If you bring all the 5.3 parts and enough beer to Hallett, the AI/CMC camp will have that swap done before dinner time on Friday!Originally Posted by 64GunPilot
- Josh
If you bring all the 5.3 parts and enough beer to Hallett, the AI/CMC camp will have that swap done before dinner time on Friday!
- Josh
CMC #50
Ok. Well looks like this weekend at MIR (Memphis) is cancelled due to weather. I guess its supposed to rain cats n dogs. Anyways, that gives me some time. If I can get a parts list for the 5.3 swap, I'll start pricing it out and shopping around the junk yards here in Alabama. I'll also be looking at other forums for swap info too. Going into research mode now.If you bring all the 5.3 parts and enough beer to Hallett, the AI/CMC camp will have that swap done before dinner time on Friday!
- Josh
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-Dylan
3rd Gen CMC Wannabee
I have done several LS conversions and put together a couple LS cars from scratch. I have a excel spread sheet of all the parts needed to convert a LT1 fourth gen to a LS1. It does not have everything you would need to do a 3rd gen to LS the file does have a lot of part numbers and stuff you would need to convert. If you are interested shoot me a email. Bobden10@gmail.com
Bob
Bob Denton
CMC #67
Great Lakes Region
Thank you for sending me the spreadsheet. Very helpful. Still weighing options.
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-Dylan
3rd Gen CMC Wannabee
The LS is definitely worth the price of admission, but damn the price of admission is a bitch.
My advice is to find a clean used replacement block for what you have now and just drop it in and send it! Getting harder to find clean 305/350s these days but maybe an old vortec pull out can fit the bill.
shoot, 350's are still out there in abundance. Last trip to the pick and pull I walked by 7 of them, and i was just glancing and not shopping. Last long block I got someone just gave me... for free, and it is in good shape.
Vortec shortblock will work just fine, as long as you're running an electric fuel pump. vortecs and most TBI blocks don't have the mechanical fuel pump boss fully machined.
Oh wow gotcha, thought they were just crushing pre 2000 stuff nowadays.
You're not wrong! LOLIf you bring all the 5.3 parts and enough beer to Hallett, the AI/CMC camp will have that swap done before dinner time on Friday!
- Josh
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Laissez les bons temps rouler
LS 5.3 pros:
Neutral balance on both sides of crank
6 bolt mains
World class ignition system
Lighter and more compact than 350/305
With a 5.3, all you need to is get the comp cam beehive springs, retainers, and locks and you have a rotating assembly that can go north of 7k but you are limited to 6k. It will last forever. The smaller 5.3 slugs and lowered lift cam means everything thing is understressed, then with a 260hp limit it's barely working hard.
Cons:
Oil control is a bitch, at a minimum you want a crank scraper and an accusump for extra insurance.
Valve covers are shallow so you have to do some worth with catch cans and a late ls6 valley plate to keep oil out of the intake. I got this locked down and adds maybe $200 to the build
Alternator needs an oversized pulley
Power steering pump reservoir can and should be relocated if you are using Camaro accessories
Last edited by Pranav; 04-13-2019 at 09:11 AM.
Truck accessories work much better with the third GEN and their dirt cheap!
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