Rethinking future LS swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

SierraMtns · 09-12-2014, 11:58 PM

I am planning on doing an LS swap in my 67 stepper down the road and really want to do a LQ4 or LQ9. But now I am rethinking the build.

The guys over at Powder Nation show what can be had out of a junk yard 4.8. Man was I impressed. My SBC 283 cant even get close to those numbers.

Here are the videos.

#1.

http://www.powernationtv.com/episode...ls-tech-part-1

#2.

http://www.powernationtv.com/episode...ls-tech-part-2

Enjoy

Andy4639 · 09-13-2014, 10:13 AM

The base LS engine is pretty much the same engine for whatever size you buy.
The power they make stock is way better than the old short blocks ever thought about being.
Look at it like this. If the 4.8 can do that what would the LQ9 do with the same mods?

crazy longhorn · 09-13-2014, 03:26 PM

Nice read, bro! I have also been looking @ the 6.0? My 69 runs a 5.3 (carbureted)...man ,she is a sweet ride! Bigger, is always better tho? Build it , with the 4.8.....then drop that .030 over 6.0....a little cam+ head prep/camshaft. Now you are knockin on the 500 HP door. That big mill, will pull it from way on the bottom? Longhorn

SierraMtns · 09-14-2014, 01:26 PM

Quote:

Originally Posted by crazy longhorn

Nice read, bro! I have also been looking @ the 6.0? My 69 runs a 5.3 (carbureted)...man ,she is a sweet ride! Bigger, is always better tho? Build it , with the 4.8.....then drop that .030 over 6.0....a little cam+ head prep/camshaft. Now you are knockin on the 500 HP door. That big mill, will pull it from way on the bottom? Longhorn

Yeah I have always wonder if bigger is better too? I have seen some 5.3 with a little work make some big numbers.

How much power do we need to have in our C10 to make them really move?

Super73 · 09-14-2014, 03:16 PM

Quote:

Originally Posted by SierraMtns

How much power do we need to have in our C10 to make them really move?

That is a loaded question.

I started with a forged 347 with some bottle.

Now I have a 418" with even more bottle ability. Should have enough power to go in the 8's at more than 150mph once sorted out.

Yet I have twin 67's that might find there way on the truck making even more power requiring even more safety stuff than I have today.

mattcrp1 · 09-22-2014, 10:50 AM

Those are great videos. I have always wondered what a 4.8l build up was capable of. It seems like people often over look these and go straight to a 5.3l or 6.0l. It was very well thought out and had a couple of good tips for doing some of the upgrades. Thanks for posting that.

09-13-2014, 03:26 PM	#3
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,402	Re: Rethinking future LS swap Nice read, bro! I have also been looking @ the 6.0? My 69 runs a 5.3 (carbureted)...man ,she is a sweet ride! Bigger, is always better tho? Build it , with the 4.8.....then drop that .030 over 6.0....a little cam+ head prep/camshaft. Now you are knockin on the 500 HP door. That big mill, will pull it from way on the bottom? Longhorn __________________ 69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....

09-22-2014, 10:50 AM	#6
mattcrp1 Registered User Join Date: May 2010 Location: Mountain House, CA Posts: 555	Re: Rethinking future LS swap Those are great videos. I have always wondered what a 4.8l build up was capable of. It seems like people often over look these and go straight to a 5.3l or 6.0l. It was very well thought out and had a couple of good tips for doing some of the upgrades. Thanks for posting that. __________________ My Chevy habit is paid for by Ford diesels... Here is my SLOW LS install: http://67-72chevytrucks.com/vboard/s...55#post6456355 Caliper Rebuild: http://67-72chevytrucks.com/vboard/s...d.php?t=613748 Upper Control Arm Bushings: http://67-72chevytrucks.com/vboard/s...d.php?t=616974 IG mattcrp1

09-12-2014, 11:58 PM	#1
SierraMtns Registered User Join Date: Jun 2014 Location: Shingle Springs, CA Posts: 869	Rethinking future LS swap I am planning on doing an LS swap in my 67 stepper down the road and really want to do a LQ4 or LQ9. But now I am rethinking the build. The guys over at Powder Nation show what can be had out of a junk yard 4.8. Man was I impressed. My SBC 283 cant even get close to those numbers. Here are the videos. #1. http://www.powernationtv.com/episode...ls-tech-part-1 #2. http://www.powernationtv.com/episode...ls-tech-part-2 Enjoy

09-13-2014, 10:13 AM	#2
Andy4639 Old member Join Date: Jan 2002 Location: Liberty, & Garden City S.C. , U.S. Posts: 19,945	Re: Rethinking future LS swap The base LS engine is pretty much the same engine for whatever size you buy. The power they make stock is way better than the old short blocks ever thought about being. Look at it like this. If the 4.8 can do that what would the LQ9 do with the same mods? __________________ 1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs.



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