The Triumph Dolomite Club - Discussion Forum

The Number One Club for owners of Triumph's range of small saloons from the 1960s and 1970s.
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 Post subject: bonnet gaps
PostPosted:Tue Jun 28, 2022 8:01 pm 
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Joined:Mon Dec 12, 2016 9:53 pm
Posts:1451
Location:Harrow Middlesex
What were the bonnet gaps like ? ive rebuilt the drivers side front end and may have got it wrong, if you lay my bonnet in position with 5mm spacers at the bulk head to the bonnet,the gap at front valance is bigger on the drivers side than the passengers side

Ive measured from the bulk head to the top of front valance 28 1/4 inches both sides, also measured the bonnet 28 inches both sides

Dave


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 Post subject: Re: bonnet gaps
PostPosted:Thu Jun 30, 2022 5:20 am 
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Joined:Thu Mar 07, 2019 6:00 am
Posts:86
Location:Kent
Dave.

I don’t have one gap on my car that is consistent.

I have got used to living with the imperfections of 1970s engineering.

Nothing a lump of 4x2 can’t sort out.

Richard 🙂

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 Post subject: Re: bonnet gaps
PostPosted:Fri Jul 01, 2022 7:58 pm 
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Joined:Sun Aug 21, 2011 4:12 pm
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Location:Highley, Shropshire
The gap at the front is normally larger than the gap at the rear, designed that way to allow the front end to dip below the valance without touching.

Have you tried measuring the bonnet hole across the corners, it's possible past accident damage has made the hole trapezoid rather than square (OK rectangular, or not even that, whatever, you know what I mean!)

As Richard says, panel fit is a bugbear all Triumph owners deal with. I had the body shop jig straighten and test fit all the panels on my Sprint. The laser guided jig fixed the gaps to .5 mm and it all looked perfect. Then I subbed in a better bonnet afterwards, the one that I let the bulge into and it fits where it touches, high one side, low the other, twisted across the corners and very difficult to shut. Too late to go back now the paint is on, shimming the hinges may help when I get time, it's on the to-do list!

Steve

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'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
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 Post subject: Re: bonnet gaps
PostPosted:Fri Jul 01, 2022 8:25 pm 
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Future Club member hopefully!
Future Club member hopefully!

Joined:Mon Dec 03, 2012 6:04 pm
Posts:1482
I found the issue was my bonnet was warped, there was no possible way to make it line up. Getting one that was actually the correct shape improved things massively.


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 Post subject: Re: bonnet gaps
PostPosted:Fri Jul 01, 2022 9:48 pm 
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TDC Member

Joined:Mon Dec 12, 2016 9:53 pm
Posts:1451
Location:Harrow Middlesex
Quote:
The gap at the front is normally larger than the gap at the rear, designed that way to allow the front end to dip below the valance without touching.

Have you tried measuring the bonnet hole across the corners, it's possible past accident damage has made the hole trapezoid rather than square (OK rectangular, or not even that, whatever, you know what I mean!)

As Richard says, panel fit is a bugbear all Triumph owners deal with. I had the body shop jig straighten and test fit all the panels on my Sprint. The laser guided jig fixed the gaps to .5 mm and it all looked perfect. Then I subbed in a better bonnet afterwards, the one that I let the bulge into and it fits where it touches, high one side, low the other, twisted across the corners and very difficult to shut. Too late to go back now the paint is on, shimming the hinges may help when I get time, it's on the to-do list!

Steve
Steve

Yes i have measured from corner to corner, the car is square, dont know if the car has had damage before, going to have another look tomorrow to see if i can get a better fit, ive got another bonnet this one fits better than the other

Dave


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