67 bagged and want a 5.3, but need help!

[The Big Green]

I have a 67 laying body on 22/24, 2.5in Z, 350/400t, and so on. I really like the idea of a possible 20mpg average so thought Id 5.3 it. Ive got leads on 2004ish 5.3 auto trans for $1400. I have 73-87 frame mounts and a custom 3spd 350/400t tranny mount, tranny tunnels raised. What parts do I need to drop it in and get it mounted besides trimming the frame? Will the tranny and oil pan clear easily on a bagged 67-72?
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[BR3W CITY]

adapter plates for the motor mounts, drill new holes and move trans mount to new spot (depending on where engine sits), wiring harness, pcm, tac and pedal IF its dbw, driveshaft cut to length, any misc sensors that were damaged or not working, fuel pump (possibly new tank depending on choice of pump and current tank style).

Thats a start, but there are things like gauges, shifter etc that may need work depending on what parts you choose.

[The Big Green]

Well I found a setup I think. I hope I can do this swap.
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[The Big Green]

Backed out, it was a 2002 with 197,000 miles.
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[BR3W CITY]

probably a good idea, that guy was smoking freebase if he thinks its worth that.

car-part dot com
you can't not find one on there prob 1/2 of us have sourced them on there.





side note....the freebase thing was a weird reference, too many 80's movies this weekend I guess...

[BrutonLS1]

Motor adapter plates are pricey. I built my own, I can give you the measurements if you want.

[The Big Green]

Thats a salvage yard, said they may get another tomorrow or it may be a while it depends. He thought it had had 135,000 which isnt too bad. He said theres a month warranty but I can hear it before they pull it. Said $1100 if it had had the 135,000 on the 2002.
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[Clyde65]

IF it were me, I would get a newer motor and throw the DBC intake on it( if that is what you want), also call LKQ, that is where I bought my motor from. I got a 4.8 with 7K miles for under 600. it has plenty of power for me and it gets good MPG.

[The Big Green]

LKQ?
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[Clyde65]

yep there is one near you I am sure. LKQ.com

[Clyde65]

yep there is one near you I am sure. LKQ.com

they have one in Fayetteville.

5.3's 1000-1250.
4.8's 900
6.0's 12-1500

[The Big Green]

Its not showing any but you have to search a specific year and model. Are the prices you posted engines only for sale or everything?
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[BR3W CITY]

imo he's still asking too much for it.
Besides at 135k its not the engine that I'm worried about....it probably has a 4l60e behind it, which at that high mileage doesn't exactly have much life in front of it when put behind a v8 in a performance car.

I just blew up another 4l60e....in a freaking 4.3 blazer...

[The Big Green]

The more I sit and think the more I like the fresh rebiult 350/400t thats in it, basically I wanted the 20ish mpg the 5.3 may get over my stock 350's 13mpg lol.
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[The Big Green]

Well cant find my engine anywhere. Im going to keep my 350 and cam it up and put taller than 4.11 gears. I should get decent mileage I hope.
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[Clyde65]

Consider Puting a 700 or 200 4 speed tranny, keep the 3.73's and you can get better mileage then. Or throw aftermarket EFI on your 350 with the 4speed auto.
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[Clyde65]

Consider Puting a 700 or 200 4 speed tranny, keep the 3.73's and you can get better mileage then. Or throw aftermarket EFI on your 350 with the 4speed auto.

Also the prices I showed we're for a 2005 only the motor. You can call them and see what they will do for and entire pull out. If it were me, I would go for a 04-07obs and under 50k.
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[68GMCCustom]

I've got a cheap used 200-4r if you decide to go that way.
Needs freshening up is all.

[The Big Green]

I searched LKQ, Bayless in Springfield and they have nothing in a complete swap. He said call tomorrow because theyre going to an auction and may come across something. Its not that I dont want to try a 5.3 but maybe its a sign becuase I cant find one anywhere.
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[Clyde65]

did you look at Tahoes and Suburbans also not just trucks?

Since you called them, they might not. most recyclers pull the motors and trannys with low mileage and rack them to sell them as replacements.

[The Big Green]

I searched them all, but when I called I said any year 5.3.


Ok I need help lol. I got a friend with a 2002 Tahoe wrecked(bodyless), 5.3 4wd setup with 82,000 miles. I got him from $1400 to 1250 for engine to tcase or 2100 to $1750 for the roller 4x4 no body. I then asked if I came with $1100 if hed ask me to leave. He said he would do $1100 and sell it with a 2wd tranny. Im wanting to jump on it but should I or should I keep looking?
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[Crash_OK]

Originally Posted by The Big Green

I searched them all, but when I called I said any year 5.3.


Ok I need help lol. I got a friend with a 2002 Tahoe wrecked(bodyless), 5.3 4wd setup with 82,000 miles. I got him from $1400 to 1250 for engine to tcase or 2100 to $1750 for the roller 4x4 no body. I then asked if I came with $1100 if hed ask me to leave. He said he would do $1100 and sell it with a 2wd tranny. Im wanting to jump on it but should I or should I keep looking?
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Does that include all the acc., wiring harness, etc.. if so sounds like a good deal to me.. I gave $1500 from mine.. 2005 DBW 80000 miles.. Engine, trans, acc., wiring harness.. everything I needed..

[Crash_OK]

Originally Posted by The Big Green

I searched them all, but when I called I said any year 5.3.


Ok I need help lol. I got a friend with a 2002 Tahoe wrecked(bodyless), 5.3 4wd setup with 82,000 miles. I got him from $1400 to 1250 for engine to tcase or 2100 to $1750 for the roller 4x4 no body. I then asked if I came with $1100 if hed ask me to leave. He said he would do $1100 and sell it with a 2wd tranny. Im wanting to jump on it but should I or should I keep looking?
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If you want PM me and I will give you a contact in Tulsa that can fix you up..

[The Big Green]

Yes its everything for $1100 and its 5miles away from me. Tulsa? I emailed B&R Salvage a few mins ago, said to have long blocks for $500 and ecm and harnesses for $200.
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[Crash_OK]

Originally Posted by The Big Green

Yes its everything for $1100 and its 5miles away from me. Tulsa? I emailed B&R Salvage a few mins ago, said to have long blocks for $500 and ecm and harnesses for $200.
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The one close to your house sounds like a good deal.. however if it doesn't work out email Tanner at brautoparts@gmail.com. Tell him that Mark gave you his name and e-mail. He treated me right on more than one deal. Good luck...