Middlebridge-esque GTC Turbo

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turbster
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Middlebridge-esque GTC Turbo

Post by turbster » Wed Aug 24, 2016 4:20 pm

When Luke put a galv chassis and a GTC body with a V5 up for sale I couldn't resist buying it to realise a desire to build a GTC to my spec.. This was perfect as there's a lot of a complete car I don't want or would be replacing, so a deal was done and off I went to Lincolnshire to collect the car.. well chassis and body, which wasn't the easiest thing to lift onto the trailer :lol:

On the way back at services shot as per Coupe thread..
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A week on and I've still not got it off the trailer as I need to clear two spaces for it first..

So after here it is, the chassis is great as you'd expect and the body's very good too. There's some previous repair work on the n/s rear arch, otherwise it's original and undamaged with no cracks or significant blistering :D

Here's a few pics...
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So the basic plans are a swap to manual, Duratec 3.0V6, quaife LSD, Wilwood front brakes, disc conversion on rear, rear ARB, updated interior, updated electrics and lighting, improved sound proofing/insulation, possible hood shape change to more of a coupe profile rather than saloon and lots of other bits along the way to make my version of the Middlebridge concept...

I'll make a list of missing parts I need and post it in the wanted section, mostly 6A and 6B bits so hopefully not too difficult to find!?

Any thoughts on GTC improvements are very much welcome as it's the only model I haven't owned before!!
Last edited by turbster on Wed Sep 28, 2016 8:59 am, edited 1 time in total.


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Re: Middlebridge-esque GTC

Post by greeny » Wed Aug 24, 2016 4:47 pm

The roof design is basic so I think that's where I would start? Most other things are as per GTE. ..
I often wondered about putting a tvr chassis underneath a Scimitar.....


I have no doubt that an intersting engine will make its way in at some point?

Good luck I will.be reading this with great Interest. Chassis number for the register please. :D
Last edited by greeny on Wed Aug 24, 2016 7:28 pm, edited 2 times in total.


Babe the GTC number 229 and and Smurfett the 1400 SST. Ness the vw t4 van/dayvan/camper
Previous 3.0v6 X type jaguar triumph acclaim scimitar SE4A 663 (ex Collin Watson coupe) 2x se5a's 2x SS1 1600s and a load.of other things I can't remember!!!
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Re: Middlebridge-esque GTC

Post by philhoward » Wed Aug 24, 2016 4:57 pm

Any particular reason for the Duratec over the GM V6, be it in X30XE or Y32SE flavour?


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Re: Middlebridge-esque GTC

Post by turbster » Wed Aug 24, 2016 5:07 pm

greeny wrote:The roof design is basic so I think that's where I would start? Most other things are as per GTE. ..
I often wondered about putting a tvr chassis underneath a Scimitar.....

I have no doubt that an intersting engine will make its way in at some point?

Good luck I will.be reading this with great Interest. Chassis number for the register please. :D
Cheers! I'll send you the details when I get the V5 back as the plates been taken off the body. Yes Jag/Duratec V6 is the favourite at the moment, but I'm still looking...


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Re: Middlebridge-esque GTC

Post by turbster » Wed Aug 24, 2016 5:11 pm

philhoward wrote:Any particular reason for the Duratec over the GM V6, be it in X30XE or Y32SE flavour?
No reason other than I can't find any Phil, there's loads of cheap Jag engines out there but It's definitely an option I'm still interested in.. I take it the Y32SE is the 3.2? I'll have to read your guide again :wink:


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Re: Middlebridge-esque GTC

Post by philhoward » Wed Aug 24, 2016 5:27 pm

Yep - the 3.2 (which has a forged rather than a cast crank if you fancy playing).

They're a bit like busses - none for ages then they all come along. Not many reach ebay for some reason. 2.5 manuals are usually easier to find (!) and are 174bhp I think - or 190 if you fit 3.0 cams (and possibly a chip). Hidden way of getting a cheap one is if they think it's got a failed head gasket - it's usually just the oil cooler failed (it sits in the water jacket inside the vee). Most 3.0/3.2 manuals are ex-plod by the way although the occasional non-plod 3.0 does pop up from time to time.

I'm not sure if anyone has managed to fit a Jag V6 in something else and use the original ECU? My choice was OEM manners over max power - it proved that by pulling the caravan to and from Curbs in 5th gear with under 1500rpm on the tacho (currently 30mph/1000 with the bigger wheels/tyres).


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Re: Middlebridge-esque GTC

Post by Corky » Wed Aug 24, 2016 7:25 pm

I seem to remember that a BMW E30 hood assembly is virtually the same footprint. Maybe worth a look and a measure up. One thing that would really improve a GTC would be a power hood (E30 had this). The original is a right old performance to stow correctly and put back up.


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Re: Middlebridge-esque GTC

Post by greeny » Wed Aug 24, 2016 7:31 pm

Sorry hadn't put duratec and the jag v6 together for a second. Yes I would love to see that! !. And the e30 soft top could be interesting!!!


Babe the GTC number 229 and and Smurfett the 1400 SST. Ness the vw t4 van/dayvan/camper
Previous 3.0v6 X type jaguar triumph acclaim scimitar SE4A 663 (ex Collin Watson coupe) 2x se5a's 2x SS1 1600s and a load.of other things I can't remember!!!
GTC drivers doing it under canvas since 1981!!
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Re: Middlebridge-esque GTC

Post by jag12 » Wed Aug 24, 2016 11:53 pm

How will DVLA treat this when it comes time to register it ?


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Re: Middlebridge-esque GTC

Post by Roger Pennington » Thu Aug 25, 2016 1:15 am

Corky wrote:I seem to remember that a BMW E30 hood assembly is virtually the same footprint. Maybe worth a look and a measure up. One thing that would really improve a GTC would be a power hood (E30 had this). The original is a right old performance to stow correctly and put back up.
Those with long memories may remember this home-made 6a conversion, which IIRC (?) reputedly used a BMW hood? While somewhat lacking in some aspects of the execution, I think it's perhaps food for thought, and certainly (to my eyes anyway) looks at least more "modern", than the fairly "square" GTC hood? :)
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Sounds like a very interesting project, and I look forward to hearing more :D


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Re: Middlebridge-esque GTC

Post by turbster » Thu Aug 25, 2016 9:17 am

jag12 wrote:How will DVLA treat this when it comes time to register it ?
I've got the V5 for this chassis and body so it's not an issue.


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Re: Middlebridge-esque GTC

Post by turbster » Thu Aug 25, 2016 9:22 am

Obviously the rear side windows would have to be added to the GTC, but the profile is more what I'm thinking. Maybe an E30 powered frame with a custom hood with the side windows in the hood as per the original hood?


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Re: Middlebridge-esque GTC

Post by turbster » Thu Aug 25, 2016 9:27 am

philhoward wrote:Yep - the 3.2 (which has a forged rather than a cast crank if you fancy playing).

They're a bit like busses - none for ages then they all come along. Not many reach ebay for some reason. 2.5 manuals are usually easier to find (!) and are 174bhp I think - or 190 if you fit 3.0 cams (and possibly a chip). Hidden way of getting a cheap one is if they think it's got a failed head gasket - it's usually just the oil cooler failed (it sits in the water jacket inside the vee). Most 3.0/3.2 manuals are ex-plod by the way although the occasional non-plod 3.0 does pop up from time to time.

I'm not sure if anyone has managed to fit a Jag V6 in something else and use the original ECU? My choice was OEM manners over max power - it proved that by pulling the caravan to and from Curbs in 5th gear with under 1500rpm on the tacho (currently 30mph/1000 with the bigger wheels/tyres).
OEM manners, 200+bhp and reasonable economy are essential for this car, I have a race car so this is my road car and I don't want to be putting £30 of super unleaded in eveytime I go to the shops like in my Cerbera :lol:


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Re: Middlebridge-esque GTC

Post by philhoward » Thu Aug 25, 2016 9:34 am

I suspect you might get a lot of creasing on the side windows if in the hood? Wife's Saab 900 convertible (a '97) has separate electric windows in the body and that's a power hood as well (with the solid cover for the hood when retracted). If you want measurements/pics, just shout.


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Re: Middlebridge-esque GTC

Post by philhoward » Thu Aug 25, 2016 9:42 am

turbster wrote:
philhoward wrote:Yep - the 3.2 (which has a forged rather than a cast crank if you fancy playing).

They're a bit like busses - none for ages then they all come along. Not many reach ebay for some reason. 2.5 manuals are usually easier to find (!) and are 174bhp I think - or 190 if you fit 3.0 cams (and possibly a chip). Hidden way of getting a cheap one is if they think it's got a failed head gasket - it's usually just the oil cooler failed (it sits in the water jacket inside the vee). Most 3.0/3.2 manuals are ex-plod by the way although the occasional non-plod 3.0 does pop up from time to time.

I'm not sure if anyone has managed to fit a Jag V6 in something else and use the original ECU? My choice was OEM manners over max power - it proved that by pulling the caravan to and from Curbs in 5th gear with under 1500rpm on the tacho (currently 30mph/1000 with the bigger wheels/tyres).
OEM manners, 200+bhp and reasonable economy are essential for this car, I have a race car so this is my road car and I don't want to be putting £30 of super unleaded in eveytime I go to the shops like in my Cerbera :lol:
I believe 40mpg is possible if driven reasonably gently with mine although it's tricky to tell when my Odometer still doesn't work at the moment :oops: but this from my project thread:
philhoward wrote:Well, for the first time I managed to try and get some idea of how the Scimega is on fuel "commuting" to Curborough. Did about 150 miles over the weekend and I think it used just over 16 litres of 95RON unleaded (based on the position of the fuel gauge when we left home on Saturday, I put 16 litres in on Sunday morning and it's about the start position when we got back on Sunday afternoon). That's about 40mpg based on a quick calculation.. I'm pleasantly surprised, given a few bouts of playing with an annoying Passat on the A38 and some horsebox overtaking along the way.

I was hoping for high 30's on a good run, so good to see it lives up to the expectation! A genuine 40+mpg is therefore possible if I don't "play" as much - but it's soooo tempting to stretch the legs! I'd forgotten about the growl that comes in at about 4500rpm ;)

3.0 V6 Scimitar and 40mpg? Yep.. Just add 12 valves 8)
I reckon it still does over 20mpg towing..


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