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Latest news from Horsham Developments

Ultima GTR build update – July 24

Just a small update on how the Ultima project is coming along, some progress has been made in a few areas of the car... to start,…
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PAAA AGM

28th March 2024 was the Performance Automotive Aftermarket Association (PAAA) annual general meeting at Silverstone. The main focus on this event was a discussion surrounding safe…
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Ultima GTR build

We're building an Ultima GTR - this has got to be one of the most drawn out projects ever. We've had the kit for over 10…
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VQ35DE full rebuild

A good customer of ours brought in his 350Z as the engine was in bad shape. We chose to go for our fully forged rebuild. This…
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350Z HR VQ35HR high idle fix

High idle problem on 350Z with HR engine? There is a bug in the 350Z HR ECU (with the VQ35HR engine) that can make the idle control…
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Dyno power figure calculator

There is often a lot of chat about how to compare power figures from various dynos. Some dynos read higher or lower than others. Here is…
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VQ35 twin turbo build

A few pictures of the H-Dev VQ35 twin turbo project. It's spec'd to do up to 800bhp. Parts used: CP pistons Manley rods Kelford cams ARP…
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Ohlins install

Lovely 350z HR in for a full Ohlins Road and Track coilover install, camber arms, droplinks and full geometry set up
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