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Kirkham Motorsports

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  #1 (permalink)  
Old 02-02-2018, 02:15 PM
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Default Bumper Grommets For Fiberglass ?

I see that Finishline has the bumper grommets for the bumper sleeves, but like others parts they have, their for metal bodies with a groove to for the metal to be placed in ?

So with thicker fiberglass bodies, we need to glue them in ?

Where else can we get them ?
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Old 02-02-2018, 02:51 PM
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We have them as used by Superformance. The fronts glue to the body, the rear are made to span the thickness of the fiberglass.
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Old 02-02-2018, 03:02 PM
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How do I purchase them through you at Time Machines Motorsports ?
What does a set cost and what hole size ?
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Old 02-02-2018, 03:06 PM
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I cannot find them on the site, but SoffSeal sells them: Soffseal Weatherstriping & Rubber
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Old 02-02-2018, 03:20 PM
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What's the link for them ?
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Old 02-02-2018, 03:30 PM
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These worked perfectly on my Hurricane.
Metro Moulded has them.

https://metrommp.com/?f=product_list...arch_submodel=
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Old 02-02-2018, 03:45 PM
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Quote:
Originally Posted by FUNFER2 View Post
How do I purchase them through you at Time Machines Motorsports ?
What does a set cost and what hole size ?
A set of eight delivered is $61.02 I will need to measure the grommet hole to confirm the size.
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Old 02-02-2018, 04:18 PM
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Originally Posted by huskersnake View Post
These worked perfectly on my Hurricane.
Metro Moulded has them.

https://metrommp.com/?f=product_list...arch_submodel=
Nice price.

What is the hole size ?
Do they have the rear's ?
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Old 02-02-2018, 04:22 PM
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Quote:
Originally Posted by Mark IV View Post
A set of eight delivered is $61.02 I will need to measure the grommet hole to confirm the size.
Are all four the same shape and hole size, or the front & back are different ?
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Old 02-02-2018, 05:38 PM
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I was able to get the Finishline grommets to fit my Lone Star. The front just slipped in and the bumpers went through fine.

The rear was a 4 hour struggle of grinding and cussing but I finally got them in. It no longer sounds like a bass drum when I hit a bump ( I was sure it was the trunk floor hitting the sending unit).

The rear was snug and I had to use a little Dawn to get the bumpers in but my thinking is that snug rubber has to be better than slamming down on a steel rod.

They look nice and I'm glad I got them in without paint damage. The dog was just sure that I had gone mad.
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Old 02-02-2018, 07:39 PM
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Quote:
Originally Posted by FUNFER2 View Post
Nice price.

What is the hole size ?
Do they have the rear's ?
The holes in my Hurricane body are oval, as they pass through the body at an angle. The hole in the rubber bushing is 3/4". The rod supporting my quick jacks are 5/8".
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Old 02-03-2018, 06:34 AM
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Quote:
Originally Posted by FUNFER2 View Post
Are all four the same shape and hole size, or the front & back are different ?
Front and rear are different, the fronts are "beveled" as the mount on the angled nose, the rears are "firewall" grommet style. We have the grommets as used on Superformance.
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Old 02-04-2018, 01:13 PM
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Did you look here? https://www.mcmaster.com/#grommets/=1bfenss
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Old 02-24-2018, 01:02 PM
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Great, now all I need to do is measure how big my hole is.
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Old 02-24-2018, 04:38 PM
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McMaster-Carr sell grommets for 1/4" fiberglass.

Cheap

https://www.mcmaster.com/#grommets/=1bprmly
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Old 02-24-2018, 06:14 PM
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Those will work for the rear, but the front like Mark said, are shaped differently because of the snout of the Cobra. Since you had a LSC, do you remember how thick the firewall is ?

I want to run a few wires through it with grommets and thinking of a kit like this, as I have others uses for them.

https://www.ebay.com/itm/250pcs-Rubb...RYadtM&vxp=mtr
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Old 02-24-2018, 06:20 PM
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Quote:
Originally Posted by TuckerJ View Post
I was able to get the Finishline grommets to fit my Lone Star. The front just slipped in and the bumpers went through fine.

The rear was a 4 hour struggle of grinding and cussing but I finally got them in. It no longer sounds like a bass drum when I hit a bump ( I was sure it was the trunk floor hitting the sending unit).

The rear was snug and I had to use a little Dawn to get the bumpers in but my thinking is that snug rubber has to be better than slamming down on a steel rod.

They look nice and I'm glad I got them in without paint damage. The dog was just sure that I had gone mad.
Do you have any pics of your LSC ?
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Old 02-24-2018, 06:38 PM
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1/4" or a little less.

Most of the kit you buy are for 1/16" sheet metal like you find in cars.

You need to order from McMaster Carr the size you need.
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Old 02-24-2018, 07:14 PM
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Thanks.
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Old 02-25-2018, 01:03 PM
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Quote:
Originally Posted by FUNFER2 View Post
I see that Finishline has the bumper grommets for the bumper sleeves, but like others parts they have, their for metal bodies with a groove to for the metal to be placed in ?

So with thicker fiberglass bodies, we need to glue them in ?

Where else can we get them ?
I bought mine fro Finishline for my Superformance and they fit perfectly.
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