solid motor and tranny mounts
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From: smock pa
solid motor and tranny mounts
Since I'm building a new motor for my truck I will be needing née motor mounts to. I was considering getting solid motor mounts. What are the pros and cons of using them? Can I use solid tranny mounts to? What would happen if I used solid tranny mounts and solid motor mounts? Pros? Cons? Will it make the whole truck shake at idle since it will be solid?
Lead Driver
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From: Ohio
You can put solid motor mounts, but I would leave the transmission soft. If not, if the chassis flexes too far you will break the transmission tailhousing/mount/etc.
If anything, just put polyurethane motor mounts. Will give you a bit better support, but won't be solid. Leave transmission stock. Still will transmit a good amount of shake to the truck.
If anything, just put polyurethane motor mounts. Will give you a bit better support, but won't be solid. Leave transmission stock. Still will transmit a good amount of shake to the truck.
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From: smock pa
You can put solid motor mounts, but I would leave the transmission soft. If not, if the chassis flexes too far you will break the transmission tailhousing/mount/etc.
If anything, just put polyurethane motor mounts. Will give you a bit better support, but won't be solid. Leave transmission stock. Still will transmit a good amount of shake to the truck.
If anything, just put polyurethane motor mounts. Will give you a bit better support, but won't be solid. Leave transmission stock. Still will transmit a good amount of shake to the truck.
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From: SW Florida
You actually DON'T want to do that, your truck ain't gonna shake like you think it will. You've probably ridden in something with a nice built motor and felt how it shook at idle. I can guarantee you whatever you were riding in had rubber or poly motor mounts... they will transmit vibrations just fine if the motor has any to give.
What you'll get if you go with solid mounts ain't gonna be like that, but rather it'll likely be a high frequency, extremely annoying resonance type of vibration as the engine rattles the cab and frame at it's resonant frequency.
You know how some exhaust systems drone in the cab? Well think of that, except with vibrations instead of sound.
When and if you start making enough power to snap flexible mounts then you can consider solid ones, although most people just chain the driver side of the motor to the frame at that point, and still run poly or rubber mounts as the main support.
What you'll get if you go with solid mounts ain't gonna be like that, but rather it'll likely be a high frequency, extremely annoying resonance type of vibration as the engine rattles the cab and frame at it's resonant frequency.
You know how some exhaust systems drone in the cab? Well think of that, except with vibrations instead of sound.
When and if you start making enough power to snap flexible mounts then you can consider solid ones, although most people just chain the driver side of the motor to the frame at that point, and still run poly or rubber mounts as the main support.
Postmaster
Joined: Nov 2011
Posts: 3,533
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From: SW Florida
Because of what I just said. The guys are saying you're too young and inexperienced to know any better, and I agree. You don't want solid mounts... it will drive you nuts and nobody will want to ride with you.
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From: smock pa
You actually DON'T want to do that, your truck ain't gonna shake like you think it will. You've probably ridden in something with a nice built motor and felt how it shook at idle. I can guarantee you whatever you were riding in had rubber or poly motor mounts... they will transmit vibrations just fine if the motor has any to give.
What you'll get if you go with solid mounts ain't gonna be like that, but rather it'll likely be a high frequency, extremely annoying resonance type of vibration as the engine rattles the cab and frame at it's resonant frequency.
You know how some exhaust systems drone in the cab? Well think of that, except with vibrations instead of sound.
When and if you start making enough power to snap flexible mounts then you can consider solid ones, although most people just chain the driver side of the motor to the frame at that point, and still run poly or rubber mounts as the main support.
What you'll get if you go with solid mounts ain't gonna be like that, but rather it'll likely be a high frequency, extremely annoying resonance type of vibration as the engine rattles the cab and frame at it's resonant frequency.
You know how some exhaust systems drone in the cab? Well think of that, except with vibrations instead of sound.
When and if you start making enough power to snap flexible mounts then you can consider solid ones, although most people just chain the driver side of the motor to the frame at that point, and still run poly or rubber mounts as the main support.
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Elder User
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From: smock pa
And yes I am young and inexperienced that's why I ask a bunch of questions before I go buying parts that aren't good
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Elder User
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From: smock pa
Should I get poly transmission mounts to? Or just leave those rubber?