[DML] Bad Mouthing DeLorean Flaws versus Correcting DeLorean Flaws
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[DML] Bad Mouthing DeLorean Flaws versus Correcting DeLorean Flaws

For the record: I do not merely bad mouth flaws my DeLorean was built with -- I actively correct them:

Front suspension: my impression (shared with Mike Loasby) is that the production front suspension is inadequate. I replaced what I considered to be problem components on both my cars with ready made aftermarket alternatives. 

Electrical grounds: my impression is that production electrical grounds are inadequate. I added ground buses to both my cars and tied every single factory junction into those buses. In the process I also found a junction hidden behind the central A/C duct, which is where the instrument cluster is in fact grounded, not via the radio bracket as was conventional wisdom as long as I had owned my car (since 2002). My buses render the braided block ground redundant with a weather tight battery connection inside the car.

Fuel delivery: my current engine has no provision for multiport injection of any sort (no injector bungs), so I carbureted it at installation in 2004. Another owner asked for the same in 2008. Sand cast manifolds suitable for carburetion were rare even then, so I designed and fabricated my own intake manifold. Since then, at owners' request, 11 more carbureted intake manifolds have been fabricated and put into service (9 of them as part of a "kit" with all other necessary components). I also have made adapters to mount American (Motorcraft) carburetors on three Peugeot 604 manifolds. Altogether I have helped 15 other owners, at their request, carburete their DeLoreans. Only those owners can speak to adequacy of the multiport injection they converted from, or adequacy of the carburetors they are currently running. As stated, in my own case there was no reasonable alternative to carburetion (K-Jet or EFI couldn't be installed in my heads).

Exhaust: my impression is that the production exhaust system cumbersome and an impediment to engine maintenance and repair, that it is restrictive and reduces performance, and that a muffler across the back of the car creates heat that can damage the rear fascia and belts/seals on the front of the engine. I designed and installed my current exhaust setup as an alternative in 2003.

Ignition: my impression is that stock DeLorean ignition voltage, and the plug gaps it is able to jump, is inadequate even by standards of its day (1981). I have increased my primary coil voltage to 1981 standards (12v, not charging voltage). I am running a contemporary high winding Made in USA coil. My plug gaps are 1981 standard .05". I also use spiral wound metal plug wires, primarily for durability rather than performance. Since they are custom made, plug wires for the passenger side of my engine, and the coil, take off straight from the 45 degree angle of the distributor cap rather than bending back on themselves from 90 degree terminals (I have no clearance issues from a fuel/air mixture unit).

Door latch/lock internals: my impression is that the sharp reverse bend the outer door cable makes inside the door is an impediment to smooth operation, so I added simple 50 cent return springs to my bellcranks to ensure they always returns to the fully retracted position (dragging the outer cable through that sharp bend in the process). My impression also is that plastic retainers are inadequate to keep the front lock rods from flexing inside the door, so I replaced them with steel eyes.

Rear illumination: my impression is that stock rear illumination is inadequate, so I modified my boards and housings to double the amount of tail light illumination, and increase brake light illumination 50%.

Spare tire: my impression is that the stock spare tire is inadequate, so I replaced it with a full size steel belted 50,000 mile radial on a rim that fits both front and rear. When I sliced a sidewall while traveling in 2009 I was able to drive on this spare to multiple tire shops looking for an in-stock 235/60-15 replacement. Had it been necessary I could have driven home, at highway speeds, on the spare. If I ever get a flat after hours or on a weekend, I can drive on my spare until tire shops open.

There are 1,001 other improvements I have made to my car, from a custom headlight circuit to custom courtesy lighting, to headlights that can be aimed and changed without digging around in the front fascia, which also evidence that I do more than simply bad mouth flaws my car was built with -- I actively fix them.

Bill Robertson


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