![]() Tech will print and add this to our binder. It's 145ps which is 143hp when converted. Mazda Miata ( 1999 - 2000 ) 1. RESPONSE: I found Mazdas official power rating from Japan: Make the best effort to validate the claim of horsepower increase at or under the 3% max. If not you need to claim points on the intake, cam, and header.Īs well I have websites talking no hp gain, 3 hp, and 9 hp. MAZDA BP ENGINE 98 99 00 MX5 WITH 6 SPEED MANUAL ECU WIRING HEADERS BP 1.8L MIATAFORUMS CAL SO CAL Los Angeles CANYON TOUGE DRIFT HOONIGAN SLIDE DRIFTKING. This engine featured lighter crankshaft and flywheel, as well. Mazda 1.8L Miata MX-5 Remanufactured Engine 1999-2005 BP-4W (Head Casting) 52 watching. With 114 horses, pulling this energetic roadster, 0-100 km/h acceleration is possible in 8.3 seconds. JDM 2001-2005 Mazda Miata 1.8l Engine Manual Transmission BP MX5 1.8L Engine 2. You must have a full JDM engine swap (and claim it), plus proof of purchase of a complete engine and number match to use the JDM square top intake, JDM cam, and JDM 421 header. Miata 1.6 NA (NA6)Technical specs: The 1.6 Miata started with an 85kW iron-blocked engine derived from the turbocharged engine used in the 323 GTX all-wheel-drive car. ***NOTE: The JDM 90-00 motor includes a VICS Manifold NOT SQUARE TOP, and we've been running the VICS not Square top, but we improperly identified it as a square-top previously. We're investing a lot in these races and I want to be sure we are 100% legal. If you can let me know ASAP it would be greatly appreciated as we are in the final stretch before Road America. There are a lot of these on eBay and they are easier to source than the USDM motors, which is why we got it to start. We do not see our JDM engine performing better than the USDM motor. We've confirmed that teams with NA8 (1997) engines dyno'ed in the 145s and we expect the USDM 99-00 motor to hit 150-160 since it has a much better head design. We've freshened the engine and we had the following Dyno results:ĭynoed at: 151HP with Pulley and SD exhaust (Before Road America)ĭynoed at 132HP w/o pulley and bad self-tune (After Sebring)ĭynoed at 145HP with custom exhaust and good tune (Before Road Atlanta)ĭynoed at 133HP with exhaust cam retarded a tooth and valve spring issues (Before VIR)ĭyno TBD - Added Port and Polish - 21" Intake (The goal is to hit high 150's) JDM 94-97 Mazda Miata / MX-5 BP 1.8L DOHC Engine Engine Serial Number: BP-069833 All the parts included as seen in the pictures for this engine: Complete Engine - BP 1. It also includes a square-top intake manifold, and 4-2-1 header, although the engine usually only comes with a 4-2 portion. It was used from front-wheel drive economy applications to the turbocharged full-time 4WD 323 GTX and rear-wheel drive Miata as well as numerous other models. Exhaust cam, pistons, rods, head, block, and everything else in the long block is identical to USDM. It includes a BP5A cam vs BP4W, the BP5A is advanced 2 degrees but the same lift and duration as the USDM cam. ![]() It was brought to my attention that it may not be and I wanted an official ruling. I wanted to confirm that a JDM Mazda Miata engine (99-00) is allowed under the swap rules.
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