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| | | | Joined: Aug 2007 Posts: 116 Shop Shark | | Shop Shark Joined: Aug 2007 Posts: 116 | I am installing a 261 in my 39 pick up that i have already installed a ifs in the front end. i had to cut away part of the original motor mount in front. I am now going to fabricate a new front mount. My question is this: is there an angle at which the engine should tilt towards the back?
any help would be great
thanks
matt
http://www.flickr.com/photos/50657267@N08/sets/
1939 1/2 ton Resto-mod
1937 1 1/2 ton Is in the driveway
| | | | | Joined: Nov 2005 Posts: 6,100 'Bolter | | 'Bolter Joined: Nov 2005 Posts: 6,100 | Hy fatboy0169, with the truck at ride height the carb mounting flange should be level, hope that helps. | | | | | | Dave Giorgi Unregistered | | Dave Giorgi Unregistered | Hi Fatboy0169,
Ditto "3b", the carb must be level for the float to work properly.
Dave | | | | | Joined: Jul 2005 Posts: 2,031 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 2,031 | see: inland empire driveline service http://www.iedls.com/ptsetup.html
Jim & Caroline
The highway is for gamblers, better use your good sense."
Gooday-that's my 1¢ answer due to the lousy economy ~ cause I ain't got - no . mo . doe
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| | | | | Joined: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | Set the engine in to where it looks right and DON'T worry about the bubble in the level being exactly between the marks. If the carb had to be perfectly level then vehicles couldn't run uphill, downhill, or on a side slant. No one in San Francisco could have a car. One should have the centerline of the crankshaft close to the centerline of the pinion to prevent driveshaft vibration and wear. There is a lot of posts on this subject but basically you can get a $15 angle finder from Home Depot and set the pinion yoke so it's a degree or two down from the reading you get from the transmission output shaft. This allows the needle bearing in the U-joint cups to roll and prevent flat spots. Take your time, measure carefully (twice), and your project will turn out fine. Good luck
Evan
| | | | | | Dave Giorgi Unregistered | | Dave Giorgi Unregistered | Mounting the carb flange "level" will give you a 3 degree angle needed at the tailshaft of the transmission which is correct. Check your factory engine and you will see that the carb flange is level from front ot back and side to side. Even though driving up and down for a few hundred yards will not make a noticeable difference it will on a normal long straight a way. Do it the correct way and mount that carb flange level, front to back and side to side.
Dave | | |
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