Benton101 Posted September 9, 2012 Share Posted September 9, 2012 Hi all. I have recently decided to build a c20let manta b. theyre just old school and look great. I'm totally new to manta's so I was wondering what gearbox is the best for this. I will have a 400bhp 20let. Also what mounts work for this as Iv read some have to be fabricated? Cheers Quote Link to comment Share on other sites More sharing options...
gt4_ade Posted September 9, 2012 Share Posted September 9, 2012 omega box will be ok for that power. depends what turbo set up your using for mounts if you go top mount then 1.8 mounts will work if not you will have to use a different mount for turbo side Quote Link to comment Share on other sites More sharing options...
rutts Posted September 9, 2012 Share Posted September 9, 2012 talk to kev abbott he has the full set up for sale engine box all bits to fit it in a manta. look on parts for sale section. Quote Link to comment Share on other sites More sharing options...
Retro Power Posted September 12, 2012 Share Posted September 12, 2012 as ade says, vauxhall Omega gearbox, ideally 3.2 v6 or 2.2 diesel (both fit) is a pretty strong box, we've been using one with 425hp reliably. They have started breaking now with 574hp Quote Link to comment Share on other sites More sharing options...
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