different engine swap

Non-Traditionally Powered Corvairs
f3racer
Posts: 49
Joined: Fri Mar 28, 2014 1:33 pm

different engine swap

Post by f3racer »

Has anyone thought about swapping in a modern 5.3 ls4 and 4t65e-hd trans? 303hp at the flywheel stock and has smaller dimensions than most most ls v8's since it was designed to fit in the front of grand prix's and impala's.

ive though about it and the other though was on a 2.0 turbo LNF out of a cobalt ss.

i did some searching and noticed someone did an ls4 with a porche trans, but i would like to keep the 4t65e trans.
1968 corvair monza coupe

2010 VFR1200
09 SV650R

/G\ "Always Traveling East"

"Be water, my friend."
Bruce Lee
November 27, 1940- July 20, 1973
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azdave
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Re: different engine swap

Post by azdave »

I have a 2001 Lumina with a V-6 using that tranny. When it's up on the lift I've had simialr thoughts about a swap using that tranny and a beefier engine. Lot's on engineering to be done though.
Dave W. from Gilbert, AZ

66 Corsa 140/4 Yenko Stinger Tribute
66 Corsa 140 Coupe w/factory A/C
65 Monza 4DR 140/PG w/factory A/C
65 Monza 4DR EJ20T/5
64 Greenbrier 110/PG, Standard 6-Door
f3racer
Posts: 49
Joined: Fri Mar 28, 2014 1:33 pm

Re: different engine swap

Post by f3racer »

yeah i was thinking about finding an entire trashed car so i can pull the entire front cradle, wiring harness, guages, etc...
1968 corvair monza coupe

2010 VFR1200
09 SV650R

/G\ "Always Traveling East"

"Be water, my friend."
Bruce Lee
November 27, 1940- July 20, 1973
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azdave
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Re: different engine swap

Post by azdave »

f3racer wrote:yeah i was thinking about finding an entire trashed car...
I was thinking the same thing when I bought this ex-rental car Lumina almost 2 years ago for $600 but it just looks and drives too good to part it out. I've been driving it ever since and it will turn over 200k miles this fall. Once it finally dies I'll have a powertrain for a test mock-up.

http://picasaweb.google.com/11525896900 ... directlink
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Dave W. from Gilbert, AZ

66 Corsa 140/4 Yenko Stinger Tribute
66 Corsa 140 Coupe w/factory A/C
65 Monza 4DR 140/PG w/factory A/C
65 Monza 4DR EJ20T/5
64 Greenbrier 110/PG, Standard 6-Door
old Jerry
Posts: 5
Joined: Wed Apr 23, 2014 5:23 am

Re: different engine swap

Post by old Jerry »

I had thought about 3.1 with the rear mount on a PG drive train but could not find parts to reverse the rotation. I am doing a 4.3 because it can be reversed with out a problem. A kelmark style adapter bolts it to the Corvair drive train. I had a bushing made to center the torque converter using the 14 inch 4.3 flex plate. The Corvair is a 1966 coupe with factory air. I have had great experience with 3.1 is why I hoped to use it. Old Jerry.
1965 Moza 110 PG. Just turned up 68000 miles. Was in storage since the mid seventies. Fun to drive, a survivor.
1966 Monza coupe PG. Installing a reversed rotation 4.3. Not a hot rod just a fun project.
f3racer
Posts: 49
Joined: Fri Mar 28, 2014 1:33 pm

Re: different engine swap

Post by f3racer »

awesome. id love to see how you made it work when its all done.
1968 corvair monza coupe

2010 VFR1200
09 SV650R

/G\ "Always Traveling East"

"Be water, my friend."
Bruce Lee
November 27, 1940- July 20, 1973
notched
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Location: Southern New Jersey

Re: different engine swap

Post by notched »

GM had 2 big issues with the front drive 5.3
The first was the 4T65E transmission which was already over loaded behind the 3400/3500 engines.
Most will need a freshen due to excessive clearance in the intermediate clutch pack. Some as low as 40k miles.
The final drive is glass in those things. Here is one I took pictures of today. They do make some billet parts for them, but they get very expensive.
The second issue is the Active Fuel management which is basically solenoids that sit under the intake and direct or block flow to lifters during certain engine loads effectively varying the cylinder displacement. The big issues has been permanently collapsed lifters and/or pitted lifter rollers and pitted cam lobes.
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1966 Corsa turbo
1969 Monza convertible
1987 Buick Grand National
f3racer
Posts: 49
Joined: Fri Mar 28, 2014 1:33 pm

Re: different engine swap

Post by f3racer »

I owned an 06 pontiac grand prix gxp. I bought it with 41k and sold it with 151k on it. I knew of the trans issues so once mine went i sent it to triple edge performance to have the trans rebuilt with better stuff. my particular gxp never had an issue with the DOD valve train components. It did however cause some oil usage. i also had the DOD tuned out of the car though so that may contribute to the fact that i never had an issue. Plenty of other LS4 owners over on GMLS4.com have had the issues you speak of.

This particular swap will have a built transmission and DOD delete kit from maryland speed so that there are no reliability issues.
1968 corvair monza coupe

2010 VFR1200
09 SV650R

/G\ "Always Traveling East"

"Be water, my friend."
Bruce Lee
November 27, 1940- July 20, 1973
MikeDTuning
Posts: 89
Joined: Wed Jul 16, 2014 6:39 pm

Re: different engine swap

Post by MikeDTuning »

if you want to put the motor in the middle (like where v8 guys do it) you can use any clockwise spinning motor to the origanal trans. i always though a saab b204/234 would be an awesome budget install. that could easily make 350 wheel torque
Honda B20 turbo powered corvair. Is it the first honda powered corvair out there?
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