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Discussion Starter · #1 ·
Hi Guys, Im new to this forum and new to restoring. My first project Ive got a 1970 Chevelle malibu 307 automatic.

I have it torn down to the frame currently and Im not sure which way to go for the drive train. Id like to convert to manual tranny and was thinking carburated 383. Something with an aggressive rumbling cam
Ive had some people tell me fuel injection is the way to go...
Im looking for a car i can use for the odd road trip, drive maybe a few times a week. Something practical but yet will throw me back in the seat when i want it. Not something id take to the track

Im open to any opinions as im not very knowlegable with the engine,transmission rear end.
I do have a budget so i dont want to go to crazy

Thanks in advance!

Jason
 

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If fuel economy is not the object, then a carbureted crate motor is probably fine. But an LS3 (manual trans) or L99 (auto trans) are the way to go, both FI. The L99 mated with the 6L80 that they came with (think Gen5 Camaros) gets pretty decent mileage and also has displacement on demand.

This subject has a lot of variables, but the above is my abbreviated take on it...
 

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Discussion Starter · #4 ·
Thanks for the input! Ive been doing lots of research on the LS3 and i think i will do that route. Sounds like they sell everything to make it happen easily! Without having to do any body modifications.
I cannot see the link to your care. Could you please send again?
 

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The real question is what budget did you have in mind? LS in my option is the way to go for drive-ability however you have a lot of either fitting it yourself or buying ls swap parts. This can add up quick, motor mounts, headers, radiator, engine management... Personally I am going to keep my standard small block and go with a Holley Sniper EFI setup. $1000 for the Holley EFI and $500 for a new EFI tank and its ready to rock and roll. if you got the money though GM performance sells their plug and play packages with a t56 for around 20k!
 

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One piece of advice I'd give you is, decide how you will use the car and taylor it towards that. I had a '67 Dart GT before the Chevelle and I just loved it when I first got it. It only had a 273 in it but I threw some wheels on it and it was a blast. Then I got the great idea that I was going to beef up the motor and get a little more performance out of her so I built a mild 360 and put a 8.75 rear end under her with a set of 3.55's. She was fun for a while but then the headers drug everywhere, she was temper mental and sucked gas like it was going out of style. Bottom line, she was no longer fun, sat in my garage for a few years before I finally sold her.
 

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Thanks for the input! Ive been doing lots of research on the LS3 and i think i will do that route. Sounds like they sell everything to make it happen easily! Without having to do any body modifications.
I cannot see the link to your care. Could you please send again?

The link is part of the signature, just like the bottom of this post - here it is again:
http://www.chevelles.com/forums/showthread.php?t=794705


Couldn't tell if you're thinking of the LS3 crate or a pull from some late Camaro. Personally I think the pulls are a better buy, especially if you negotiate for all the parts you think you're going to need.


Be careful about the tranny on those engines, many do require tunnel modification.
 

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Discussion Starter · #8 ·
Hey Guys so i I was able to pick up a 2014 Camaro ss donor car, planning to use the ls3 and 6 speed for my swap. Doing lots of research and it shouldnt be to bad with some minor tunnel mods.
My next step is the rear end. Whats your opinion on best option?
Again id like to use it for a touring car, but yet can stop on it when needed,(much like the 2014 camaro!)

Thanks for your advice!
 

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I'm partial to the Ford 9" and with your description / plan for use, maybe a 3.50:1 or maybe 3.70:1. although, I had an old dodge I put a 6 speed auto in with a 3.55:1 and I went to 4.10:1 without a significant jump in highway RPMs or drop in gas mileage, but definitely a noticeable jump in get-up n' go. you can get a 4.11:1 ring and pinion for the ford 9" if you were interested...
 
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