How much should engine tilt back in car when installed? - Yellow Bullet Forums

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Old 07-01-2012, 10:05 PM   #1
streetknight2
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Default How much should engine tilt back in car when installed?

I'm putting a 6.0 LS engine in a Fox body Mustang. I have the AJE K member with correct engine mounts. I'm trying to use the stock Mustang Transmission cross member and have everything lined up where it will bolt in.

However, it appears the engine is tilting back too far. I placed a protractor on the intake and it has 6 degrees of fall toward the back of the car. How much should it have? I put a 1/2" shim in between the transmission cross member and the mount. That got me to 3-4 degrees.

Just wanna make sure I'm ok before I get too far along with the build.

TIA
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Old 07-01-2012, 10:11 PM   #2
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Default Re: How much should engine tilt back in car when installed?

mine is at 4* in my fox body. my drive line is damn near strait all the way back. make sure if using a carb intake that it isnt tilted forward and throwing your reading off ect. i like to go off a valve cover
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Old 07-01-2012, 10:16 PM   #3
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Default Re: How much should engine tilt back in car when installed?

Thanks for the info. I'll check on the valve cover also. It just looks like it has too much "eyeballing" lol You can kinda tell from the pic of the mount it's got a small gap on one side at the top, this is where the engine is tilting down.



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Old 07-01-2012, 10:58 PM   #4
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Default Re: How much should engine tilt back in car when installed?

I usually put the rear of the engine 2 deg up in chassis I build.
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Old 07-01-2012, 11:04 PM   #5
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Default Re: How much should engine tilt back in car when installed?

Quote:
Originally Posted by Comax Racing View Post
I usually put the rear of the engine 2 deg up in chassis I build.
Meaning the balancer of the engine should be angled toward the ground, correct? Sorry I'm a dumb ass when it comes to this stuff.
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Old 07-01-2012, 11:33 PM   #6
john@dyno
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Default Re: How much should engine tilt back in car when installed?

It all depends on ride height.....line up the crank to the pinion at ride height..
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Old 07-01-2012, 11:40 PM   #7
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Default Re: How much should engine tilt back in car when installed?

there are a couple of factors involved depending on your combo. ride height, HP, are some
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Old 07-02-2012, 08:17 AM   #8
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Default Re: How much should engine tilt back in car when installed?

Quote:
Originally Posted by john@dyno View Post
It all depends on ride height.....line up the crank to the pinion at ride height..
Exact......hard to do in most cases of stock cars , but that is the best.....crank straight in line with pinion.
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Old 07-02-2012, 09:08 AM   #9
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Default Re: How much should engine tilt back in car when installed?

Thanks guys. It just seemed extreme. The car should make around 450 RWHP on motor.
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Old 07-03-2012, 01:24 AM   #10
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Default Re: How much should engine tilt back in car when installed?

If you can adjust the angle, the crank centerline and tranny output shaft should be pointed at the diff pinion. The engine could be pointed up or down to achieve this depending where the pinion is located in the chassis.
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