V8 Conversion for 80 Series

Submitted: Monday, Mar 27, 2006 at 11:43
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Hi all,

Thinking a fair way down the track if or when the 4.5L packs it in on the 80 Series (it's a 1994 GXL 1FZ-FE) it would be fun to do a conversion to the Gen III Holden V8(or similar). Bloody Bilbo's got me thinking haha! I've been trying to find some economy stats for this motor to see if it's at leats comparable to the current donk. Anyone know how this motor would go in an 80 matted to the original Tojo 4sd Auto?? Also what sort of cost have people had to pay to achieve the end result conversion?

Cheers
Socey!
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Reply By: Brad, W.A. - Monday, Mar 27, 2006 at 11:53

Monday, Mar 27, 2006 at 11:53
I am considering the same conversion myself Socey. I have emailed Marks Adaptors to see if they have a conversion kit available, will let you know when i hear back from them. I would,nt expect the fuel consumption to be any worse. One thing to consider would be the torque convertor, it may have to be changed and also the valve body in the auto, these things are changed when a chev diesel is installed.
AnswerID: 163126

Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 13:14

Monday, Mar 27, 2006 at 13:14
Hi Brad,
I saw the Marks Site and their kits looked good! Thanks for the tip with the auto mods but - didn't htink of that!
Scoey.
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Follow Up By: Member - DOZER- Monday, Mar 27, 2006 at 16:03

Monday, Mar 27, 2006 at 16:03
Gday
Wholesale automatics in Bayswater do a extreme shift kit for the auto...either supply only with exchange, or drive in/out....i have one in my 94 fzj80 and it sure shifts solidly...i run a safari turbo on the 4.5, and the auto wont hold 240kw in std form for very long. However, with the shift kit, it has been going for 2 years now touch wood.
Andrew
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Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 16:14

Monday, Mar 27, 2006 at 16:14
Great - thanks for the tip Andrew. When I first started visiting this site ages ago I read about your truck and have been extrememly jealous since! Thanks for the advice!
Cheers
Scoey
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Reply By: Laura B - Monday, Mar 27, 2006 at 11:56

Monday, Mar 27, 2006 at 11:56
youspelt ya name wrong!!HEHE...Scoey.....no idea of the cost for one of these engines - got an 80 me self...manual though.....we have thought about putting in a chevvy V8 when our girl packs it in and have heard from other converters that this is cheaper than doing a rebuild......come to think of it (5 min later!!) went bush one day wth a guy Nathan went to school with and he had a Holden V8 i think from memory in it - auto too......went like the clapper!!

Good luck and happy thinking!!

Laura B
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Follow Up By: grayson - Monday, Mar 27, 2006 at 12:07

Monday, Mar 27, 2006 at 12:07
There was a thread here or somewhere else that I came across last week where a guy was looking at a bill of 3k-4.5k to get a new head or a reconditioned head for his 80 series 4500 donk!!!!!!

In that case, a conversion sounds like the way to go when they do die.
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Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 13:17

Monday, Mar 27, 2006 at 13:17
haha! THANKS Laura! ;-) I had a passing thought about doing a conversion to a Chevy diesel V8 but cause the rig's already a petrol then I think you'd be looking at replacing the tanks etc! :-S

Grayson, I've heard the same thing! Hence the reason for checkiong out other options - not that my truck is even close to being had it - it's fun to think about! Also nothing hornier than a dolled up 80 with all the gear and the rumble of a V8 coming from it! ;-)

Cheers

cyoSe! :-P
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Follow Up By: grayson - Tuesday, Mar 28, 2006 at 10:21

Tuesday, Mar 28, 2006 at 10:21
Mmmmm, the sound of a 220kw of fuel injected v8 through a set of extractors and twin pipe system......... enough to give a jelly fish a hard on
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Reply By: Penguin (NSW) - Monday, Mar 27, 2006 at 12:12

Monday, Mar 27, 2006 at 12:12
Scoey

Try Outer Limits.

Mike
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Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 13:18

Monday, Mar 27, 2006 at 13:18
Cheers Mike, thanks for the link!
Scoey
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Reply By: Member - Colin (WA) - Monday, Mar 27, 2006 at 12:28

Monday, Mar 27, 2006 at 12:28
Hi Scoey,
A guy at work put the older 5L in his instead of the 5.7L . The 5.7L doesn't like gas conversion as his car is already on gas. Maybe another factor to consider . He is very happy with his conversion better economy on gas & petrol . He also swapped from manual to auto .
Good luck
Col
AnswerID: 163132

Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 13:21

Monday, Mar 27, 2006 at 13:21
Hi Col,
Nope mine's not on gas so not a problem - I think the issue I might have is that the new engine has to be from a model either the same year of production or newer. Gonna have to dig up what motors were around from '94 on. Not a priority at the moment - just having a nice time daydreaming about my 'cruiser with a V8 and smilin'! ;-)

Scoey
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Reply By: Geoff M (Newcastle, NSW) - Monday, Mar 27, 2006 at 12:34

Monday, Mar 27, 2006 at 12:34
Scoey,
The bloke that owns GPSOz in Sydney had an 80 or 100 Series with a Holden V8 in it. It was a late model engine, fuel injection etc.
Must be someone who does the conversions at least in Sydney.

Geoff.
Geoff,
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AnswerID: 163133

Follow Up By: Scoey (QLD) - Monday, Mar 27, 2006 at 13:22

Monday, Mar 27, 2006 at 13:22
That's what I'm after! Fuel injected! Might have to track him down for a chat if/when I get serious! ;-)
Cheers
Scoey!
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Follow Up By: Member - DOZER- Monday, Mar 27, 2006 at 16:05

Monday, Mar 27, 2006 at 16:05
Brian summerville
1990 ish gxl 80 series...see www.lcool.org for sales section.
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Reply By: Exploder - Monday, Mar 27, 2006 at 19:10

Monday, Mar 27, 2006 at 19:10
Was driving my Uncles 04 Caprice 5.7V8 around for a few day’s last year when I was on holiday’s from memory the trip computer was on around 18 but it spent most of it’s time in Brisbane City traffic.

Took it for a flog out to the gold coast and back and the consumption dropped down a bit, got it down to 7 litres left in the tank LOL, They like to hide the servos on the gold coast it think.

Some early 5.7’s suffered from Piston slap and oil burning problems so probably better to go for a post 01 version or something just to be safe.

Alternately there is a Ford 5.4 Boss 290 engine for sale $10,000 with 6 speed Manuel included, Gear Box proberbly no good for you but, the back end of the car was written off and the wrecker is selling the box and motor.
AnswerID: 163230

Reply By: Rock Crawler - Monday, Mar 27, 2006 at 20:13

Monday, Mar 27, 2006 at 20:13
well its a good conversion but not cheap . If you want to buy a donk then bits , iy will cost you a kidney. Best to get a half cut , ot damaged vehicle from the auctions for bits .

Motor and harness will set you back around 3 k , then you need a adaptor kit , this will set you back between 1 to 2 k , then you will need a enginners certificate.

Much cheaper to rebuild your existing engine and fit a hair drier to it.
AnswerID: 163268

Follow Up By: awill4x4 - Monday, Mar 27, 2006 at 21:38

Monday, Mar 27, 2006 at 21:38
The only problem with a "hair dryer" on a petrol motor though Eric is that an engineer won't sign off on it as they won't pass an emissions test. Whereas the V8's already come out with standard computers and will pass an emissions test so the engineers have little problem with them providing the the conversion is done properly.
Regards Andrew.
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Follow Up By: Rock Crawler - Tuesday, Mar 28, 2006 at 06:29

Tuesday, Mar 28, 2006 at 06:29
will pass when fitted with dual fuel
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Follow Up By: awill4x4 - Tuesday, Mar 28, 2006 at 18:34

Tuesday, Mar 28, 2006 at 18:34
Sorry Eric, it will pass on LPG only not as a dual fuel application. In fact the original fuel tank should be removed as proof the vehicle is dedicated LPG only. Unfortunately an LPG only 4x4 isn't really suited for 99% of us touring 4x4ers.
When I enquired with JPC about turboing a petrol efi GQ and asked about getting it engineered he said it was the responsibility of the owner (IF) they bothered to get it engineered, they wouldn't/couldn't get it engineered themselves.
Regards Andrew.
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Follow Up By: Rock Crawler - Tuesday, Mar 28, 2006 at 19:28

Tuesday, Mar 28, 2006 at 19:28
Yes I agree a LPG only 4by wouldnt do , but its a way to get ti enginnered anyway , no one can stop you re fitting your petrol tank.

As for getting it enginnered, it isnt that hard, yes you may have to limit boost for the testing day and make sure its running lean , but after that , you can do what you like .

Also , I am sure it would be easier to engineer a turbo than a V8 convesrsion.

Its all time and homework i guess
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Reply By: Stuart - Tuesday, Mar 28, 2006 at 00:17

Tuesday, Mar 28, 2006 at 00:17
Hi all, I have a 1991 (ex 3F slug) GXL and have done the conversion unlike some people on here guestamating on prices and problems. If you want particular info then drop me a line. Firstly if your going to run a Gen111 you may have problems with the fan as the Vette motors drive the water pump with the end of the cam shaft. That means fitting thermo fans. I fitted the 5.7 ltr Vortec motor as fitted to the Suburbans for several reasons. 1: they run a serpentine belt with the older style water pump which lends it's self well to adapting the Toyota accessories and the original fan & shroud. 2: I was able to remove the fuel injection and run a manifold so if something stops I can fix it and I could easily fit the LPG (with no probems) 3: These engines are designed to push a 2.5 ton truck around and make good low down torque. Mark's adaptors sell everything you need for the conversion including a tacho convertor from 6-8 cyl. If running a manual you need their slave cylinder to get the clutch pedal off the floor. They have the computer interface so the Chev injection can talk to the Toyota computer. The front engine adaptor kit allows you to bolt all the original accesories (alt,aircon,p/steer,fan ect) back in their original location and run the thick belts. Their quality is outstanding.
Cost?. 3 years ago, and things haven't gone up much, it set me back $5000 for the complete, brand new, out of the crate, turn key engine. This included harmonic balancer, water pump, manifold, QJet carby, flywheel, starter motor, distributor, plugs, leads, thermostat and housing ALL BRAND NEW and fired up in front of me. Why would you bother with second hand? Add approx $1000 for the injection gear. I spent $2500 with Mark's including a clutch, $500 to have it engineered and $500 for the exhuast and bits & pieces for an all up cost of $8500.
It simply transformed the Cruiser into a new car. When cruising on the highway at 110 and you want to overtake you just put your foot down and it pulls like a train. When we are climbing up through the mountains my freinds in their 4.5ltr's just can't keep up and I have no injection and I'm on LPG. I rarely use first gear any more as it pulls from 2nd so easily and yes, it does sound nice. I have done other V8 conversions and this one has been the best. Reliability and driverbility is on par or better than any other 80 series. The motor looks factory fitted (so I have been told) but drives like it to. There have been no compromises. My biggest tip: DO YOUR HOME WORK & ASK LOTS OF QUESTIONS. Take your time & pay attention to detail. Cheers Stuart.
AnswerID: 163339

Follow Up By: Rock Crawler - Tuesday, Mar 28, 2006 at 06:36

Tuesday, Mar 28, 2006 at 06:36
Stuart , alot of people on here also have done conversions , I think it's great that you have personaly fitted a Gen 3 to your beast , I just find the guestamating comment a little rude . Sort of like a I know and no one else on here knows what he is talking about.

Anyway , just my ten cents worth ,

PS . Not that i havent offended people in here in the past lol
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Follow Up By: Stuart - Tuesday, Mar 28, 2006 at 10:32

Tuesday, Mar 28, 2006 at 10:32
Hi Rock Crawler, re- reading my comments from last night that comment was a bit smart a*se of me as every one is entitled to there opinion and that's what the forum is about.
My appoligies to anyone that may have taken offence to it as I certainly didn't mean to be rude. Cheers Stuart.
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Follow Up By: Brad, W.A. - Tuesday, Mar 28, 2006 at 17:43

Tuesday, Mar 28, 2006 at 17:43
Stuart, I would like to get some details about your coversion, do you have another contact email address?
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Follow Up By: Stuart - Tuesday, Mar 28, 2006 at 20:36

Tuesday, Mar 28, 2006 at 20:36
Hi Brad, you can contact me at stuartandleanne@aapt.net.au I would be happy to give you any help I can. Cheers.
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