Forum: C4 ZR-1 Technical Postings
06-07-2021
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Replies: 1
Views: 249
New air intake and radiator pipes n hoses.
Hi good people.
I thought I'd share a couple of pictures of my Torana engine bay.
Engine is about to come back out after final test fit for radiator pipes and new intake.
Luckily I found a...
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Forum: C4 ZR-1 General Postings
11-19-2020
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Replies: 11
Views: 3,329
Re: Aussie Torana with an LT-5
Gday Rush, yeah Toranas are great but they are now more expensive than most of the US muscle cars now over here especially the coupes.
Glad I've had mine nearly 30 years.
The Lt5 is by far my...
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Forum: C4 ZR-1 General Postings
11-18-2020
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Replies: 11
Views: 3,329
Re: Aussie Torana with an LT-5
Hi ZR1ers.
Still playing with my torana with the LT5. Spent an enormous amount of work smoothing engine bay.
I just did my new air intake. Pretty happy with the look. It fits under the...
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Forum: C4 ZR-1 Prototypes
04-20-2017
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Replies: 19
Views: 7,363
Re: Collection of Early LT5 VIN, MM Numbers
Hi guys.
To resurrect a thread from the depths, I have currently got my engine out of my car and have had a really good look at the engine number and other stampings.
It is poorly stamped on...
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Forum: C4 ZR-1 Technical Postings
08-18-2013
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Replies: 7
Views: 645
Re: Upshift Light
Ha Ha that was going to be my next question - can you get that reset to what ever RPM you want.
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Forum: C4 ZR-1 Technical Postings
08-18-2013
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Replies: 7
Views: 645
Upshift Light
Looking at the LT5 wiring diagram for the 1990 models, it shows pin B13 as the 'Upshift light'
I never connected this when I put the LT5 in my Torana but I am doing a heap of changes to it at the...
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Forum: C4 ZR-1 Technical Postings
07-23-2013
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Replies: 5
Views: 1,976
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Forum: C4 ZR-1 Technical Postings
07-22-2013
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Replies: 5
Views: 1,976
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Forum: C4 ZR-1 Technical Postings
07-20-2013
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Replies: 5
Views: 1,976
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Forum: C4 ZR-1 Technical Postings
05-17-2012
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Replies: 17
Views: 1,587
Re: Spark Plug Wires
I tried to get MSD leads everywhere about 6 months ago and they are NLA - I went for Magnecor ones in the end.
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Forum: C4 ZR-1 Technical Postings
02-09-2012
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Replies: 5
Views: 696
Re: Anyone fitted custom fuel rails before?
Mainly I want to fit one of these nice shiny things with adjustable fuel pressure.
http://www.summitracing.com/parts/AEI-13159/
And I want to change how the fuel feed and return lines connect...
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Forum: C4 ZR-1 Technical Postings
02-09-2012
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Replies: 7
Views: 878
Re: Hydraulic throwout bearing?
Okay, so it seems you can get both types bolt to bellhousing or just floating on the input shaft with a stud to stop it rotating.
Is this the type they use in the ZR1 clutch kit?
...
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Forum: C4 ZR-1 Technical Postings
02-09-2012
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Replies: 7
Views: 878
Re: Hydraulic throwout bearing?
Yeah mate, I reallise that, I was meaning do they bolt to a bracket of some sort of just wedge against the bottom of input shaft sleeve or do they just push against the inside of the bellhousing? ...
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Forum: C4 ZR-1 Technical Postings
02-09-2012
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Replies: 5
Views: 696
Re: Anyone fitted custom fuel rails before?
OK, did a bit of research.
I found these guys - even in oz so handy for me, they have some awsome stuff and reasondable price. Those smooth rails will polish up nicely.
...
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Forum: C4 ZR-1 Technical Postings
02-09-2012
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Replies: 7
Views: 878
Re: Hydraulic throwout bearing?
Thanks guys - I'll give RAM a call.
I have a custom gearbox fitted so I basically need the same clutch set up as the ZR1 but the spline count is Toyota (21 teeth I think) so hopefully he can do me...
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Forum: C4 ZR-1 Technical Postings
02-06-2012
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Replies: 7
Views: 878
Hydraulic throwout bearing?
Hi Again,
I am fitting a Fidanza alloy flywheel and I have been thinking of getting a twin disc clutch and converting to a hydraulic throwout bearing like the Tilton ones.
Anyone done this typr...
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Forum: C4 ZR-1 Technical Postings
02-06-2012
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Replies: 5
Views: 696
Anyone fitted custom fuel rails before?
Hi Guys,
I am doing some mods to the LT5 - some for performance, some for appearance.
I have an aeromotive fuel pressure reg to replace the original one.
Since I aslo wanted to change the...
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Forum: C4 ZR-1 Technical Postings
01-24-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
Back to my question from last week, what do others do with the shape of the plenum where I have drawn the red arrows below? Is it best to leave these circular from the front face right through to...
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Forum: C4 ZR-1 Technical Postings
01-24-2012
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Replies: 18
Views: 2,398
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Forum: C4 ZR-1 Technical Postings
01-24-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
G'day Again guys,
Got a few more pics - this stage takes ages so I will just keep chipping away an hour after work each day.
Here is the injector housings in progress. one is about half done...
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Forum: C4 ZR-1 Technical Postings
01-19-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
I will have a few more progress pics this weekend, I have done about another 5 or 6 hours this week.
I am going to weld up the holes in the plenum where the coolant lines to the throttle body join...
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Forum: C4 ZR-1 Technical Postings
01-06-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
Thanks for the comments, I will certainly post more pics as I go.
The date stamp on my block and crank case is April '89.
My engine number stamping seems a little odd but I have established it...
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Forum: C4 ZR-1 Technical Postings
01-06-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
Jeff, mine had similar ones on there that bolted to the same place and looked really ordinary so I chopped them off and made some nice smooth ones and had them welded on.
It was only after I...
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Forum: C4 ZR-1 Technical Postings
01-06-2012
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Replies: 18
Views: 2,398
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Forum: C4 ZR-1 Technical Postings
01-06-2012
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Replies: 18
Views: 2,398
Re: Doing some work on my LT5
and a few more.
For a bit of a description - go to the bottom of this page.
http://www.cardomain.com/ride/480776
Matt
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