Grunt

[350matt]

Hello all I''ve recently had my car rolling road tested and I was putting out 246Bhp at the wheels corrected back up to 273 at the Flywheel. I was wondering how my tuning efforts compared with the factory''s. Has anyone else rolling road tested their car? Ta Matt

[monaco]

Matt What mod's have you made to get this figure ? are these from a 350 ?? I had my chim 4.0HC R/Road tuned and it came back with a figure of about 180bhp at the wheels, about 225 at the fly. I was rather disapointed at first but after talking to other members this seems to be around the correct figure as the factory figures are way over the top !!!

[350matt]

Well the spec is; 3.9 Ltr block Much head work - large inlet valve with porting and combustion chamber work 3 angle seat and 10.8:1 compression Rhoads lifters / followers Isky 278° cam Grp A trumpet set (45mm x38mm) Bored out throttle body Cut & shut inlet plenum to increase capacity lightened, balanced bottom end etc All controlled by an Emerald mappable ECU Just need to sort the body out now having crashed it 4 weeks ago Can anybody reccommend a good fibreglass bodyshop around Northampton? Matt Edited by 350matt on Tuesday 10th July 22:33

[dragon]

Errrr....just a few mods then!! What did you think of the emerald ecu? What power/difference did it give?

[350matt]

I can't say how much the Emerald ECU is worth power wise as I've always run it ever since I started modifying the engine a couple of years ago. I would however reccommend the unit to anyone as it has been reliable, easy to use and very reasonably priced (£600). Quick run-down of the features; 3D spark & fuel maps Hot programmable Windows / excel compatible No funny programmer etc required boggo laptop is perfectly fine 486/25 only. Closed loop fuelling Idle speed control TPS or MAP sensor input Water & air temp correction Software /code changes via E-mail It should be better than the standard ECU as the spark is mapped as opposed to the std clockwork / distributor. Go and have a look for yourself. http://members.aol.com/emeraldm3d/ Matt

[shayes]

I took a look at the Emerald site - looks interesting. What did you buy from them for your 350i in fact what do you get for your money - is it just an ECU? And by the sound of it you're happy. Cheers Sean & 420 SEAC

[350matt]

For my 600 quid I got the ECU Wiring loom - requires splicing into car loom Air & water temp Sensors software Comms lead Ignition ampflier Bear in mind that this system is not a plug in replacement, you have to do a fair bit of wiring and then to have to map it! At that point you'll believe the carburettor to be the finest piece of engineering you've ever seen. Matt