M20 B3x Naturally Aspirated Stroker build past, present and future

[JasonBates]

Mother of God. This is awesome.

[Bmwdayz]

Seriously awesome dedication to the M20!

[SkiFree]

Bout time you put this into writing, looking forward to seeing where you go with this.

[litu]

Awesome project :)

[digger]

been making an airbox to seal off the throttles

some 50mm extruded polysyrene sheets

i laminated the sheets to build them up to about 250mm deep but you can get the stuff that thick





some woven glass twill and epoxy resin still building up enough layers. no pics of mould but you get the idea. i did test fit the foam mould and scultured it to fit in but obviously could not see how the trumpets fit inside. it clears the hood and booster





a laser cut aluminium plate that will be incorporated into the plenum sandwiched between the adapters and trumpets



hope the darn thing fits......it will need a removable lid to bolt the trumpets inside. i might need to get some slightly curved extensions for number 1 and 2 to curved them down ever so slightly get them inside

i need to make an oven to post cure the epoxy at 80C for 8hrs to be able to handle the temps

[LJ851]

Fantastic !

[The Dark Side of Will]

Yeah... DIY composites are pretty badass, especially with ETC resin.

[MasukBMW]

Bump! Need more now.

[digger]

a little progress

still need to build up some top coats of epoxy and cut it back smooth to get rid of the textured finish

[CorvallisBMW]

Wow, not sure how I missed this thread until now. Amazing work and knowledge!

[Luis325]

Nice work man!

[F34R]

I love seeing what can be pulled out of the m20, I really want to build my m30 up like these m20s.

[88SuperETABD]

awesome work, and awesome numbers!!! m20 PooowWWWa!! Keep it up!

[ADOPEWITASCOPE]

I want to do this so bad...

[JCarp90]

Threads like this simply remind me that all I am is an ape that figured out how to turn a wrench.