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Putting my sub-frame back in this weekend. I have poly engine mounts.
The question. Should I reinstall my stock engine mount shields to protect the passenger engine mount from the exhaust. Its only a few inches away. Will the heat kill poly mounts or are they tough enough to handle it.
The car had no shields when I got it but I have some I can put back in.
Thanks.
mahoneyj wrote:
[quote]Putting my sub-frame back in this weekend. I have poly engine mounts.
The question. Should I reinstall my stock engine mount shields to protect the passenger engine mount from the exhaust. Its only a few inches away. Will the heat kill poly mounts or are they tough enough to handle it.
The car had no shields when I got it but I have some I can put back in.
Thanks.[/quote]
I had no problem with my motor mounts melting but other guys have so I reinstalled the heat shield. If you do a search you’ll find the pics of melted motor mounts.
RGrace wrote:
[quote]andrew240z wrote:
Debatable.[/quote]
SE has page after page of smack-talk. MA generates one word. your verbosity is as efficient as your driving mister grace, kudos 
So it looks like I should put the OEM shield back on or fab my own. Dont feel like having a mount possibly melt on me.
Thanks
Actually, one should lobby for a change to the rules to allow a solid mount. Solid or poly or plastic or rubber or wharever, none provide a performance difference.
Loss of engine support can be DIRECTLY related to safety of the racer(s) on track.
Someone please go forth and submitt this one for technical/safety evaluation. I’ve already done my share of items in the past.
RP
Patton wrote:
[quote]Actually, one should lobby for a change to the rules to allow a solid mount. Solid or poly or plastic or rubber or wharever, none provide a performance difference.
Loss of engine support can be DIRECTLY related to safety of the racer(s) on track.
Someone please go forth and submitt this one for technical/safety evaluation. I’ve already done my share of items in the past.
RP[/quote]
Is there any anecdotal evidence of solid motor and/or tranny mounts causing cracks at the mounting points?
I’ve already had to both replace engine and tranny mounts. Maybe solid mounts is the answer.
Ranger wrote:
[quote]Patton wrote:
[quote]Actually, one should lobby for a change to the rules to allow a solid mount. Solid or poly or plastic or rubber or wharever, none provide a performance difference.
Loss of engine support can be DIRECTLY related to safety of the racer(s) on track.
Someone please go forth and submitt this one for technical/safety evaluation. I’ve already done my share of items in the past.
RP[/quote]
Is there any anecdotal evidence of solid motor and/or tranny mounts causing cracks at the mounting points?
I’ve already had to both replace engine and tranny mounts. Maybe solid mounts is the answer.[/quote]
but is it cheap and easy? 
kishg wrote:
[quote]Ranger wrote:
[quote]Patton wrote:
[quote]Actually, one should lobby for a change to the rules to allow a solid mount. Solid or poly or plastic or rubber or wharever, none provide a performance difference.
Loss of engine support can be DIRECTLY related to safety of the racer(s) on track.
Someone please go forth and submitt this one for technical/safety evaluation. I’ve already done my share of items in the past.
RP[/quote]
Is there any anecdotal evidence of solid motor and/or tranny mounts causing cracks at the mounting points?
I’ve already had to both replace engine and tranny mounts. Maybe solid mounts is the answer.[/quote]
but is it cheap and easy? ;)[/quote]
Not replacing is cheaper and easier then replacing.
But I talked to Chuck Baader about this tonight to get his thoughts. His perception is that metal mounts put a lot of stress on the mount points, increasing the risk of cracking.
We are allowed to reinforce mounting points tho, so I suppose there’s an obvious solution. Someday maybe I’ll be a decent welder and those kinds of mods won’t seem like such a pita.
Since I had my subframe out I reinforced the engine mount location. I was not that hard and basic welding skills can get you by.
Ranger, find a local Vo-Tech school and take a welding class. I did that a few years ago and learned a lot. The welding class was cheap and easy.
mahoneyj wrote:
[quote]
Ranger, find a local Vo-Tech school and take a welding class. I did that a few years ago and learned a lot. The welding class was cheap and easy.[/quote]
Ya, I’ve been thinking about that.