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Fastlane » Holden Forums » Holden Technical Talk » Panel Gapping

Panel Gapping

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MelbHZ		#1 Posted : Monday, 9 February 2026 7:05:53 AM(UTC)
Rank: Newbie Reputation: Groups: Registered Joined: 6/09/2023(UTC) Posts: 7 Location: Melbourne Thanks: 3 times		HI all, anyone have any useful information with regards to gapping the doors and front guards on a HZ sedan? I've read, to start with the rear doors and move forward gapping as you go, just after some tips or tricks for ease of gapping. I have got the doors looking pretty good, but the passenger side guard has a large gap where it meets the cowl (or plenum) but at the bottom the gap is pretty good. I have also replaced all chassis bushings and radiator support bushings. I'm thinking I may need to shim the guard somewhere, or the radiator support on the passenger side. Any help would be appreciated. Edited by user Wednesday, 11 February 2026 8:41:30 AM(UTC) \| Reason: Not specified


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Chris W		#2 Posted : Tuesday, 10 February 2026 10:42:51 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 15/11/2023(UTC) Posts: 13 Was thanked: 2 time(s) in 2 post(s)		Have a look on You Tube - REID Custom Garage Barnesy's Builds

1 user thanked Chris W for this useful post.		MelbHZ on 11/02/2026(UTC)
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8D11PCH2		#3 Posted : Wednesday, 11 February 2026 5:45:08 AM(UTC)
Rank: Member Reputation: Groups: Registered Joined: 11/09/2016(UTC) Posts: 218 Location: OZ Was thanked: 25 time(s) in 24 post(s)		Originally Posted by: MelbHZ HI all, anyone have any useful information with regards to gapping the doors and front guards on a HZ sedan? I've read, to start with the rear doors and move forward gapping as you go, just after some tips or tricks for ease of gapping. I have got the doors looking pretty good, but the passenger side guard has a large gap where it meets the cowl (or plenum) but at the bottom the gap is pretty good. I have also replaced all chassis bushings and radiator support bushings. I'm thinking I may need to shim the guard somewhere, or the radiator support on the passenger side. Any help would be appreciated. GMH had shims available for packing the rad support panel. Doubt you will buy them new these days.
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1 user thanked 8D11PCH2 for this useful post.		MelbHZ on 11/02/2026(UTC)
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