Blow through MAF users check in

[480sx]

Im thinking of running a blow through setup on my Ka-T and am wondering what kind of results you guys have had with that setup. I would be most interested in the Z32 Maf, but i guess all nissan mafs would have similar results. From what i gather the best place to put the maf is on the cold pipe near the throttle body, or next to the IC.

Heres a few questions i have for the blow through guys..

1 - Are you running a FMIC?

2 - What boost levels do you usually see?

3 - How long are your MAFs lasting?

[idahotuner]

MAf are designed to read throug ha vaccum not pressureized air. MAF wont last long. plan on replacing it every month or so lol.

therer are soem good benifits. but not enough

[480sx]

I was asking for first hand experiance, from people who run blow through setups. Also, there are plenty of people who have run a blow through maf setup and had their mafs last for a good long time, enough to justify running a blow through. Im asking for peoples experience with a blow through setup, thats all. It would be a good thread for people looking to run blow through. I have done my homework on blow through setups, but have yet to find many testimonials from blow-through users.

EDITED FOR RUDENESS


Modified by 480sx at 4:51 PM 12/14/2007

[redtop91]

I've worked with blow thru setups on factory MAF's and everything idahotuner said is correct. Blow thru has a direct effect on a MAF's lifespan. I've helped setup blow thru's on a couple of my Toyota friend's setups and the MAF lasted anywhere from 2 weeks to a month. Most of the 3SGTE swapped MR2's I help with boost aroun 16 or so PSI on a Greddy TD06.
Modified by redtop91 at 8:23 PM 12/14/2007

[480sx]

My intention wasnt to be rude if i came across that way i apologize. My question was very specific however.

I guess i kinda took offense to his post for no good reason.

[idahotuner]

hey it is cool. i didnt see whah you posted fist time around. but the reason i answered that is cause i was thinking about doing a blow through set up. and when i learned the info i gave above i changed my mind.

[IanS]

I switched to blow through for 1 month, I ruined my first MAFs in the first week, the second one went 3 weeks later, that is when I switched back to normal, I was running 12 PSI at the time.

[480sx]

What MAF were you using sideways? It seems that the smaller mafs are awful for blow through, while the z32 can hold up for a bit to the abuse.

I was running megasquirt before i realized that its not a very good daily driven ECU, so i welded a R2D2 to my hotpipe.. Those things are impossible to run recirc, thats the reason im thinking of going blow through. However if im going to be burning through mafs once a mounth or so its a complete waist. Z32 mafs arnt cheap..

[codyace]

What MAF were you using sideways? It seems that the smaller mafs are awful for blow through, while the z32 can hold up for a bit to the abuse.

VERY few people that I know who have run blowthroughs (which is a small amount to begin with) have had success, both of them being DSM owners....

so i welded a R2D2 to my hotpipe.. Those things are impossible to run recirc, thats the reason im thinking of going blow through. However if im going to be burning through mafs once a mounth or so its a complete waist. Z32 mafs arnt cheap..

What is an R2D2? Do you speak of the HKS Super Sequential? They can most certainly be recirculated!

[480sx]

Sard r2d2 type 2, cant be recirced. Its this thing --> http://www.hopupracing.com/sar2bloffvak.html

[codyace]

Sard r2d2 type 2, cant be recirced. Its this thing --> http://www.hopupracing.com/sar2bloffvak.html

Wouldn't you think you'd be better off just selling that valve, and or trading for one that would work? That to mean would seem the most cost effective, and easiest route to take.

[doridori23]

Why not eliminate the maf completely and run a map sensor setup?

[codyace]

Why not eliminate the maf completely and run a map sensor setup?

Because who wants to spend money on a standalone for a daily driver?

[480sx]

The freaken thing is welded onto my hotpipe.. I would have to spend about 200 bucks to get the other version of the BOV, and with christmas coming up the cash just isnt there. With the other version i can keep the part thats welded onto my hotpipe, and just swap out the valve itself. This is most likely what im gona do.

A tuned ecu is the best way to go for a daily driven, ACed daily driver. Map sensor setups are great but i already went that rout(megasquirt) and found that its not a viable option for a DD. AEM EMS is way to expensive for me right now, and i dont think it will do AC, could be wrong though.

The more i think about it the more i want to just swap out the BOV for a recirc.

I havnt heard one person with a positive experience with blow through, and a few people with bad experiences(maf not lasting more than a month, my definition of bad..). I dont wana spend 100 bucks per z32 maf if they are only gona last a month or so.

Nothings set in stone, i would still love to hear someone who has had a success story with a blow through setup, but it doesnt look like im gona find one.

[codyace]

I know this is odd for me to say without real experiene, but I honestly beleive that if Blow Through was superior, easier, and or better, that we'd all see more people going that route...ya know what I mean?

I'd say post up the hotpipe and bov combo for sale? Take the cash, get a run of th emill hotpipe from a vender, and a greddy unit, and be done....but we all know how flakey buyers are on our forums...

[IanS]

I know this is odd for me to say without real experiene, but I honestly beleive that if Blow Through was superior, easier, and or better, that we'd all see more people going that route...ya know what I mean?

I agree, and my experience tells me that the benefits do not outweigh the work, the juice is not worth the squeeze per say.