Air inlet technologistics

[Roast'em]

What do you guys think is a better air inlet combination for my 331?

75mm Accufab $275
AFM powerpipe $232
80mm Pro M mas $300
total: $807!!

or

70mm accufab $266
MAC fender cold air intake $129
75mm Pro-M bullet $210

total: $605

When it comes to looks, I think they're both about equal. How much horsepower difference are we talking though with the smaller second setup? I was thinking the second setup might be good for some serious velocity on the air intake. The cost is an issue too since I'd like to be done asap.

[mnstang]

that 1st setup would be SWEET to have, i would love it, would look really nice!
but to be honest i don't think it'd be worth very much power at all. but you'd have room to grow more down the road with 1st setup.

[theduckylittle]

Why do you not match the TB to the MAF size? This may be a 5.0 thing that years of bench racing and dyno runs have proven. But I'd think, theoretically anyway, that you'd want to disturb the air flow as little as possible by having a unified inlet size.

And surprise, surprise, I'm going to suggest this... If you wanted the bigger MAF and TB (which I think might be too big from my impression of your new setup -- again could be wrong... but you won't see big gains if your displacement isn't large enough). Anyway, my suggestion would be to build the cold air intake yourself. Could probably be done cheaper without sacrificing quality/looks depending on how you want to do it.

-Duck

[mnstang]

what do you mean duck???? a hi-winding 302 can suck as much or more air than a built stroker. - which would also require bigger maf and tb etc.

maybe the smaller size of the tb is due to the sharp bend right before it? i dunno, i don't care, that's how it is and that's how it works. bigger maf than TB.

[Roast'em]

Originally posted by theduckylittle
[B]Why do you not match the TB to the MAF size? This may be a 5.0 thing that years of bench racing and dyno runs have proven. But I'd think, theoretically anyway, that you'd want to disturb the air flow as little as possible by having a unified inlet size.

Good point, since the price diff on the 70 to 75 is like 5 bucks I think I may just go with a 75 no matter what. I will need to have the intake inlet port matched to the tbody though.

I really don't think the first setup it too large for my engine, but were talking about 200 bucks here. That's quite a bit of dough for me since I obtain my money the old fashioned way with a job.

[Roast'em]

oh yeah, aren't those cold air intake setups 70 millimeters on the top portion?

[LX Sport]

i agree with mnstang, id go with the first set up. with a 331, it wouldnt take much (if your not already there ) to out grow a 75/70 comb, i could be wroung though, spend the xtra cash and get the first one, could be very worth in future

[theduckylittle]

I mean that 70 mm is A LOT of air-flow.

-Duck

[bullitt]

Are you using the 75mm TB on the stock short block? Are you going to port the upper to 75mm? I would think a 70mm would be fine for a H/C/I 302. I would definitely get the 80mm MAF and the Anderson PP though.

Jake

[Roast'em]

I know the best setup for the job. But 807 bucks holy bajeezus!! I need a freakin raise.

[theduckylittle]

Rob... I'd be willing to help fab up a cold air kit (something nice) that we could get together for a more reasonable price than the $200... that way you could get the bigger hardware you want and just put a little more creativity in how to do the cold-air kit.

-Duck

[bullitt]

Go to a muffler shop and try to get something fabbed up. Then just get your own fittings and such. Should cost alot less than $200.

Jake

[Roast'em]

The engine has a really nice looking polished theme. I think it would be tough to fabricate something that looked as nice as some of the other peices. I may have to do something temporary though until I can afford the power pipe.

[theduckylittle]

Well - I dunno rob... if you did it using the exhaust pipe bends (IMO-the cheapest/easiest stuff to use and look nice) you could powder-coat it very inexpensively and you can get the chrome-looking powder-cost or the nice looking blue or red stuff (looks like it's anonized).

Do you have a Pic of the AFM Power Pipe? Maybe I can stop by a surplus shop here in GF and see about how much it is for some of the parts to build it.

-Duck

[bullitt]

Jake