LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

Prothane LS1 motor mount insert instructions

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Old Dec 27, 2013 | 09:57 PM
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Prothane LS1 motor mount insert instructions

Installation went ok didn't need the instructions its pretty straight forward but one question is that does it matter if the tabs face up or down I installed both sides tabs up

any body had instructions , ones ive found at different threads are not clear enough
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Old Dec 28, 2013 | 06:22 AM
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Re: Prothane LS1 motor mount insert instructions

they go up

on some k members and other types of mounts there is a notch that the tab rests in as a secondary hanger

here is a pic of a bmr k member... you can see the notch in the engine mount locations on the top of each one, those tabs would sit in there
Attached Thumbnails Prothane LS1 motor mount insert instructions-100_0589.jpg  
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Old Dec 28, 2013 | 11:23 AM
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Re: Prothane LS1 motor mount insert instructions

Yea the ls1 swap mounts have notches on top and bottom I see yours have them at the top only
Im using stock k member it looks like one side of the prothane mounts has a longer side than the other which could be a illusion to me lol just dont want the motor to be misaligned

after dropping motor in I realized it and I was like damn hope I don't have to re do this

Last edited by Zach/90\irocZ; Dec 28, 2013 at 11:26 AM.
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Old Dec 28, 2013 | 11:41 AM
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Re: Prothane LS1 motor mount insert instructions

This is how I installed mines



Notice how one side is longer the metal part to be specific does this affect the alignment

Name:  LS1mounts_zpsibeivvuc.jpg
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Old Dec 28, 2013 | 07:24 PM
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Re: Prothane LS1 motor mount insert instructions

Doesnt matter. The pins help line the engine up on the mounts. As long as they face up when installed on the block, itll work fine. Some Fbody clamshells have a tab on the bottom that identifies F/R. If you get the mount backwards and the tab wont let the mount install properly on the block simply cut it off
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Old Dec 28, 2013 | 08:01 PM
  #6  
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Re: Prothane LS1 motor mount insert instructions

Sigh lol just wanted to be sure ..I didn't have issues with the tabs both sides are facing up
i really didn't want to deal with the mounts again between modifying clamshells and dropping in engine+trans wasn't a easy task by myself and about 4 hours and muscle

thanks
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Old Dec 29, 2013 | 09:34 AM
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Re: Prothane LS1 motor mount insert instructions

Its a labor of love
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Old Dec 29, 2013 | 09:57 AM
  #8  
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Re: Prothane LS1 motor mount insert instructions

Lol good way to put it
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