Author Topic: my 1991 R5 GT Turbo  (Read 44517 times)

bluntyr5gtt

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my 1991 R5 GT Turbo
« on: 19:26, Sun 15 November 2009 »
here is the link to the car iv bought today :)

http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... 3D1&_rdc=1

looks a real bargain first plan is to get it up to mikeanics and have it tuned on the rolling road make sure everything is running spot on then ill be looking at a group a carb and a ktr 180 turbo

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

LEE

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Re: my new R5 GT Turbo
« Reply #1 on: 20:02, Sun 15 November 2009 »
Looks very nice and welcome to the site !!
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bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #2 on: 20:08, Sun 15 November 2009 »
Quote from: "LEE"
Looks very nice and welcome to the site !!

thanks mate :)

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #3 on: 15:34, Mon 16 November 2009 »
right guys id appreciate it lots if you could help me out with a few engine tuning questions

i want around 170 bhp now iv been looking around and seen that ktr do an in car boost controller which should get it to 150-160bhp is this a good first step also im thinking of getting a group A carb on there along with a ktr downpipe

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #4 on: 15:54, Wed 18 November 2009 »
right iv had a good talk with mark at gt motorsport and he has advised me fit an uprated radiator to help with the temps and a uprated fuel pressure regulator along with the group a carb to sort the fuelling, he advised doing any of this before whacking the boost up as he tells me it would only end in expensive tears

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

H150GTT

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Re: my new R5 GT Turbo
« Reply #5 on: 17:41, Wed 18 November 2009 »
Hi mate
Was wondering if you had spotted this thread posted by one of the members??
viewtopic.php?f=10&t=3478
It will point you in the right direction.
As for the Grp A carb....  I wouldnt bother as a rejetted std carb works far better. The link below will take you to the topic regarding the carb jetting.
viewtopic.php?f=14&t=1471
The fuel pressure regulator should be fine..  Its the fuel pump you may want to uprate.

Hope that helps  :wink:

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #6 on: 20:32, Wed 18 November 2009 »
thanks mate appreciate the help :)

think my plans are as follows

gt tuning radiator
uprated fuel pump and regulator
ktr downpipe
group a carb or rejetted carb
fit t25 turbo and have the boost set to around 16psi

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

baby blue r5 gtt

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Re: my new R5 GT Turbo
« Reply #7 on: 17:15, Thu 19 November 2009 »
looks well, i'd lose the seats and exhaust tho  :D

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #8 on: 19:45, Thu 19 November 2009 »
the seats are defo going trust me lol, thinking of putting some rst recaros in there, whats wrong with the exhaust fella ?

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

Ash-Lee

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Re: my new R5 GT Turbo
« Reply #9 on: 20:15, Thu 19 November 2009 »
Quote from: "bluntyr5gtt"
the seats are defo going trust me lol, thinking of putting some rst recaros in there, whats wrong with the exhaust fella ?

Looks the same as my exhaust. Just needs lifting up a touch that's all. Probably loose rubbers.

baby blue r5 gtt

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Re: my new R5 GT Turbo
« Reply #10 on: 09:32, Sat 21 November 2009 »
looks like the 4" drain pipe, doesnt suit in my eyes

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #11 on: 05:14, Sun 22 November 2009 »
taking the car to gt motorsport this coming week to have it tuned up as its not running as well as it should and also needs a bit of the wiring sorting on the dash as the heaters work when they want and also the boost gauge and speedo are a bit iffy

iv also ordered a samco induction hose as it doesnt have one at the mo and an baileys dv24 dump valve to replace the forge one i have

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #12 on: 22:07, Mon 23 November 2009 »
got my car booked in at gt motorsport this friday for the following

fix oil leak
fix boost leak
set boost to 14 psi
set up carb
wideband lamba check to get the fuelling spot on
get the gtt  ram raid induction kit fitted
also took the spare t25 up there with me he said its in great condition and seems to be a hybrid

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm
 

baby blue r5 gtt

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Re: my new R5 GT Turbo
« Reply #13 on: 22:24, Mon 23 November 2009 »
very good, whats the damage on that lot? need mine setting up once its back on the road

bluntyr5gtt

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Re: my new R5 GT Turbo
« Reply #14 on: 22:27, Mon 23 November 2009 »
100-110 all in :) hes awesome up there wouldnt trust anyone else with my car

T28/t2.63 (cossie comp housing,t28 comp wheel,t28 shaft/turbine)@23psi
ported head
cat cams 285 cam,springs and vernier
bjr downpipe/elbow
turbo back 2.5" bore longlife system
tubular manifold
fully rejetted carb
Ramair Induction Kit
cosworth 2wd Intercooler
Lowered 50mm