ls7 swap
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From: hennessey oklahoma
ls7 swap Do to a bad cam turning my 13k mile motor into trash
and im pretty sure im going to get screwed on the deal
Im putting an ls7 in my camaro. I know I have to switch oil pumps and pans but everything else should bolt up. I also believe there is one electrical connection that wont work, but Im not sure which one so if someone knows which one where can I buy it let me know. I also would love any tips that will help with the swap if anyone has any.
and im pretty sure im going to get screwed on the deal Im putting an ls7 in my camaro. I know I have to switch oil pumps and pans but everything else should bolt up. I also believe there is one electrical connection that wont work, but Im not sure which one so if someone knows which one where can I buy it let me know. I also would love any tips that will help with the swap if anyone has any. the cam sensor is in the front. I have a ls7 also. I'm converting mine to wet sump and some needs to be taken of the end of the crank of the 7. The knock sensor may also need a extension harness.
He's right, the snout on the LS7 is different for that dry-sump setup. Someone makes a spacer that allows you to run that LS7 crank with your standard wet-sump crank pulley though (sorry don't remember who off the top). Cam and knock sensors will be the same and in the same location LS7 to LS3, so no worries there. You'll have to get under the front cover (which I believe gets changed to the regular LS2/3 cover) and change to a standard wet-sump style oil pump as well. Change the pan, windage tray, etc.
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
Thread Starter
On The Tree
Joined: Jan 2006
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From: hennessey oklahoma
scoggin dickey parts is the dealer for all the wet sump conversion parts i ordered the spacer and a ls3 lower timing gear a new chain and a new crank bolt and oil pan seal and o ring for the pickup tube the rest i should be able to get off my cratered ls3 well that is if theres no carnage inside the pan
Thread Starter
On The Tree
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From: hennessey oklahoma
okay so i figured out its the map sensor that has to be switched and an ls7 connector wired in and the controller reprogramed anyone out there have a different opinion on this ?
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From: Battlecreek, MI / Mansfield, OH
Thread Starter
On The Tree
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From: hennessey oklahoma
comes out the top there is a brace on the bottom thats welded in no way to get it out the bottom i should have it out tomorrow and start the wet sunp conversion tuesday when my parts get here and have the ls7 in next weekend i hope
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From: Battlecreek, MI / Mansfield, OH
dang, that will be some fast work! Take some time to snap some pictures of the swap please!
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On The Tree
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From: hennessey oklahoma
ill try to get some pics,we had a lot of picsduring the cam change so that will show most of it.---old motor is out it wasnt to hard, tore it down this afternoon for parts to change the ls7 over to wet sump hopefully my seals bolts and spacers come in on time tuesday. Had to order bigger injectors for the ls7 because of the cam thats in it so that sucked another wad of cash out of my wallet.
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From: hennessey oklahoma
well the up date is no update really in the middle of the conversion but am going to the shop to work on it tonite (parts came in today) so should be able to finish and get the motor stabbed hopefully tonight, then this weekend will try to blolt accesories on and fire it up. I am still waiting on some injectors since the ls7 is cammed my local tuner is saying the duty cycle will most likely be high. He may have just wanted to sale me fast injectors lol. but with any luck maybe this weekend. I really am wishing my f'n ls3 hadnt got chewed up this is more time consuming that i have time for right now but i guess hp is always expensive and time consuming.
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On The Tree
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From: hennessey oklahoma
got it in need a fuel line bracket for an ls7 the bolt holes on the intake are not the same distance as the ls3 so the ls3 bracket no workie on the new motor but all in all pending the motor doesnt have any issues from the sump conversion not too bad an install should be quite nice i really hope the original engine cover fits mines custom painted and I really dont want it to say corvette under the hood. May send off some z06 plastic to have it smoothed over and airbrushed if mine wont work
Last edited by hennesseycpl; Apr 3, 2011 at 01:08 AM.
