Re: engine tilts aft a lot how to fix
[Re: Jim_Lusk]
#2894241
02/28/21 11:28 PM
02/28/21 11:28 PM
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Joined: Dec 2005
Posts: 12,318 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 12,318
Fulton County, PA
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On a stock body I use the rocker as a reference. bottom of the rocker/pinch weld. Engine/trans will be 3 degrees tailshaft down on normal mounts from the rocker. Do not use the carb flange unless you have confirmed it to be square with the pan rail. Pan rail, bell housing or block front machined surfaces. Use a decent digital protractor.
If the results don't match the theory, change the theory.
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Re: engine tilts aft a lot how to fix
[Re: CMcAllister]
#2894378
03/01/21 01:28 PM
03/01/21 01:28 PM
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Joined: Mar 2005
Posts: 1,573 Michigan
Kiddart
pro stock
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pro stock
Joined: Mar 2005
Posts: 1,573
Michigan
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if the motor is all assembled you can use your balancer to get the angle as well.
Thank you Kiddart
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Re: engine tilts aft a lot how to fix
[Re: frank]
#2894842
03/02/21 03:05 PM
03/02/21 03:05 PM
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Joined: Jun 2008
Posts: 3,916 usa
lewtot184
master
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master
Joined: Jun 2008
Posts: 3,916
usa
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I never knew that about intakes. Maybe this engine is within limits on the aft tilt. It just "looked" out of kilter. The engine alignment (side to side) issue is fixed. I did just what you said but I had to loosen the passenger side mount to make things right. Everything is bolted up and torqued down now. The last thing is to confirm engine tilt with the digital angle gauge. see if you can find a newer edelbrock catalog or maybe the info is online. it will explain everything about the manifold dimensions. as an example; a 6pak intake has the back of the rear carb pad about an inch higher than the front of the front carb pad. that's going to figure about 3-4 degrees. something else to do when the car is on the floor put a 3/8" spacer under the back of the injection unit (front of injection unit will sit on the manifold) and then check with a level.
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Re: engine tilts aft a lot how to fix
[Re: poorboy]
#2895189
03/03/21 01:08 PM
03/03/21 01:08 PM
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Joined: Sep 2003
Posts: 20,272 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 20,272
north of coder
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the problem with using a tapered carb spacer is that it does not allow the retaining fasteners for the carb to apply even pressure on the carb's ears, thus increasing the chance of the ears to break or crack. this is because the threads are machined perpendicular to the carb mounting point. the only way for a tapered spacer to be used properly, would be to machine tapered washers that would index correctly to the base fasteners so the retainers would apply uniform clamping pressure on the ears.
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