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#21
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
Banned
10-31-2013
Interested to see how this plays out.
I've got a pretty stout turbo build but the trans is always going to hold me back.
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#22
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GXP Level Member
10-31-2013
This was done back a couple years ago by Pontiac Jeff @enginered performance
Theres another build thread floating around on Bonneville club I believe.
http://montecarloforum.com/forum/six...65-4t80-31241/
06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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#23
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GXP Level Member
11-01-2013
08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
RPF1 17x9 255/45 Direzza Zll
04 COMPG- Vs, getrag 284 RIP
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#24
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
11-01-2013
Jeff had put it on BC before it became GMForums.. it's a twin charged Bonne with 4T80
I drink..so consider that when reading my posts.
2010 Audi A6 Dual IC's
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#25
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GXP Level Member
11-01-2013
Originally Posted by
SnowFlake
Interested to see how this plays out.
I've got a pretty stout turbo build but the trans is always going to hold me back.
yeah no kiddin....we are getting near 8k invested into the trans of the Turbo regal i built for Heavykevy....and its coming back apart for the non tcc groove equipped GMR Armet 100 input shaft (have fun trying to find one of these in the future) along with the converter getting rebuilt for a 3rd time to machine the TCC groove into the turbine hub.
that way we can keep the 1200hp rating of the IS and retain complete TCC functionality with no loss in strength....believe it or not ...this is the cheap fix....way too risky to modify the unobtainium IS which replacment of would cost ~3500$ each shaft and would require a batch of 20 hahahahaNO. the billet Tq converter is farrrr cheaper at 900$. machining the turbine hub is the better option as that portion of the hub is not under any stress and has plenty of meat to cut the groove.
lifes a ***** when your pushing over 600hp/575ftlbs at the wheels with a POS 4t65e
Originally Posted by
91parkave
yeah jeff and i have been working with the 80e for years.
jeff controlled his bonnie 80e via a GM diesel 4l80e controller and tunercat.
i figured out how to control it via the stock 65e PCM for the WhippledRiv.
what daves doing with the 80e into a W... has not been done yet (closest i got was a day spent on trial fitment about 5-6 years ago with a 2nd gen W subframe)
the 80e is stupid easy to swap into the B/C/G/H body cars...the W is the *****...otherwise the TR would have one...
it has been stuffed into a 1st gen W so the 2nd gen was possible i just ran into the rack clearance issue
~James~ Psychotic Gearhead
projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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#26
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
Donating Users
11-01-2013
^^^^^ that being said makes me drool at the thought of a 500 plus hp 4t80 bonneville epic sleeper!!!!
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#27
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
DUI BABY
11-01-2013
what makes it so much easier/more difficult between the chassis styles? is it just the steering rack getting in the way?
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#28
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
11-01-2013
The GXP Bonneville came with a 4T80 if that helps you understand fitment. Couple of tweaks and in it would go. I know 2003 SSEi was looking at it and found 65 parts before doing it. The placement of the drivetrain in a W body vs the others and likely the way the mounts are configured is what appears to me as the largest issues.
If I were aiming to build another 3800, it would be a Bonneville. Things are much easier in the bigger bodies.
I drink..so consider that when reading my posts.
2010 Audi A6 Dual IC's
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#29
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GTP Level Member
11-01-2013
Yes in a 2000+ H body, there is no modification to the subframe to swap in the -80. All the mounts are factory GM. I was all set to do this, but doing research found that there were issues at the time controlling the shifting patterns and the TCC operation. Plus I found GMR parts for the POS -65.
2003 SSEi,
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#30
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
Banned
11-01-2013
Originally Posted by
Turbocharged400sbc
yeah no kiddin....we are getting near 8k invested into the trans of the Turbo regal i built for Heavykevy....and its coming back apart for the non tcc groove equipped GMR Armet 100 input shaft (have fun trying to find one of these in the future) along with the converter getting rebuilt for a 3rd time to machine the TCC groove into the turbine hub.
that way we can keep the 1200hp rating of the IS and retain complete TCC functionality with no loss in strength....believe it or not ...this is the cheap fix....way too risky to modify the unobtainium IS which replacment of would cost ~3500$ each shaft and would require a batch of 20 hahahahaNO. the billet Tq converter is farrrr cheaper at 900$. machining the turbine hub is the better option as that portion of the hub is not under any stress and has plenty of meat to cut the groove.
lifes a ***** when your pushing over 600hp/575ftlbs at the wheels with a POS 4t65e
I'm right there with ya. Haven't done the trans stuff yet (have a lot of parts but nothing installed) but if an 80 proves to handle the power I'd look into swapping to that. Also the clearance in the back of the engine sounds good... I'd really like to be able to run a 3.5" exhaust but the pipe simply won't fit between the engine and brake booster.
Are there upgrades available for the 80? Similar to the 65.. stronger IS, chain, clutches, etc, etc...
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#31
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GXP Level Member
11-01-2013
Wonder if the 80e would clear w-body frame with oval exhaust tubing instead
06 GXP | 222/227 cam/cartuning turbo kit on 8psi/meth/e85 coilovers/ still on stock trans at 130k
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#32
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
Donating Users
11-01-2013
oval is going to cost more if it needs to be fabricated why make it complicated just use round and plogs.
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#33
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GT Level Member
11-01-2013
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#34
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GTX Level Member
11-01-2013
Even being a manual diehard, this would be cool to see. Manual bonneville would turn some heads though so I'm still not sure what I plan on for my build. This just made my decision harder. -_-
04 GTP -HAI, 1.9 rockers.
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Post Thanks / Like - 0 Thanks, 1 Likes, 0 Dislikes
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#35
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
I live here.
11-01-2013
The 4T80E is the trans that GM should have used in the first place.
2003 Redfire Metallic Chevy Tahoe Z71 - Airaid Modular Intake Tube, Flowmaster Exhaust.
Originally Posted by
The Sunfire Guy
Superchargers take away horsepower
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#36
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GrandPrix Junkie
11-01-2013
Are the gear ratios the same as the '65?
05 Saab 9-2X Linear (Saabaru)
77 Morris Garage B
Originally Posted by
TLSheff
You said "I'm done with it"... car says "Oh, really? *trollface*"
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#37
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GTP Level Member
11-01-2013
Here are the 4T65E ratios-
1st - 2.92:1
2nd - 1.56:1
3rd - 1.00:1
4th - 0.70:1
Rev - 2.38:1
Here are the 4T80E ratios
1st - 2.96:1
2nd - 1.63:1
3rd - 1.00:1
4th - 0.68:1
Rev - 2.13:1
There are several overall ratios/final drive ratios also that differ from the 4T65E
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#38
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GXP Level Member
11-01-2013
Originally Posted by
98GrandPrixIraqVet
^^^^^ that being said makes me drool at the thought of a 500 plus hp 4t80 bonneville epic sleeper!!!!
id love to do a bonnie, already did a Riv
Originally Posted by
SnowFlake
I'm right there with ya. Haven't done the trans stuff yet (have a lot of parts but nothing installed) but if an 80 proves to handle the power I'd look into swapping to that. Also the clearance in the back of the engine sounds good... I'd really like to be able to run a 3.5" exhaust but the pipe simply won't fit between the engine and brake booster.
Are there upgrades available for the 80? Similar to the 65.. stronger IS, chain, clutches, etc, etc...
nope, but everything is far beefier, hell even the 4th gear clutches are nearly twice the diameter and have 4 times the surface area. the chain is wider than the GMR and with sprocket bearings twice the size of the 65e.
the riv never had a problem going to 200+ kpa in 4th
only thing i ever see having an issue is the IS and its design is simpler than the 65e so making an aftermarket unit would be far cheaper, and even then the IS is larger and thicker walled than the 65e.
Originally Posted by
2Fast4U
Here are the 4T65E ratios-
1st - 2.92:1
2nd - 1.56:1
3rd - 1.00:1
4th - 0.70:1
Rev - 2.38:1
Here are the 4T80E ratios
1st - 2.96:1
2nd - 1.63:1
3rd - 1.00:1
4th - 0.68:1
Rev - 2.13:1
There are several overall ratios/final drive ratios also that differ from the 4T65E
yup, the 80e has 3.11, 3.48 and .3.73 FDR
the best part is all the final drive reduction is through the differential planetary the chain is 1to1 only (39/39)
so changing your final drive is just pulling the diff cover and 4 bolts to change the planets/sun
we plan for a 3.73 in the rear and a 3.48 up front on the 442
~James~ Psychotic Gearhead
projects: 84 Cressida waGN~ 90 LN3 3800, equal length headers, T70, 89 700r4, misc parts,
1994 Oldsmobile 442 (462ci-4wd-2 engines) L67/4t80e^2,
00 Turbo Regal 608 fwhp 575ftlbs at 5500rpm, 98 WhippledRiv, 97 GTP
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#39
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
GTP Level Member
11-02-2013
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#40
Re: My latest custom project- 4T80E swap in our 1997 Grand Prix
I live here.
11-02-2013
Jeffs car was fun to see at nationals. Ran high 11s I believe.