AP Racing Engines Ltd

AP Racing Engines Ltd We specialise in Rolling Road Tuning for Track, Rally and road cars, We map most standalone ECU and Carburetor cars +44(0)1623 490777
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We are specialists in road, race and rally engines. We have a 2wd SuperFlow rolling road. We map standalone ECU such DTAFast, Emerald, Omex, MBE, Ecu Master and many more. We also tune many carburetor engines and stock all Weber jets.

Great session on the dyno with GBS and their Mazda powered Zero.
27/05/2026

Great session on the dyno with GBS and their Mazda powered Zero.

27/05/2026

Ian brought his Millington DS2+ powered Mk2 for full mapping. We found power top end and mass amounts of Torque between 3,000 - 5,000 rpm. Gorgeous car. Mapped by us on DTA ecu . Listen to her sing

24/05/2026

Yup she is as low as a lawnmower! We recently had the absolute pleasure to dyno this stunning Hot Rod. Absolutely stunningly well prepared car. Listen to her sing

21/05/2026

The sun is shining and these beautiful machines are out in force. This is a Mazda MX5 powered GBS Zero with Emerald K6 ecu in for full mapping. Listen to her sing

20/05/2026

Class 6 Autograss race car with XE power. Full dyno mapping, stump pulling torque. Mapped by us on ecu. No bouncing, jumping or inertia runs just a controlled loaded run. Listen to her sing

16/05/2026

Stunning RSR Mk1 with 300 BHP Duratec in for diagnostics and map clean up. Pleasure to work on . Mapped on MBE 9a4

The simple reason for larger ports, valves and cams is to increase air flow. Any restriction at any point will diminish ...
13/05/2026

The simple reason for larger ports, valves and cams is to increase air flow. Any restriction at any point will diminish any other improvements as that becomes the limiting factor and in this case the restriction in air flow.
We have this cylinder head in for improvements as was ported elsewhere. It has +2mm valves and new valve seats.
We have re-cut the valve seats and increased the size of the I.D of the valve seat. This allows greater flow around and behind the valve ( taking advantage of the larger 35mm valve).
BUT as you can see it has left a large step where the original valve seat was, demonstrated the flow restriction.
This will of course be rectified before we rebuild it for our customer.
This is by no means a criticism, it is a message about where gains and losses can be found. So if you want to get the best out of a 35mm valve then don't put a 30mm hole / restriction in front of it.

Massive congratulations to Jason Wilson on his win at the Weekend at 3 Sisters in his AP Powered Darrian
12/05/2026

Massive congratulations to Jason Wilson on his win at the Weekend at 3 Sisters in his AP Powered Darrian

11/05/2026

Great results from Paul Ress at Fulbeck. 12 th O/A and 4th in 2 litre class in his AP Powered XE

08/05/2026

Gorgeous Renault Clio Rally car in for diagnostics, wiring issues and then full mapping on DTAFAST. Too much video footage of Andrew though 😂

Address

2 Burma Road, Blidworth
Nottingham
NG210RT

Opening Hours

Monday 10am - 5pm
Tuesday 10am - 5pm
Wednesday 10am - 5pm
Thursday 10am - 5pm
Friday 10am - 5pm

Telephone

+441623490777

Website

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