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Old 12-14-2016, 04:27 PM   #34
glennpm
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Join Date: Sep 2014
Location: Mid-Coast Maine
Posts: 3,349
Default Re: 1932 Roadster - Rear Hood Hinge Bracket?

Thanks Rich for responding again!

1. The front lip (showing facing downward in your first photo) is the only part visible between the firewall and cowl, so it doesn't impact the fit. I think the main problem is the combination of the forward bottom of that lip along with the center hump. And maybe it's just the center hump that's the problem.

Yes, agreed. I'm leaving this part of the seal as is.

2. I suspect removal of the back edge bead might make it easier for you to reinstall since you are squeezing it into limited space between the firewall and cowl. Just a guess. Hope you can try it.

Yes, even though it fits within the "0.21" envelope for the most part, removing this rear lip will make it a whole lot easier to reinsert especially along the vertical section between the cowl and firewall.

3. You might be right about removing the bottom hump (facing upward in the first photo) to get to .21".

Yes by taking off the bottom hump, I meet the thickness envelope and I can monitor better the amount of rubber I'm removing. This would be a lot tougher on the top hump. I don't have one of those fancy HF sanders like you do ;-)

However, no matter how soft the rubber is, you don't get much compression when it's spread out over the top 2.5 - 3 feet of the cowl. You just can't compress it much across an area that wide.

Yes, I know and should have left that comment off. It is still relatively hard and to get it to compress uniformly, it would probably take 100lbf.

If I get under my dash, I can see some gaps where my modified seal doesn't, well, seal. Guess I ground it too much. But I'm not going to be driving this in the rain, so I'm not worried. Many other gaps/holes in an open cab pickup.

I don't plan much rain riding either.

One other thing: The right thickness for my truck might be different for your roadster. I'm sure the firewalls are the same, but the body cowls are different. Therefore, you might have a different fit and results.

Yes

Finally, isn't it amazing how some dumb thing like this takes so much time!!

Absolutely!! When I was re-posting, I was thinking the same thoughts and also ... these guys are waiting for me to go away and give this thing up :-)

It was very hard to get out so I don't plan to do any trials on this!! Amazing that this "perfect replacement" is so not.

Glenn
:-).[/QUOTE]
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