My Volvo 854 T5-R 591 hp/524 ftlbs project the story so far.

[591 bhp volvo 850]

RT Mechanics Ltd Demonstrator Car

THE PERIL - 1995 Volvo 854 T5-R



From a very early age I have always been car mad (of all types, not just Volvo

[591 bhp volvo 850]

Change from Automatic to Manual Gearbox

I ran the car for a couple of months like this while I sorted out my wiring loom for the rest of the SM4. I had also decided to make the car a manual at the same time as the power level I had planned would be too much for the autobox so decided it would have to go - I had only seen this done by a friend in the USA. He had a great write up on how carry out the change so a donor car was sourced and the pedal box/centre console/gear cables/flywheel/gearbox and new master cylinder clutch slave was obtained. At this stage I also added a gripper diff which a customer had wanted us to try and then fit one to his car

[Stuart]

Awesome
I was waiting for you to spread some details of the mighty yellow. As one of the only people on the site to have 'done' the Brighton Speed trials, you are more than welcome on here.
Looking forward to the rest of the project and updates

[591 bhp volvo 850]

Awesome
I was waiting for you to spread some details of the mighty yellow. As one of the only people on the site to have 'done' the Brighton Speed trials, you are more than welcome on here.
Looking forward to the rest of the project and updates

Hi Stu

Thanks i did not go any further until i work out why my photos are not working ?????

Russ

[Stuart]

Hang on They are for the forum, but I bet your user settings have images switched off. I'll amend it for you.

[Stuart]

Hit F5 in your tool bar or just refresh the page

[591 bhp volvo 850]

So I looked at the space I had and made a sketch of what would fit and then had this made for me. At the same time I removed all traces of the Air con as I knew this was not needed, and once the manifold was made it would not be possible to run with both so was happy to loose it.

After taking measurements for the intercooler it was amazing to see how little metal was across the front of the car so I decided to make this area much stronger with a much thicker material to get the strength back after modifying the front panel. I had also fitted all new boost pipes which took several attempts to get 100% correct !!






TURBO

By this time I had a power figure in mind that I really wanted to get to - 500 bhp which I knew was silly and not for everyone with a fwd Volvo but once this figure was in my mind I had to aim for this figure at least!!

I had seen a few Swedish guys/company

[591 bhp volvo 850]

THE UNDERSIDE

As the under bonnet appearance started to change design (many times as I kept changing my mind!!) I wanted to move the battery to the boot area to free up more room and also help with adding a bit more balanced weight to the rear. I soon realised that I could sit the battery in the spare wheel well perfectly and still keep the 18 inch full size spare (needed to fit over the brakes) so decided to run the main power and earth leads underneath the car to give the inside of the car as clean and neat a look as possible. My brother and business partner Andrew came up with the idea of stripping the underside of the car completely and repainting it in body colour underseal - something I had seen a few times at car shows and concour

[591 bhp volvo 850]

in was as easy as wiring two wires to transmit all the information the ecu sees. I could not wait to try out the new dash and had to decide how I wanted the layout, what information I needed to see on the display and which funtion

[591 bhp volvo 850]

ANOTHER ROLLING ROAD TEST

Another test I wanted to complete was to try a power run on race fuel (109 GT) which can give you excellent added power very easily. Its not a cheap mod, but what it gave me over the super unleaded fuel was an extra 54 hp so I now had 591 hp and 524 ft-lb