The story behind
the development of the X1 began when NRE’s founder, Jamie Noonan was the crew
chief on his fathers Top Methonal dragster in the late 80’s and 1990’s. Most
cars in competition in blown alky at that time were restricted to the KB/Venney
or similar heads from the US, but basically it was when the Hemi ‘Fathead’ came
into being in the early nineties that
the game changed and BAE basically had the market cornered with only minor
changes in design from that point until recent.
Jamie could
envision way back then ‘what if’ and when he elected to start his own business
in 2005, changing the business name to NRE in 2007 with his current partners,
Andrew Collins and John Noonan – the ideas that he had were hatched into the
current record holding Hemi series head that is available today .
NRE
now offer a range of X1’s, the NHRA X1 for Alky Funny Cars,
dragster & Pro Mod, A-Fuel and the ADRL based Xtreme PM/Blown
Alky series, valve sizes range from a 2.400” to a 2.480”, all heads
offer an optional internal fuel rail with down nozzles, and can be
ordered with a beryllium or iron (except 2.480”) seat, plus there are
custom exhaust flanges to suit.
NRE-X1
The background
started 4 years ago with a complete
re-vamp of existing offerings that for the most part stuck to traditional
designs dating back to the 60’s OEM version. Jamie and his head engineering
drawer - Joel Binnie, spent upwards of 300 hrs literally ‘on the drawing board’
before a 3D masterpiece was ready to then be programmed for CNC machining.
The next few months was then spent on pure Research & Development. The prototype heads spent time on the Spintron machine, which necessitated cutting up a perfectly good billet hemi aluminium block to bolt the heads on and test valve train configurations, using a laser to track valve motion on simulated passes. Pushrods, springs, a range of valves and various brand products were used to get the ‘sweet spot’ to make power and prolong valve train life.
The material the X1 billets are manufactured from are purchased from a trusted supplier here in Australia, being 6061 T6 high grade aluminium sourced from either Belgium, Western Germany or Kaiser Steel in the USA, complete with Mill Certificates for authenticity.
NRE- X1 Hemi 5th Axis CNC Machining