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Thread: Fuel Injection Conversion
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04-02-2005 #1
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It's actually an easier conversion with the Vortec heads since the bolt patern is the same as the LT1 head.
Take another look at the www.lt1intake.com site.
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04-02-2005 #2
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Thanks for all the info. Its very much appreciated.
Dave
04-03-2005 #3
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Ummm, if you look at the FAQ section on your link is says the Vortec heads will not work, along with a pic showing why not.
Originally Posted by Richz68
It's actually an easier conversion with the Vortec heads since the bolt patern is the same as the LT1 head.
Take another look at the www.lt1intake.com site.
Brian D
Snotty Bimmer driver.
04-03-2005 #4
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Why not raise the ports on the LT1 Intake? You should be able to add material to the manifold and then port match. If it physically bolted to the head you'd be set. This is a lot of fab work though.
04-03-2005 #5
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From that link- Originally Posted by nancejd
The LT4 is a raised port LT1, no?The LT4 intake will not fit Vortec heads either. This is due to the Vortec bolt pattern is way too high on the head for the intake.Brian D
Snotty Bimmer driver.
04-03-2005 #6
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Not exactly. The LT4 manifold has flanges that are taller, but internally it is the same as an LT1. In order to actually enlarge the ports, you have to add material to the outside of the manifold, and then port to get the match.
04-03-2005 #7
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The ports have nothing to do with it. The Vortec heads used a unique bolt pattern for the intake manifold. The pattern is easy to spot, it uses 8 bolts that are vertical.
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04-03-2005 #8
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If you're doing that much fab work anyway, you could always redrill the manifold for a different pattern. It definately isn't a bolt on by any stretch, but it could be made to work though, but how much would you have into a "cheap" manifold by then anyway. Is there any advantage to using that style of intake in comparison to a four barrel style manifold converted to injection? There are plenty of Vortec manifolds out there.
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