GP Turbos

GP Turbos GP Turbos offer high quality turbo upgrading, personalised hybrids, repairs and reconditioning is our

28/02/2026

Someone else saying what i say every week!

28/02/2026

Please watch. I wish I had done this video 20 years ago! Instead of explaining this every single day 🙃

I'm having a clear out? a couple of budget turbos ideal for a VWDRC drag racers.One unit is a GT307658 garrett copy turb...
18/02/2026

I'm having a clear out? a couple of budget turbos ideal for a VWDRC drag racers.
One unit is a GT307658 garrett copy turbo [ £250]and one unit is a T66-3 (T04Z) garrett copy [£350] both fully reconed with uprated bearings, seals including total seal turbine seal and motor sport balanced
Oil and water cooled, HIGH-FLOW compressor housing with anti surge

GT307658 Technical data:

Turbine:inducer: T3
Outlet: bolt
Diameter: 60 mm
Trim: 84
A/R: 0.82

Compressor:
Inlet: 100mm
Inducer Diameter: 58mm
Trim: 56
A/R: 0.60

Features:
Plain bearings

Areas of application:
Displacement: 2.0 to 3.0 l
Performance: up to approx. 500PS
Max. boost pressure: 1.8 bar

Turbo model T66-3 T4 T04Z
Performance up to approx. 650PS

bearing type:360 degree thrust Journal bearing

cooled type:oil cooled

Compressor details

a/r 0.70 anti-surge

air inlet 4" air outlet 2.5"

inducer 66.60mm exducer 84.00mm

Turbine details

a/r .63

turbine housing fl**ge: T4

Exhaust outlet:3.00 inch V-band

inducer 74.10mm exducer 64.50mm

The last couple of jobs in 2025 were just completed for a fellow VWDRC racer (been another busy year and seem to have pa...
30/12/2025

The last couple of jobs in 2025 were just completed for a fellow VWDRC racer (been another busy year and seem to have passed very quickly)
Happy New Year to everyone, and I hope 2026 is even better.

16/09/2025

Anybody who needs to contact me please email as phone is dead?

Update everything back to normal?

Completed this week for a customer (made to order) Hybrid Billet Turbocharger to fit Mercedes BENZ A45 AMG CLA45 GLA45...
06/08/2025

Completed this week for a customer (made to order) Hybrid Billet Turbocharger to fit Mercedes BENZ A45 AMG CLA45 GLA45 AMG M133 Turbo to suit Stage 2 mapping

Stage 2 Hybrid comprise:

Billet Compressor Wheel with taller blades and extended tips.
Polished compressor housing to suit.
uprated 360 degree thrust kit
Trimed/flowed turbine wheel with lightened modifications for quicker response and optimised flow
flowed turbine housing to suit turbine wheel
Turbocharger fully blueprinted /balanced to motorsport specification

enquiries contact gpturbos.com

One job this week is a little different from the normal automobile turbos. A couple of borgwarner K26 turbos from Vol...
02/08/2025

One job this week is a little different from the normal automobile turbos. A couple of borgwarner K26 turbos from Volvo marine engines in for repair/ reconditioning reporting lack of performance. These are common for severe corrosion to turbine housings and turbine wheels, resulting in excessive running clearances dramatically affecting their operation efficiency.

A little update on demo car build.Some head work photos. Freshly cleaned and checked, valve guides and seats sorted out,...
15/07/2025

A little update on demo car build.
Some head work photos. Freshly cleaned and checked, valve guides and seats sorted out, optimised port flowing, port matched to manifolds, minimum head skim, then assembled new valve guide seals, with full supertech valve set with full upgraded springs and titanium keepers and collets.
Just waiting for performance cams to arrive?

Starting to build a different high power engine for demo car. Few pictures of parts for balancing and block going for ov...
12/07/2025

Starting to build a different high power engine for demo car. Few pictures of parts for balancing and block going for over boring and decking?

A few more parts arrived, supplied and built by another VWDRC supporter RTMG Performance for the new demo VW Golf.Includ...
03/03/2025

A few more parts arrived, supplied and built by another VWDRC supporter RTMG Performance for the new demo VW Golf.
Including Upgraded DSG DQ250 dual mass flywheel, DSG DQ250 Torsen limited slip differential and DSG DQ250 upgraded clutch stage2 1100nm.

Sorry for the lack of posts recently, but I've been very busy. Recent customer job completed and a blast from the past. ...
10/01/2025

Sorry for the lack of posts recently, but I've been very busy. Recent customer job completed and a blast from the past. Original turbo T3 466644-0001 from an Es**rt rs turbo- turbo had been recently repaired very badly by someone and the car was running very badly.
So we built a custom hybrid, customer did not want big power just something more suited to the vehicles modifications.
So fitted
Up-rated main bearings
360deg large pad thrust bearing and thrust assembly
Turbine wheel trimmed and flowed
Balanced to higher tolerance than OEM
Larger high flow Pressure Billet, extended tip Racing compressor wheel
Compressor cover machined to match Compressor wheel.
Replacement Turbine housing flowed
-34 actuator
Item was made to order see www.gpturbos.com

Address

Welbeck House
Scunthorpe
DN163RF

Opening Hours

Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 1pm

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