Hybrid Phenolic Intercooler Aluminum/Phenolic w/ VW radiator install

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Originally Posted by 2003 SSEi

or tuned :p

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Yep. Still running stock tune with Aeroforce scan gauge to monitor KR.

Will an mini-AFC let me swap to 42.5 injectors without a tune?

Yes, That should be easily doable.

People used to tune with the miniAFCs all the time lol

the 42lbers are almost exactly 30% bigger, so set the dip switches in the afc to scale your maf by 30% up or down, whichever way that works.

Wouldn't the car be running rough and rich because the PCM cannot calculate fuel correctly. Instead of using a AFC get spare pcm and have someone make the changes you need for the 42.5 injectors and LQ4 Maf.

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Originally Posted by oldsman105

Wouldn't the car be running rough and rich because the PCM cannot calculate fuel correctly. Instead of using a AFC get spare pcm and have someone make the changes you need for the 42.5 injectors and LQ4 Maf.

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You are changing the AF the exact same amount you are changing the in injector size. It should be seamless.

Mini update.

I'm running 3.0 pulley with hybrid phenolic intercooler, gen 5, ported heads, front p-log, ported stock rear manifold and 1.9 yella Terra. (Stock exhaust and DP). Pretty sure I can jump to a 2.8 but it's winter.

I think I left out a fitting. You need 2 of these 1" barbed to 3/4" barbed. Anybody know where you can just get one not 10?

Eldon James C16-12BN Automotive Black Nylon Reduction Coupler, 1" Hose Barb to 3/4" Hose Barb

https://www.amazon.com/Eldon-James-C...CDDY9T5D3583A0

I wonder if there would be a noticeable increase in coolant flow if you swapped some of the coolant hoses from 3/4" to 1.25" instead of reducing the hoses down directly at the radiator inlet/outlet. obviously not all the hoses could be swapped because the intercooler core uses the 3/4" and the intercooler pump uses the 3/4".

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Originally Posted by sseilmnop

I think I left out a fitting. You need 2 of these 1" barbed to 3/4" barbed. Anybody know where you can just get one not 10?

Eldon James C16-12BN Automotive Black Nylon Reduction Coupler, 1" Hose Barb to 3/4" Hose Barb


https://www.amazon.com/Eldon-James-C...CDDY9T5D3583A0

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did you ever figure out were to get these

I got fittings in bulk.

https://www.ebay.com/itm/112443006584