Poly engine mounts (ready) - Place your orders

brinky · Posted: Mon Apr 14, 2008 8:12 pm Post subject:

Update... Hey guys, so I just ordered the material and the poly, I took a while because of finacial probs. But I ordered enough for 7 sets, 1 for me to keep. More can be made later, I just got started on the gigs. The elastomer is shore 80A. So you guys should see some pics by the end of the week.

isaachayes · Posted: Mon Apr 14, 2008 8:57 pm Post subject:

Here is a pic of my set of them (for 92+ L bodies)

That's black shore 80a. I designed it to also accept energy suspension flange bushings. I only got 7 mounts filled with the 2 part poly so the rest get the flange bushings.

Post pics as you go!

valentine26 · Posted: Tue Apr 15, 2008 4:03 am Post subject:

What exatctly would these do for my car? Its all stock as of now?

wolfwood390 · Posted: Tue Apr 15, 2008 1:28 pm Post subject:

They are going to reduce the amount your engine move around in the engine bay, which means less power is wasted and more go to the wheels. On a stock engine I doubt there will be a huge difference but anything helps.

Id be interested in the 80's I guess. I'm not too knowledgeable about the different numbers but from what I read on page one 80 would be good for the hybrid swap I got coming up.

isaachayes · Posted: Tue Apr 15, 2008 3:14 pm Post subject:

80 is pretty good. It's stiffer than rubber and yet gives some still for reduced vibrations. 90 is gonna be really hard and not move much at all. Think close to solid. 60 would probably be good for a DD that doesn't want any vibration but some firmness over stock. Stock isn't solid rubber either so that allows more movement.

The ones in the 92+ L bodies have a ton of space for movement. All that movement is the engine rotating and you not moving. Once the engine finally stops rotating then the wheels can rotate. LOL I noticed a big difference in my car. It just moves off the line instantly like it's geared lower and cruising you press the pedal a little and you feel the car move forward. It actually helped my cruise control pull up hills better since it's more responsive and reacts faster.

joelallenclear · Posted: Tue Apr 15, 2008 6:13 pm Post subject:

Sounds to me like 60A 's are too close to stock.

I'll hop on the bandwagon and say 80A FTW and I'm in.

wite89z24 · Posted: Tue Apr 15, 2008 6:38 pm Post subject:

so the #'s compared to poly filled mounts with PL premium construction poly adhesive, whats comparable?

brinky · Posted: Wed Apr 16, 2008 8:12 am Post subject:

I filled brand new stock mounts with windsheild urathane, it worked for a year... now the mounts are wrecked, lol. # wont realy compare to filled mounts. Stock mounts are made of roughly Shore 60A (tire compound stiffness) but they have big gaps, so the mounts flex, and give a "confort ride" (altough the engine is sloping back and fourth breaking everything thats conected to it. I figured that the stock mounts just cant cope with a 3400. Pictures by the end of the week...

whitelightning2 · Posted: Wed Apr 16, 2008 8:19 am Post subject:

yah, the windshield urithane is about useless...

I wonder how stiff the lower control arm bushings that i used in my tranny mount are..

g-u-not · Posted: Wed Apr 16, 2008 9:51 am Post subject:

Just make solid mounts..........

gmfan83 · Posted: Wed Apr 16, 2008 11:30 am Post subject:

if there is still a set available ill take a set when you are done for sure. Im sick of messing around with stock mounts Shooting

Let me know please! I have a set of stock mounts that im gonna return if i can get a set of yours.

weston19 · Posted: Wed Apr 16, 2008 11:15 pm Post subject:

brinky · Posted: Fri Apr 18, 2008 9:02 am Post subject:

The sleves are backordered, so Im waiting on that, im gonna start making the jigs on the weekend. btw i have a crappy set of solid mounts for $50 if anyone is interested. So the mounts will be shipping out on friday, so have your payment ready, Im making a limited amount.

a94cavrider · Posted: Fri Apr 18, 2008 9:59 am Post subject:

I'M IN TOO AND THEY WILL WORK WITH A 3400 TOO RIGHT ???

luminaasg · Posted: Fri Apr 18, 2008 1:00 pm Post subject:

In the words of Adam West: "So it's a shouting match you want eh? Well game on Quahog...(shouts) I'm beating you...."

Also just for clarification will the sets that you are making now be shore 60A or 80A?

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