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Lotus Europa Forums => Garage => Topic started by: Pfreen on Sunday,January 29, 2017, 02:19:44 PM

Title: Dashboard chassis bolts
Post by: Pfreen on Sunday,January 29, 2017, 02:19:44 PM

Could someone please tell me if the bolts holding the two dashboard angle brackets to the chassis have nuts welded to the inside of the chassis or if you loosen the bolts, you have to get a wrench on the nuts inside the chassis tunnel?

I want to use those bolts for a chassis ground, but I don't want to loosen them and have a big problem tightening them back up.

Thanks.

Title: Re: Dashboard chassis bolts
Post by: andy harwood on Sunday,January 29, 2017, 04:59:51 PM

Seems like a threaded insert welded in frame. I'll look when I go to the shop in the morning and reply.

Title: Re: Dashboard chassis bolts
Post by: Pfreen on Sunday,January 29, 2017, 05:43:56 PM

Thanks

Title: Re: Dashboard chassis bolts
Post by: TCS4605R on Sunday,January 29, 2017, 06:28:43 PM

The bolts are 3/8"-24 and screw into threaded bobbins in the fiberglass body - believe they are 3/4" long.  You may have to loosen the other body to frame bolts to get the dash brackets bolt holes to line up.

Tom
74 TCS - 4605R

Title: Re: Dashboard chassis bolts
Post by: andy harwood on Monday,January 30, 2017, 07:02:31 AM

Pic of bolt holes in question
hth

Title: Re: Dashboard chassis bolts
Post by: Pfreen on Monday,January 30, 2017, 09:19:07 AM

Perfect!  Thanks.  That's my chassis ground.

Title: Re: Dashboard chassis bolts
Post by: andy harwood on Monday,January 30, 2017, 04:33:03 PM

yes. think that is the perfect place. at least that is where most grounds terminated on my car.

Title: Re: Dashboard chassis bolts
Post by: Pfreen on Monday,January 30, 2017, 06:39:46 PM

My tcs used the bracket as a ground  but I don't like torquing the ground nut against the plywood dash, so I wanted to use the bolt into the chassis so I can torque it tightly.  i am using this point to run a ground to the front for the lights, fans and horn instead of using the closing plate as a ground, which I have found to be unreliable.

Title: Re: Dashboard chassis bolts
Post by: andy harwood on Monday,January 30, 2017, 06:56:34 PM

I used a length of angle iron. Drilled hole for dash bolt, 2-4 holes to use for grounding wires. Made it a bit easier to access