DZUS for engine cover

DZUS for engine cover was created by stubbs_gt

Posted 3 days 20 hours ago #207580
I was thinking about swapping the bolts on the engine cover to DZUS ring fixings, 

I think it would of been a nice nod to the MGB battery cover.

Curious on peoples input.    

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Replied by Pharg55 on topic DZUS for engine cover

Posted 3 days 17 hours ago #207581
Nice idea access-wise, but not from a structural point of view. Two of the bolts are also used for the engine bay bracing, and, as the cover is designed to bepart of the structure and stiffened, DZUS fasteners wouldn't give the mechanical function that the bolts would.
by Pharg55

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Replied by Airportable on topic DZUS for engine cover

Posted 3 days 16 hours ago #207583
I use a couple of Dzus fasteners on the drivers foot well fuse box, it was such a relief to get rid of those plastic things.
On the subject of the access panel, apart from the three hex headed screws under the speakers I’ve replaced the remainder with Allen headed screws, into the rivnuts I used to replace the pressed I threads. They can now be wizzed in & out with the wizzy gun, as the hex key indexes far better than a socket.
M

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Replied by Notanumber on topic DZUS for engine cover

Posted 3 days 16 hours ago #207584
Very good point about maintaining structural integrity. 
I wonder, as a compromise, if it could be worth using dsuz to replace just the 2 most awkward to reach bolts, the real bastard knuckle skinners that are covered the speaker bar. Sadly these tend to be left out on quite a few cars because of the difficulty previous owners have in reaching them.  Maybe it could be argued that dsuz fasteners there would at least be better than empty bolt holes.

2003 TF 135 sunstorm

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Replied by Delbourt on topic DZUS for engine cover

Posted 3 days 16 hours ago #207586
Try a ratchet spanner on those three under the speaker bar. Worked for me.

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Replied by deepfat on topic DZUS for engine cover

Posted 1 day 19 hours ago #207611
I hate the 3 under the Tbar I usually end up taking the Tbar out, I've tried a ratchet ring spanner but it wont fit over the bolt head because the lip on the cover is too close to the bolt head, next time I'm there I will try raising the bolt head clear by using washers and see if that works.
I'm not sure the panel is structural I thought it's purpose was as a firewall between the engine and passenger compartment but even if this is true you would still need a good seal for it to work. The panel on my early TF clearly shows the holes for the engine bay bracing are an afterthought being drilled afterwards not punched during production, I presume MGR were using up old stock MGF panels. This made me think that if the MGF panel didn't need those 2 bolts to fulfil it's purpose why don't I enlarge the holes to fit over the bolt heads on the bracing so saving having to remove/replace 2 bolts every time.
by deepfat

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Replied by Pharg55 on topic DZUS for engine cover

Posted 1 day 17 hours ago #207613
I use a cranked, offset ratchet ring spanner for those three, and yes, there should be washers under the bolt heads, standard engineering practice.
by Pharg55

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Replied by Airportable on topic DZUS for engine cover

Posted 1 day 17 hours ago #207615
The bracing bars in the engine compartment, under the wheel well & behind heater controls were developed by Vehicle Handling Solutions to stiffen up the structure during the transition from f to tf, (possibly for the f Mk2).
The engine braces & wheel well we’re popular retro fits, less so with the heater brace as this needed welding in after a lot of the inside had to be taken out. Arguably this was the brace that made the greatest improvement.
I don’t think the original cover had the large holes, it can’t have as I remember working the 10mm holes, when I fitted a kit, although I recall the body was punched to accommodate.
Admission time; I didn’t fit the heater brace nor did I note any great improvement to overall rigidity.
M

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