Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Old Jun 4, 2008 | 09:32 AM
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Yes I have done searches for days on here so please dont say use the search function. I am getting ready to start putting my lsx setup in my 89 couple but there are two things that I dont get. FIrst what are you guys running as far as fuel system and was the approximate cost? Second what did you do about a speedometer? I will be running a 4l60 trans. Thanks
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Old Jun 4, 2008 | 09:58 AM
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i used a sumped stock tank, aeromotive external EFI pump, and a vette filter/regulator with 6AN lines. i made a gauge panel and used an autometer speedo. the link to my build is in my sig.
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Old Jun 4, 2008 | 11:47 AM
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Thanks for the reply.
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Old Jun 4, 2008 | 05:23 PM
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I used a 14 gallon aluminum fuel cell, with 8-AN stainless braided hose to a holley fuel pump and holley fuel pressure regulator. That goes into my Barry Grant 750cfm carb. It cost me around 400 for everything .
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Old Jun 4, 2008 | 05:59 PM
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Is the speartech harness necessary or can it be done at home?
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Old Jun 4, 2008 | 06:02 PM
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It can somewhat easily be done at home, there's not much to the wiring
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Old Jun 4, 2008 | 06:35 PM
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Ok thanks. Any tips? I have searched for weeks on here.
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Old Jun 4, 2008 | 07:37 PM
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I used the stock fuel pick up with a walbro 255 pump. Where the hoses connect onto the pick-up they are necked down. I cut them off and welded on a length of 3/8 hard line to both the supply and return. I then used 3/8 hard line to AN adapters and ran my braided line. I also used the vette filter/regulator with 6AN lines as lt4malibu did.

As far as the speedo, I used the whole F-body gauge cluster. All of the gauges work but the fuel level, and I just bought a piller pod and mounted an autometer fuel level gauge in it. The Speartech harness is nice. I know enough about wiring to get me hurt, that's why I went the Speartech route. He takes out all of the un-needed crap and makes everthing nice and clean. As I said in the pm, you hook up a Hot, Ground and a Switched and it's running. All of the wires for my gauges,fuel pump (with relay), and fans are pulled and labeled too.

I'll try to get you a few picks when I get home in the morning.
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Old Jun 4, 2008 | 07:38 PM
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lol Or you can just buy mine and be done........
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Old Jun 4, 2008 | 11:56 PM
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GTO cluster fits well too...

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Old Jun 6, 2008 | 09:39 AM
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So will I be able to use the stock harness for the 6.0 truck engine I bought, it came the 4l80e and pcm that I will be using. I know I will changing to a ls6 intake so any help is appreciated.
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Old Jun 6, 2008 | 11:16 PM
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i sent my harness to wait4meperformance and they cut mine down to a standalone unit its cheaper than the speartech but there is more to the wiring on your part but its not that bad
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Old Jun 7, 2008 | 02:45 AM
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How much did he charge you? On their site I cant find the price for just harness modifcation, only the price with a tune which I will not need.
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Old Jun 7, 2008 | 04:49 PM
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Originally Posted by Scoggin Dickey
It can somewhat easily be done at home, there's not much to the wiring

Do i need to order one of these?
http://cgi.ebay.com/ebaymotors/LT1-L...spagenameZWDVW

Also do I need to change over to camaro coils instead of these truck ones that came on my 6.0? Can I still use my factory 6.0 harness or does it need to be from a camaro? I will not be running ac or ps.
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Old Jun 7, 2008 | 04:55 PM
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Originally Posted by mulletnotch
GTO cluster fits well too...

I will prob. use the cluster from a camaro, I know I will need to get the harness for it also. but my question is where do I splice the factory harness into? How will the speedo read?
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Old Jun 9, 2008 | 08:43 AM
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Anyone?
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Old Jun 9, 2008 | 10:36 PM
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Thie pretty much eliminates the need for a sump and fits the factory fuel pump location, an a1000 and aeromotive regulator + -10 feed and -8/-6 return works great. Pretty simple to plumb a mustang!
http://store.summitracing.com/partde...5&autoview=sku
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