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I had my GJ SE sedan grossing 3.74t, still have weighbridge docket, was doing scrap run. Ooops!

I should have been more specific guys, it used to have the 63 but i built a astron 2 for it, with the sigma turbo ex.manifold, and a magna efi intake manifold rwd'd. If it were not so daunting, i would show a few pics. I havn't yet seen a wide body starion, but the way you guys are going on about th...

Hi everyone! Has anyone here ever tuned a haltech e6x themselves? i am trying to get my brothers car going(ja starion, 2.6 multipoint, cooled) it runs because it has a base map but is very lean, and the changes we make to the fuel map through the laptop do not seem to get applied. Any sugestions? Ch...

the sigma turbo operators manual states 98, which is highlighted by the warning as soon as you open the fuel door(though octane not specified, just says PREMIUM FUEL ONLY).

Hi, the best way to high comp on a super tight budget, is to run Astron 2 pistons(flat top) with an Astron 1 head. That will bring the comp up to around your target.(Astron 1 head will bold straight onto an Astron 2, if budget dose not allow an engine tear-down). If you don't let it detonate, it wil...

Hi Trent, if it is not to late, i could possibly help out with that, as i am busy with work i wont get around to it till Sunday, there are also a fair few bends and angles to contend with! As one of my Sigma turbo's is missing one of its shields( the little known about one under the carby), i may ne...