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Old 10-02-2010, 11:16 PM   #1
LEEVON
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Carb'ed 5.3L build

I want to share my 5.3L build. I started with a 60K miles 5.3L, it had the intake but no accessories other than the water pump. It will be going in a '50 chevy truck and I want an old school look, for that reason I chose to do an efi to carb swap. It will also be backed by an NP833 o/d 4-speed. Here is a complete parts list to date:

MSD 6010
Edelbrock Victor Jr. LS1
Comp XR265 212/218, .522/.529 on 114 cam
LS6 valvesprings
TSP 7.400 pushrods
Hooker LS1 ceramic coated headers
Barry Grant Speed Demon 650vs
PML Covers LS1 finned valve covers
f-body oil pan, pickup
f-body dipstick
f-body crank pully
f-body alternator, ps pump and brackets
universal LSx engine mounts (weld-in)
LS2 pilot bearing
4.8L/6.0L flywheel
80's truck 12" clutch kit
new crank bolt
new flywheel bolts
speedway motors sending unit adapters (metric to npt)

That's all I can think of and there are a few more parts to get. I can't wait to give ya'll the update on how this puppy runs. Should be a fun combo in this truck.





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Old 10-04-2010, 12:11 AM   #2
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Re: Carb'ed 5.3L build

Mmmmmm....pretty!

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Old 10-05-2010, 10:49 AM   #3
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Re: Carb'ed 5.3L build

I love everything about that. Especially that you're using that trans. I think that air cleaner looks soooo cool on top of that LS engine. Nice work.
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Old 10-05-2010, 10:18 PM   #4
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Re: Carb'ed 5.3L build

I'm not big on the oilbath....but that looks sweet! Where did those valve covers come from? you going to mount the coil packs in the rear...if so which kit?
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Old 10-06-2010, 09:45 AM   #5
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Re: Carb'ed 5.3L build

I'm going to mount the coil packs behind the engine and low, I'll just make a bracket. You can use all-thread, some nuts and a couple of tabs.

As for the oil bath, that's ok, I'm not 100% on it yet. I think it will make more sense when the truck is all done and together though. Didn't want to do chrome, cadillac is overdone, dual snorkel not so much, I'm keeping my eyes open for one of this style:

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Last edited by LEEVON; 10-06-2010 at 09:46 AM.
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Old 10-06-2010, 10:01 AM   #6
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Re: Carb'ed 5.3L build

Awesome! Love it!
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Old 10-06-2010, 12:27 PM   #7
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Re: Carb'ed 5.3L build

Dunno, I really like the oil bath! That motor might pull enough air though that the oil would soon follow!!!
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Old 10-06-2010, 01:38 PM   #8
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Re: Carb'ed 5.3L build

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Originally Posted by Oilbrnr View Post
Dunno, I really like the oil bath! That motor might pull enough air though that the oil would soon follow!!!
Let's hope it's pulling vaporized gasoline/air at a perfected stoichometric ratio! Well, maybe I'll just make the air cleaner a surprise then, something to keep 'em guessing. IF I do use it I'll be converting to a paper element and drilling 1" holes around the bottom for airflow.
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Old 10-06-2010, 01:42 PM   #9
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Re: Carb'ed 5.3L build

i have/had one of those lying out in my shop.... i can see if it is still there.. if your interested... it my just be a 2 barrel, tho
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Old 10-25-2010, 03:23 AM   #10
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Re: Carb'ed 5.3L build

WHOA!!!! that looks killer, whered you get the valve covers?????
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Old 10-25-2010, 05:41 AM   #11
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Re: Carb'ed 5.3L build

Nice set up
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Old 10-25-2010, 11:21 AM   #12
LEEVON
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Re: Carb'ed 5.3L build

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Originally Posted by Slammed66 View Post
WHOA!!!! that looks killer, whered you get the valve covers?????
thanks! http://www.yourcovers.com/valve_covers_10413.php

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Originally Posted by Pop's C-10 View Post
Nice set up
appreciate it!
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Old 10-25-2010, 08:54 PM   #13
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Re: Carb'ed 5.3L build

Looks sick I like it.
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Old 10-31-2010, 07:42 AM   #14
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Re: Carb'ed 5.3L build

very sweet! looking good Leevon!!
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Old 11-08-2010, 09:03 PM   #15
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Re: Carb'ed 5.3L build

what fuel regulator/pump did you use for your setup??
do you know if the stock fuel pump would work?
thanks kev
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Old 11-08-2010, 09:38 PM   #16
LEEVON
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Re: Carb'ed 5.3L build

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Originally Posted by kvn1011 View Post
what fuel regulator/pump did you use for your setup??
do you know if the stock fuel pump would work?
thanks kev
LSx engines don't have provisions for a mechanical fuel pump. The Demon carb I'm using requires the typical 6-7psi fuel pressure so I'll be using something like the Holley Red or equivalent mounted close to the fuel tank with a good filter. I'm still using the in-cab tank, sending unit and gauge (converted to 12v of course).
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Old 11-13-2010, 10:41 PM   #17
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Re: Carb'ed 5.3L build

what ignition system?
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Old 11-13-2010, 11:21 PM   #18
LEEVON
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Re: Carb'ed 5.3L build

MSD 6010, it's a stand-alone controller for LSx engines. Has connections to the coil packs, crank and cam sensors, MAP sensor, 12v, tach and ground. Best part is that you get to set the timing curve with a laptop.
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Last edited by LEEVON; 11-13-2010 at 11:24 PM.
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Old 03-02-2012, 01:43 PM   #19
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Re: Carb'ed 5.3L build

Quote:
Originally Posted by LEEVON View Post
MSD 6010, it's a stand-alone controller for LSx engines. Has connections to the coil packs, crank and cam sensors, MAP sensor, 12v, tach and ground. Best part is that you get to set the timing curve with a laptop.
Is this the ignition you used? http://www.jegs.com/i/MSD+Ignition/121/6010/10002/-1

Hows this thing coming along, been awhile???
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Old 03-03-2012, 03:59 PM   #20
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Re: Carb'ed 5.3L build

That is just awesome! a friend of mine just crashed his 2002 GMC sierra and bent the frame on the back portion of the truck but the engine still purrs along nicely, so I may just pick it up from him with the tranny. I wonder how easily a MegaSquirt III would connect to the stock connectors... Either way, very nice looking set up there! I like the color you painted the block and how you made something new look retro!
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Old 03-03-2012, 06:26 PM   #21
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Re: Carb'ed 5.3L build

Nice build LEEVON! I have been following, & have a ? or 2 ! I have a 5.3 going in my 69(weather pending). I plan to run the old 1st gen bell, & see that you used a fly wheel from Oreillyes. Was the pilot a Gm PN? Also, what starter did you use? Its my 1st rodeo , on the 3rd gen Chevy....need as much help as I can get crazyL
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Old 04-19-2012, 01:51 AM   #22
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Re: Carb'ed 5.3L build

Just came across this thread while looking for info on intakes and cams for the same motor swap on my 55 2nd. Do you have this on the road yet? If so how are its street manners with that intake and cam combo? I really like the looks of your motor with the Victor Jr. on it. But I'm worried about how much low end torque I'd be missing out on by not going with a dual plane intake. Then again, I've never ridden in a classic truck with a 5.3 and don't know if I would even notice it.
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