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l76 oil pump swap

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Old Nov 20, 2014 | 05:29 AM
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Default l76 oil pump swap
will a ls2 oil pump fit a l76? last part i need for my dod delete and cam swap and just want to be 100% sure.

also, will ls3 valve springs work with my heads?
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Old Nov 20, 2014 | 06:29 AM
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Yes, the oil pump will swap over.

What springs will work depends on the cam you have. If you have an aftermarket cam, chances are that you need aftermarket springs as well.
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Old Nov 20, 2014 | 06:35 AM
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Originally Posted by KCS
Yes, the oil pump will swap over.

What springs will work depends on the cam you have. If you have an aftermarket cam, chances are that you need aftermarket springs as well.
thanks for the reply.

decided just to run a ls3 cam for now until i get a blower.
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Old Nov 20, 2014 | 08:14 AM
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Originally Posted by 06vzssthunder
thanks for the reply.

decided just to run a ls3 cam for now until i get a blower.
In that case, the stock LS3 springs should work fine.
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Old Nov 20, 2014 | 07:28 PM
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Don't L76s have L92 heads? So they will have the SOLID intake valve. LS3 springs won't cut it. TIFWIW
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Old Nov 20, 2014 | 08:51 PM
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Originally Posted by Jimbo1367
Don't L76s have L92 heads? So they will have the SOLID intake valve. LS3 springs won't cut it. TIFWIW
is it worth swapping to ls3 intake valve then? i seen a few people do it. also what about exhaust valve?
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Old Nov 21, 2014 | 02:20 AM
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so will i have to get the ls3 valve stems or not? don't want to pay the $200 unless i have to.
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Old Nov 21, 2014 | 07:27 AM
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The LS3 intake valve has a hollow stem. I'm going to swap them on my stockfish LY6 for insurance. $20o.oo is CHEAP for a piece of mind. One guy (Tiresmoking in CONVERStION section) did his and lapped them in. No need to have a shop do a VJ if they are in good shape.
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Old Nov 21, 2014 | 07:56 AM
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Originally Posted by Jimbo1367
Don't L76s have L92 heads? So they will have the SOLID intake valve. LS3 springs won't cut it. TIFWIW
What springs do you think come on the L92 heads?
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Old Nov 21, 2014 | 08:26 PM
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Originally Posted by Jimbo1367
The LS3 intake valve has a hollow stem. I'm going to swap them on my stockfish LY6 for insurance. $20o.oo is CHEAP for a piece of mind. One guy (Tiresmoking in CONVERStION section) did his and lapped them in. No need to have a shop do a VJ if they are in good shape.
$20 each + postage to Australia seems abit much for something that will be no good for when i start running boost. maybe im better of just getting the pac 1219 valve springs and then im good for when i want to upgrade the cam to something bigger?
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Old Nov 21, 2014 | 08:38 PM
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Originally Posted by Jimbo1367
Don't L76s have L92 heads? So they will have the SOLID intake valve. LS3 springs won't cut it. TIFWIW
i dont get how that works though since the ls3 springs are better then the stock l92 ones? i guess since the extra lift?
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Old Nov 22, 2014 | 07:43 AM
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Originally Posted by KCS
What springs do you think come on the L92 heads?
ARE THEY THE SAME SPRING? I figure they would be different.
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Old Nov 22, 2014 | 11:41 AM
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Originally Posted by 06vzssthunder
i dont get how that works though since the ls3 springs are better then the stock l92 ones? i guess since the extra lift?
With the hollow stem valves, the LS3 doesn't need as much spring load as an engine with solid stem valves to control everything, but it did get slightly stiffer springs.

Originally Posted by Jimbo1367
ARE THEY THE SAME SPRING? I figure they would be different.
The LS3 has LS6 springs. They have a little more open pressure than the L92/L76 springs but the same seat pressure.
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Old Nov 23, 2014 | 03:28 AM
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Originally Posted by KCS
With the hollow stem valves, the LS3 doesn't need as much spring load as an engine with solid stem valves to control everything, but it did get slightly stiffer springs.



The LS3 has LS6 springs. They have a little more open pressure than the L92/L76 springs but the same seat pressure.

Guess i better order some ls3 valve stems then.

Cheers.
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