LT1-LT4 Modifications 1993-97 Gen II Small Block V8

help with header install

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Old 02-13-2011, 01:18 PM
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Default help with header install

i bought some ebay lts cuz i could not afford anyothers and couldnt find any used so im having a great time installing them. i have searched threads and got some good info but i just wanted to make sure they are supposed to go in from the bottom and whats some tricks from those of u who have had this experiance, thanks
Old 02-13-2011, 03:09 PM
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All cars are different so your going to have mixed input. I put the drivers side in from the bottom and the passenger side from the top with unbolting the motor mount and jacking it up and slid right in. You will have to remove the alt, starter, and steering knuckle to get them in. Its also easier to unbolt the power steering pump to gain better access to the front header bolts. Use Felpro 1074s header gaskets and Arp header bolts and you will be set. Not sure if those headers come with band clamps or not but they would also be needed for a better seal matting the y to the headers and better clearance.
Old 02-13-2011, 03:16 PM
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i have seen some go in easy and othere be a pita. Clearance will be the biggest issue, you might have to pull the driver side out a few times to make them fit better. I also like to unbolt the passanger side motor mount and jack that side up a little bit fr easier installation.
Old 02-13-2011, 05:14 PM
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i just put my motor in so nothings in the way but i might take the bolt out of the motor mount and lift it up, u said u put the passenger side in from top?
Old 02-13-2011, 05:18 PM
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yes this is why the motor needs jacked up so it will slid down into place.
Old 02-13-2011, 05:18 PM
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i got both of mine in from the bottom but i had my front end jacked way up like 3 ft or so, then just point them upwards and kind of hook them in.
Old 02-13-2011, 05:43 PM
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Hi,
i agree with transporter. Install from bottom w/front raised to allow access from top/bottom. Recruit a friend to help hold everything in place. Do a loose fit until all bolts are installed then tighten to specs. The passenger side rear is the most difficult but can be overcome with a little twisting of the hand
as you work from the top. Driver side may have clearance issue with steering knuckle if so, a little love tap with a dead blow hammer and dolly. Double check your bolts for torque specs. Install exhaust check for rattles and rubbing issues. Rear o2 simulators???????????have a blessed day....
Captain jim
Old 02-13-2011, 07:30 PM
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Another vote from the bottom with the car jacked up about 3 feet
Old 02-13-2011, 07:34 PM
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driver side top, passenger side Bottom
Old 02-13-2011, 07:46 PM
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Both sides went easiest from the bottom for me but, I had a lift to do it on. Put them in with the spark plugs out and watch out for the coolant temp sensor so you don't break anything.
Old 02-13-2011, 11:50 PM
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Originally Posted by 05HD
Both sides went easiest from the bottom for me but, I had a lift to do it on. Put them in with the spark plugs out and watch out for the coolant temp sensor so you don't break anything.
Mine went from bottom also.
Old 02-13-2011, 11:55 PM
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Did both in my 95 Z28 from the bottom..



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