(MARRS-RX7) Back in the Seat

John Maslin jhmaslin
Wed Apr 2 04:55:36 CEST 2014


Regrettably I'm not a welder, but welding any one point should be okay,
just don't tie the fix into the rest of the frame so as to stiffen the
entire structure beyond what, as Jack says, would be stock.
John


On Tue, Apr 1, 2014 at 8:50 PM, DANNY MATULA <sga.racing at gmail.com> wrote:

> Mine was rusted pretty good where the up link on the rear suspention
> mounted so it was a mater of time before it ripped the mount.. some mid 80s
> Nissans had similar issues.
> On Apr 1, 2014 6:47 PM, "Jack Burrows" <rx7rainman at gmail.com> wrote:
>
>> When it comes to repairs, it seems to me that the basic rule is that
>> "common sense shall prevail"  and repais requiring welding are OK as long
>> as they don't exceed the stiffness of the factory assembly.  My own car (an
>> 84) had some rust problems including a rusted-out floor pan near the rear
>> wheel where the cage is mounted.  That wasn't frame damage, but the repair
>> involved cutting out the rusted part and welding in a replacement piece.
>>  Having said that, I'd be suspicious of a car with a frame rusted enough to
>> require a welded repair, sounds like a parts car to me, but I haven't seen
>> it.
>>
>>
>>
>>
>> On Tue, Apr 1, 2014 at 6:14 PM, Ben Selig <Benselig at aol.com> wrote:
>>
>>> How do we treat repairs?   With the aging frames cracks develop , rust
>>> happens..etc... Can we weld the undercarriages ?
>>>  The reason I'm asking is that there's an RX7 available but there is a
>>> bit of undercarriage rust.  Are welded patches allowed? The portion is
>>> under the right rear wheel attached to the frame.  There is a piece that
>>> has come loose...I think it's rusted off, yet attached by a bolt....
>>> It was a brief inspection, so I don't know all of the rust extent...
>>>
>>> -Ben
>>> SRX7  #22
>>>
>>>
>>>
>>>
>>> On Apr 1, 2014, at 5:59 PM, Jack Burrows <rx7rainman at gmail.com> wrote:
>>>
>>> Absolutely.  If it doesn't specifically say you CAN do it, presume you
>>> CAN'T.  Simple as that.
>>>
>>>
>>>
>>> On Tue, Apr 1, 2014 at 5:42 PM, Bill <77 at stuart5.com> wrote:
>>>
>>>> On 2014-04-01 17:16, markwemple wrote:
>>>>
>>>>  Was wondering if adding a zirc fitting to the rear bushings and
>>>>> greasing them is permitted?
>>>>>
>>>>
>>>> Hey Mark,
>>>>
>>>> Third sentence of the Spec RX-7 rules says: "The only modifications
>>>> allowed are those listed below."
>>>>
>>>> Which makes our rules really simple to understand: If the rules don't
>>>> say you can do it, you can't do it.  So be careful with modifications even
>>>> if they are intended just to improve reliability.
>>>>
>>>> http://specrx7.com/SRX7%20Rules%202014.pdf
>>>>
>>>> --
>>>>  - Bill
>>>>    # unknown
>>>>
>>>>
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>>>
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