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#1 |
Registered User
Join Date: Oct 2005
Location: Florence, AL (NW Alabama)
Posts: 309
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5.3 In My '72 Question
This question is for everyone that has installed the later 99-up 5.3 into their trucks. I want to know everything it is to know on the installation to install the 5.3 into my truck. What things I need, parts I have to buy and where do I get the parts. When I build my truck I want to drive and enjoy it. I want it to get good gas mileage, I don't care for the add-ons that make it fast. Stock horsepower is fine with me, cause they got to be more powerful than the 175 hp rated on the old 350's. And of course get better gas mileage.
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1990 Chevy Silverado (My DD) 1978 Chevy Bonanza LWB (My LWB to SWB 1 day project) 2015 Hyundai Sonata (Wife's DD) |
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#2 |
Registered User
Join Date: May 2006
Location: So.Cal
Posts: 542
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Re: 5.3 In My '72 Question
Try this link:
http://67-72chevytrucks.com/vboard/f...play.php?f=206 |
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#3 |
Registered User
Join Date: Nov 2008
Location: Oklahoma City Oklahoma
Posts: 431
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Re: 5.3 In My '72 Question
You can look in the LS swap section under Engine & Drivetrain and find a wealth of information. I read almost every build thread I found in there before I started mine. I could make you a list of the things I had to get for mine, but I'm sure I would leave something out, plus I'm sure I still need some things I haven't thought of yet. This is a good thread, I read it a dozen times. http://67-72chevytrucks.com/vboard/s...d.php?t=377348 Good luck with your swap!!
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My build thread - http://67-72chevytrucks.com/vboard/s...d.php?t=391224 |
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#4 |
Vintage 4x4s
Join Date: Sep 2010
Location: Prior Lake, MN
Posts: 4,305
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Re: 5.3 In My '72 Question
The earlier ones had an older version of the Dorman intake manifold that would leak at the flange to the block after a few years. I had a 99 5.3 with this issue and upgraded to the newer one. I'm not sure when they switched, maybe around 02. The truck would not idle in cold temperatures until I swapped manifolds. It was $250 or so for a new one. Great engine other than that even for the first year and would love to have one in an old truck.
__________________
67 GMC K1500 Custom- 305V6 SM420, PTO, Ram Assist, yellow (the outcast) (project period correct upgrades) 67 GMC C2500 351V6 TH400, AC, PS, PB (can't decide what to do with. Update, decided to keep and will restore ![]() 86 CHV K30 502 th400, apple red NEW 71 CHV K20 350 SM465, ochre (saved work truck) 71 CHV K20 292 SM465, white, tach, PTO, (future project) 72 CHV K20 350 350th, medium blue (project stocker) 01 CHV K2500hd crew, indigo blue ^3 dont run and the others don't see winter either '86 K30 Cummins "Fireside" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=649649 '71 K20 "get driveable" thread: http://67-72chevytrucks.com/vboard/s...d.php?t=590642 '72 K20 Build Thread: http://67-72chevytrucks.com/vboard/s...=493477&page=6 |
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