Blow Trough

There's so much freaking content in this thread ace job op

I've literally never heard of a blow-through turbo.

Explain

>>16275658
It's as the name implies, turbo pumping through a carb

>>16275651

What I've heard is that they're a pain in the ass to set up. The beauty of fuel injection is that a piggyback or standalone ECU allows you to change the amount of fuel going into the engine with a laptop while doing the same thing with a carburetor is much more of a hassle. A programmable fuel injection computer is definitely the way to go.

BTW: I got that same shitty chink breather filter on my catch-can lel

>>16275651
God no. Blow through carbs are an inefficent nightmare. Just go for an EFI conversion or a supercharger if you want carbs

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>>16275665
>>16275668
Valid points, I just find it intresting.

Also, wouldn't it matter on what kind of carb it would be running through?

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>>16275675
Yeah, apparently* some carbs don't give a fuck, but most regular carburetors will not work under boost, requiring special (expensive) carbs that are rated for boost.

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>>16275690
yea, I heard that the webber 32/36 / Holley 5200 were good contenders.

I honestly think that most issue one would face would be tunning the mixture and the fuel pressure

>>16275690
>>16275707
Its hard, turbos require much more precise fueling over the range than carbs can provide. And EFI is much smarter and can detect issues before it goes bang. You really dont want your fuel leaning out under boost because you tuned it wrong.

>>16275651
>needs a special carburator
>needs a special fuel pressure regulatur
>pain in the ass to set up

EFI is the way to go.

>>16275675

What is that sexy beast?

>>16275715

Exactly. Plus, most ECUs on the market can also handle the ignition which helps massively. If anything, like I said earlier, sheer convenience is reason again not to go for a blow-through setting.

Carburetors are deprecated, so no, not worth it.

>>16275651
In my opinion it makes sense for drag racing, most of your tuning will be made for full throttle and full boost, plus you could make small adjustments on the track with only a screwdriver. However, if the engine has to be optimized anything other than full throttle only, efi is the way to go.

blow through?
fuck no

draw through

>>16275681
Fuck yeah Gemini!

>>16275783
Makes no sense for turbos and centi superchargers, ethanol fuel can damage some superchargers.

>>16275795
it makes perfect sense, especially for ethanol.

as it atomizes, it cools the charged air.

tuning is the simplest, and no specialty carburetor or fuel pump has to be fabricated.

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>>16275804
What about intercoolers anon?

>>16275804
>>16275795
You're both not incorrect, just that one of you is arguing for reliability and longevity and the other is not. Regardless, carbs on a turbo is more work than efi. The whole joy of carbs is that it's cheaper to get to a good level of fuelling on a modified engine than with efi, or it used to be.

>>16275825
if you need an intercooler and plan on running that much boost, do fuel injection.

>>16275651
needs a special sealed carb that is modified for boost (carbs meter fuel via vacuum) with solid fuel floats and a rising rate fpr. It will still be a bitch to tune for part throttle driveability and WOT enrichment. Most never run 100%
>>16275783
draw through has its probs too. you need a short as an intake path as possible(fuel pooling), can run no intercooler and can't run an atmospheric bov (will vent fuel vapor). If I was going carb it'd be a draw through but even a junkyard tbi system off a truck with custom software would be better.

e.g. chevy 350tbi, 9C1 injectors and a 454 throttle body.

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>>16275651
you will never hear a holly 4 barrel with 20 pounds pushing though it at WOT

>>16275651
No, you need a specific type of carb or else the setup will run like shit always

Depends on application. For some to be driven on the street an EFI will save you alot of headaches. If you are just concerned with max performance at minimal cost it is. Fine. Heck it even cools the intake a bit

>>16277149
yea that's what I was thinking.

>>16275743
ULTIMA GTR TT

How would a blow through work in a motorcyle? I've heard of people runing them.

Would a small displacement be better than a large dispplacement? or would it not matter at all?

>>16277277
It shouldn't matter, just size the turbo do the flow and not give a shit about a wide range of performance and effiency, and in the case of a bike, living.

>>16275793
So underrated!