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Topic Review (Newest First)
10-21-2019 04:42 PM
gtxracer
Quote:
Originally Posted by JR View Post
I could do 180* headers with a mid engine, which sound awesome, but on a rear engine it's just a matter of making anything fit which leaves few options.
Exhaust is the biggest drawback for rear engine.
Also have these that will be done soon as I need to get them CNC bent. I might have the collector exiting to the front (harmonic balancer side) in the end but it does allow AC and will work with the Armada Engineering low profile LS pan, if you go that route.

CAD models for the Porsche G50 are on grabcad if you want to mock up digitally, although I know that's not your style
10-21-2019 04:39 PM
gtxracer
Quote:
Originally Posted by JR View Post
5 sp. tiptronic out of a late '90s 911 996. to be had for <$2k.
Someone must make a stand alone harness for it.

I even priced the Porsche 3.6l motors. Forget, way too pricey.

At first, I was thinking front engine with a conventional auto.
Then, I figured I could make a mid engine behave.
Now, I'm leaning towards a rear engine. That would be a Porsche Tip trans mated to a LS3 and moved forward 4". It's definitely the least invasive.
It's not going to be a drag or track car, just a fun, comfortable cruiser that even the wife can drive.
I have my '99 Tiptronic pulled from my 996. Let me know if you want it

FWIW, the 01+ Tips from the 996 are CANBUS and much stronger, like the NAG1. The '99-00 are much simpler but can only handle 350ish HP. I haven't actually seen any failures and know of 1 guy running one behind his LS. He didn't have any issues. I thought about using mine but I wanted another manual sports car so I'm swapping to the 6MT.
09-17-2019 06:08 AM
posford IH 392, all the dooty cycles you need and then some
09-16-2019 03:22 PM
Ghetto Fab. Surprised no ones pointed out the obvious yet, CUMMINS!

Roll coal, unlimited torques and make all the mpgs at the same time!

Someone mentioned needing some weight too.

Kevin
09-16-2019 12:30 PM
JR ^ That thing is cray
09-16-2019 11:14 AM
xr-nut
Quote:
Originally Posted by JR View Post
Thinking about a LS4 out of a 2005-2009 Impala SS FWD.
Anything less than that set-up at both ends of the car is just lame

https://www.hotrod.com/articles/twin...rnout-ls-fest/

In for this build too, subscribed
09-16-2019 06:57 AM
ADChevy4x4
Quote:
Originally Posted by Stix View Post
Had a 65. Believe it or not they handle great with some weight up front and benefit greatly from modern shocks and tires. Id say def keep it rear engine with some kind of nasty 6 cylinder. Why not go Porsche engine? Lots around and kinda keeps with the theme of the car. Good luck, Im looking for a 69 myself.
I had several 66's, one a 4 carb Corsa..Yes they handle quite well compared to the other cars of that era.I never saw the need for more weight up front, a proper tire pressure balance is important .GM put a large sway bar on the front to induce understeer...A thinner front bar alone will make a big difference for an "aware" driver...You can add a rear bar also...The stock drum brakes with quality linings ok if you driven with respect for what it is..
The Corvair engine is reliable enough and can be upgraded to about 200 HP or so..Over that overwhelms the suspension and for sure the stock brakes...
09-16-2019 03:39 AM
aczlan
Quote:
Originally Posted by 65Chevy4x4 View Post
Yes they are the gm metric bellhousing which is same as northstar. Starter location is different on the 2 though.
Entertainingly, Grandma has a 1993ish Cadillac Sedan DeVille that Grandpa reportedly had a truck engine put into when it overheated, lost coolant and fried the engine.

Aaron Z
09-15-2019 10:22 PM
JR
Quote:
Originally Posted by Beat95YJ View Post
Will the LS bolt to the 4t80, or custom adapter?
This guy has the 787 hp FWD 10 sec. Monte Carlo. He explains what is needed to be modified for the swap. The video is helpful also.
https://engineswapdepot.com/?p=30740
09-15-2019 09:57 PM
65Chevy4x4
Quote:
Originally Posted by Beat95YJ View Post
Will the LS bolt to the 4t80, or custom adapter?
Yes they are the gm metric bellhousing which is same as northstar. Starter location is different on the 2 though.
09-15-2019 09:06 PM
Beat95YJ Will the LS bolt to the 4t80, or custom adapter?
09-15-2019 08:17 PM
Realsquash I'm sure you could figure out a way to make the car hinge in the middle to get to the engine. You are very crafty with the sheet metal.
09-15-2019 08:11 PM
JR ^ haven't ruled anything out. The Northstar is about the same weight and power as a LS4 though it is a bigger package.

One drawback of mid engine r&r is that it has to come out the bottom of the car.
09-15-2019 08:04 PM
[486]
Quote:
Originally Posted by JR View Post
and expensive to repair if anything breaks.
but that's just it, you buy a caddy that needs air shocks or a radiator for $500, then proceed to scrap it for that (well, not in this exact moment, but scrap will come back up again) and sell the cats for a profit

you don't fix the motor, you throw it away when it puts parts out
09-15-2019 07:49 PM
JR The Northstar has fallen out of favor over the years. It is a perfect example of an engine that was slightly over-engineered for its own good. It's finicky, high-maintenance and expensive to repair if anything breaks.
It is convenient that the 4t80 comes with a Northstar though.

Maybe a 5.3 ls4 with a *small turbo. 600 hp with an auto that could handle it.
09-15-2019 05:17 PM
bdkw1 LS is narrower across the heads than a northstar. Should be an easy fit.
09-15-2019 05:17 PM
[486]
Quote:
Originally Posted by Realsquash View Post
Northstar is more interesting than an LS swap and I think they are decent engines. I don't think you're going to turbo it to a zillion HP, but this car is a roller skate already.
northstar can make retard-power too, just not quite as commonplace in the US

actually, on second thought, probably more commonplace than LS4s making big power with the bottleneck of the trans taken into account
oh and the car you buy to get the better 4t80 comes with the all-loominum northstar already
09-15-2019 05:03 PM
SLOWPOKE693
Quote:
Originally Posted by 65Chevy4x4 View Post
Yes do it
What he said!

Porsche transaxle and turbo LS would be sweet, but the impala setup really seems like the way to go for what your looking to do with it.

09-15-2019 03:50 PM
Realsquash Northstar is more interesting than an LS swap and I think they are decent engines. I don't think you're going to turbo it to a zillion HP, but this car is a roller skate already.
09-15-2019 02:54 PM
JR Here's a Corvair with a 4T80 and a Northstar.
Can't find any pics of an example with a 4T80 and a 5.3 LS4.
09-15-2019 01:54 PM
65Chevy4x4 Yes do it
09-15-2019 01:11 PM
JR How it sits in relation to the rear axle (LS4 in place of the Northstar).
09-15-2019 01:03 PM
JR Thinking about a LS4 out of a 2005-2009 Impala SS FWD.
They originally came with a 4t65e transverse transaxle but a better choice would be to modify and use 4t80.

It's an oddball set-up but would put the Gen IV motor just in front of the rear axle, have a stout 4 sp auto and relativity speaking would be dirt cheap to do. A few bolt on mods bring it to 400 hp. Not enough, add a turbo.

The 4t80 came behind Northstars, but I'm not interested in that motor.
09-13-2019 07:52 PM
plym49
Quote:
Originally Posted by Quick & Dirty View Post
Late 60's-early 70's Cadillac or Toronado front drive puts the engine right between the wheels. Basically a Turbo 400 with a chain drive between the converter and gears. Caddy(500) or BOP engine will bolt in, a Chevy would need an adapter.

Winner winner chicken dinner.
09-13-2019 03:46 PM
Realsquash Radial? Weird car weird engine!
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