Engine conversions

Commercial Conversions

Engine	BHP	0-60	0-100	Top Speed	RPM	Weight gain	Price	Warranty	Supplier
Honda Normally Aspirated Honda Supercharged	220 BHP 380 BHP	4 Seconds 3.65 Seconds	9.5 Seconds 8 Seconds	165 MPH	8600	~15 Kg's (NA)	From £8,750 + VAT From £12,400 + VAT	12 Months	HondaElise
Honda & Honda SC	220+	4ish	<10	160ish	8500		£9,400 upwards	12 months	Essex Autosport
Honda	235	<4	<10	160	8500		Full kit £3141 + ECU	12 months	Stark Automotive
Honda JDM spec	238	around 4	under 10	155	8600	37 kg	€23.900 inc TÜV	12 months	Komo Tec
Audi	250	4.6	under 10	160	6900	40kg	£9950		Auto Teknix
Audi	300+	under 4	8.5	170+	6900	40kg	£12950		Auto Teknix
Duratec	180	No one will say	No one will say	No one will say	?	15kg	From £4,500 kit - £7,500		Essex Autosport
Duratec	205	No one will say. Yes they will, 240-250bhp version is about 4 and keeps up just fine with an NA Honda (and I own both)	No one will say	No one will say	?	15kg	£9,400		SW Lotus
V6 Yoda Block	200	In production	In production	In production		75kg	£?	6 Months	Woodsport

All data comes from supplier's websites

Dyno Plots

Not all conversions will result in identical power output. These are just examples of what is achievable.

Audi 250 vs Audi 300 vs N/A Honda vs S/C Honda

Number of Conversions

These numbers are largely hearsay, but can be considered as pointers to get you started on hunting for more info:

  * 41 Audi conversions by Bernard [1]
  * 300+ Honda conversions kits supplied by HondaElise
  * 100+ Honda conversions kits supplied by Stark Automotive

Videos of 0-100 etc

Just in case you don't believe the numbers above:

  * Exige NA Honda S1 Exige vs S1 Exige