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If you have Sportsman II's and an LT1 manifold come on in!

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Old 01-14-2008, 09:09 PM
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If you have Sportsman II's and an LT1 manifold come on in!

I am looking for some pictures of where the material was added to the manifold to make it seal correctly. I have a guy that will do the welding for me for free but he would like pics of where it needs it and how much. Any and all help would be greatly appreciated! Thanks in advance!!
Old 02-11-2008, 06:59 PM
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Re: If you have Sportsman II's and an LT1 manifold come on in!

Originally Posted by groundrat
I am looking for some pictures of where the material was added to the manifold to make it seal correctly. I have a guy that will do the welding for me for free but he would like pics of where it needs it and how much. Any and all help would be greatly appreciated! Thanks in advance!!
I'm running Bow tie Phase3 iron heads,had to add material to the intake at all 4 water ports,I used jb weld,made a small mold with plastic and duct tape after it drys perfect,works great no problems.
Old 02-11-2008, 07:23 PM
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Re: If you have Sportsman II's and an LT1 manifold come on in!

JB Weld huh. That would seriously kick ***! How long has yours been up and running?
Old 02-11-2008, 09:58 PM
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Re: If you have Sportsman II's and an LT1 manifold come on in!

Few pics of mine

Material was added at the water jackets
Material needs to be added to the intake ports because my heads are gi-normous
I dont know about sportsman II's but thes raised runners (Topline) need modification



Old 02-11-2008, 10:04 PM
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Re: If you have Sportsman II's and an LT1 manifold come on in!

Another thing to think about

If you have heads with EGR passages you may want to add some material because the LT1 intake lacks it completely and will allow exhaust gases to dump into the lifter valley

Pics of what i mean
TPI vs LT1


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