LLY: will LB7 intake mainfolds work on LLY?

bonomax

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Dec 27, 2011
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Hermitage, PA
will LB7 intake manifolds work on LLY? the LLY has no EGR at all. so will there will be any interference with the turbo and or fuel lines? I see from pictures LLY intake manifolds have indent on each manifold and LB7 do not.
 

bonomax

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Dec 27, 2011
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Hermitage, PA
up top looks like from pictures that exhaust manifolds will hit. anyone every try stock LB7 intake manifolds with a stock LLY turbo?
 

IOWA LLY

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The fuel rails from an LLY wont bolt on to LB7 manifolds.

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bonomax

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Dec 27, 2011
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Hermitage, PA
hmm yea thats good point. prolly cant run those not bolted down, hm.... well looks like looking for set LLY manifolds. if anyone has set let me know. thanks well that ends this thread, ha.
 

schulte

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Jul 31, 2010
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LB7 runners are the "best" flowing stock from what I've read (no depressions in the back to allow for the larger VVTs in LLY+). LBZ runners have the larger inlets at the Y bridge but still have to allow clearance for VVT.

Correct that LB7 rails will not bolt to LLY. I tried and they weren't close.
 

bonomax

Member
Dec 27, 2011
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Hermitage, PA
Thanks for info. That's what I thought. I know that bout Lbz bigger but idk how Lbz y bridge wud work exactly with lly or lb7 boost tubes and I got profab 3 inch Lly ybridge already and lly banks boost tube for good deal used.

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