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Old 11-20-2013, 02:14 AM
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hood hinges

Having some trouble coming up with a hinge that'll do what I want.

Car is a 84 monte carlo ss

Hood is a 6" vfn cowl that goes all the way to the windshield. This was a pin on hood but has been made into a bolt on.

I need a hinge that when opening will bring the hood a few inches forward than tilt up. If I could wrap my head around exactly how the hinges work with the multiple bars maybe I could make something.

Just figures I would ask here.

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Old 11-20-2013, 03:51 AM
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Those hinges were first developed by Sachse's Rod Shop if I remember right.

You may want to look into a reverese opening hood to get the scoop to clear.
I designed and built a set like this for my Astro van. I'll see if I can get some pictures loaded.
Mark
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Old 11-20-2013, 04:23 AM
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Would most appreciate it.

I thought about the reverse opening but really would make getting in engine bay a pain.
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Old 11-20-2013, 01:26 PM
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Spoke to them on phone. They dont believe itll clear enough.

Maybe use those but mount them on a track or slide. So once you pop the hood and lift about 2 inches you can pull forward about 3 inches then open all the way.
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Old 11-21-2013, 06:32 AM
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tRY bmw 318 OR 325 hinges they slide forward when you pull cable to unlatch about 3 or 4 in then raise the hood as normal
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Old 11-21-2013, 07:58 AM
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I have to tell you, I would change the hood idea, or make it open in reverse. To make it do this is a tall request. If you made some sort of slide, what would hold it while the hood is open? What would happen if it slid back while the hood was open?

Just make it open in reverse and make some sort of quick release so you can take the hood off easy when you need to work on the front of the motor. You could do this in a way where the hood goes back without any adjustment. So you would quickly pull it off and on. Make a piece on the hinge that adjusts, then the hood bolts straight to it. Or of course make all the adjustment in the hinge to the rad support or where ever you mount them.

I am thinking that is your best bet. Not that it can't be done somehow understand, not that you can't figure out a way to do it, my point is, I don't think it's the best way to handle it.

Brian
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Old 11-21-2013, 08:05 AM
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There are a lot of late model cars that have trunk hinges that sort of "throw" the lid away from the glass as it opens to a more vertical position than other lids. This is one is on a Subaru but I was thinking more of VW and Volvo. Check them out, maybe one of them would do the trick?



Here is a Volvo.



Brian
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Old 11-21-2013, 08:06 AM
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I agree. I didn't comment earlier but was thinking it's just a disaster waiting to happen.
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Old 11-21-2013, 08:41 AM
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Quote:
Originally Posted by 496CHEVY3100 View Post
tRY bmw 318 OR 325 hinges they slide forward when you pull cable to unlatch about 3 or 4 in then raise the hood as normal

Forgot to mention the BMW hood opens at the rear and slides forward.and the hood opens and counterbalances its self to stay open with lighy weight springs

These hinges are from a 525 BMW
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Last edited by 496CHEVY3100; 11-21-2013 at 08:47 AM.
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Old 11-21-2013, 10:10 AM
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Those hinges don't actually slide the hood forward as I remember, though I could be wrong of course. What it does is opens at the front, pivoting forward on those arms you see. The rear of the hood at the firewall has guides that it slides on as the hood pivots back on the hinges. At a certain point the hood clears the slides allowing it to raise at the rear pivoting on the front hinges. It's very odd, a video is needed to really get as I can't explain it any better than that.

Brian
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Old 11-21-2013, 08:06 PM
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I don't really know how the 525 hood works in the picture never owned one ,mine is a 325 a cheaper version ,,when the hood latch is pulled the hood raises at the front about 2 or 3 in then slides forward about 6 in then pivots forward kind of a counter balance ,
to close it just tilt it back to rear slide it back into the two horseshoe latches on the fire wall and push strait down it latches .
this long post makes it sound hard ,but it is actually very simple.
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Old 11-21-2013, 09:06 PM
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73-80 C-10 truck hinges may work for you? The hoods went to the windshield with the cowl vents made in the hood. The hinges kick the back of the hood forward as it comes up. I don't know if it would be enough of a movement to clear the windshield though. Another option is to trim the back of the cowl scoop so it clears the windshield, of course that will leave you with a bigger space between the windshield and scoop when the hood is closed.

Kelly
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Old 06-16-2019, 11:51 PM
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I know this is an old thread, but I am hoping somebody out there can help me out.
I need a similar pair of hood hinges to those Sachse items pictured here.
I am in a confined space and was thinking if anybody had some dimensions of those Sachse units that I could have and scale down or modify to my situation.
If I can get a start, I will post a project thread covering my full hood build, which is for a one piece half hood that lifts from the firewall.
Not my first choice but seems to be my best option to date...

Many thanks, Russ.



Quote:
Originally Posted by astroracer View Post
Those hinges were first developed by Sachse's Rod Shop if I remember right.

You may want to look into a reverese opening hood to get the scoop to clear.
I designed and built a set like this for my Astro van. I'll see if I can get some pictures loaded.
Mark
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Old 06-17-2019, 05:43 AM
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Quote:
Originally Posted by fiftyv8 View Post
I know this is an old thread, but I am hoping somebody out there can help me out.
I need a similar pair of hood hinges to those Sachse items pictured here.
I am in a confined space and was thinking if anybody had some dimensions of those Sachse units that I could have and scale down or modify to my situation.
If I can get a start, I will post a project thread covering my full hood build, which is for a one piece half hood that lifts from the firewall.
Not my first choice but seems to be my best option to date...

Many thanks, Russ.
Like Brian said, check out trunk lid hinges on front wheel drive cars. Such as GM W body, we used those, modified, on a second gen F body.

Last edited by idrivejunk; 06-17-2019 at 05:48 AM.
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Old 06-17-2019, 06:55 AM
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Thanks, but I'd just prefer some measurements, since I want to custom build my hinges from scratch.
The car is basically finished and I have decided to run a half hood on my 1926 T hot rod.
The mounting is tricky and I'd like to get them looking neat and tidy.
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