage to the inside of the trunk (which will likely, ultimately, extend to the outside via stress, vibration or some other means).

Am I missing something?
Nope. That's my take. I will be glad when it is gone.

but... DOH! It looks like I don't have all the parts I need to replace it and mount the diffuse. So I will either be fabricating my own or utilizing next day shipping....
11-09-2007 06:07 PM
Vishus_1 It looks to me that if these bumpers get any kind of impact it will transfer it to these parts of the clam you have shown that it attaches to (like inside the trunk) - causing some serious damage.

Not that the previous design offered any greater protection - I just don't see this as anything functional. Rather than the damage from a minor impact being evident on the exterior - if this so-called bumper is hit right-on then it transfers the damage to the inside of the trunk (which will likely, ultimately, extend to the outside via stress, vibration or some other means).

Am I missing something?
11-09-2007 05:34 PM
J. Salmon
Quote:
Originally Posted by jerrym View Post
is it difficult to do this?
I have found it to be more difficult than I thought, but only because it has been different. The rear bumper assmebly was in there good, so I ultimately had to pull the heat shield. To do that, I had to pull the cat. Now I had already planned to pull the exhaust, so this is not a big deal to me. But I do NOT think that I could have gotten the rear grill out without pulling the rest.

In other words, if you are only trying to replace the rear late '07+ bumpers, you may find it to be much more involved than the earlier plate holder.

One more thing: I have a lift, and that makes it much easier.
11-09-2007 05:34 PM
Randy Chase Hang out with serious backpackers or road racers.
11-09-2007 05:27 PM
J. Salmon OK, for the record:

Rear bumper assembly: 8.2 lbs.
Factory cat: 9.8 lbs.
Stage 2 Exhaust (S-specific Janspeed): 19.8 lbs.
Larini SE (welded tips): 15.2 lbs.

I must admit, you all are the biggest bunch of weight weenies this side of cycling. Granted, I know cyclists who will spend $1000 to save less mass than I can sh*t, but this group is pretty close!!!
11-09-2007 02:17 PM
shay2nak wow, that thing looks like a monster. looks like it weighs a lot.
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