rule inline blower
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Senior User
Joined: Aug 2007
Posts: 188
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From: high bridge, nj
rule inline blower
has anyone heard about this...my roommate just hooked one up to his intake to create force induction on his buick. there originally designed for blowing gas fumes out of boat engine rooms, they flow 200 cfm. some one is marketing them on the internet called ERAMS and selling them for 299.98, but you can make your own for around 50 including wiring and heat shrink. this added around 30 ponies and his engine runs much smoother. they make a 4" version which would be perfect for our trucks. i was wondering if anyone has done this mod or heard of it being done. does anyone know how this would affect the turbo, i don't want to over work it.
thanks for your input...
thanks for your input...
Postmaster
Joined: Sep 2006
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Originally Posted by medhvac
i dont really think you can make a turbo move more air by adding a blower too it! jmo
Post Fiend
Joined: Jul 2005
Posts: 14,582
Likes: 12
From: 21791
I was looking up the specs on one of our backpack blowers (echo pb755T) and it moves in the range of 1020cfm, and does it at an airspeed of over 200mph. Little 60cc engine on it and it responds pretty quick. Would work well on a dyno but thats about it.
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Joined: Jun 2006
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From: Fulltime RVer
Originally Posted by cleatus12r
It's like a compound setup. However, the electric fan/motor would have to move at least 300 grams/second to keep up!! I don't see that happening.
Here's another idea. I've seen ads in Motor Home Magazine for a blower motor to scavenge the exhaust. It attaches to the end of the tailpipe, and can be turned on and off from the cab. It's intended for gassers, but here's a link to it...
http://www.shabbonacreekrv.com/scavenger/faq.php
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Elder User
Joined: Sep 2007
Posts: 624
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From: Kalamazoo, MI
I don't think he's pushing enough airflow with his boat blower... those are basically continious duty hair dryers.
did he dyno it before and after? Heck, the supercharged 3.8L in the Grand Prix's is only rated at about another 50hp over the free-breather.. and it's supercharger is on the line of something like 1200 cfm
if he had a rough running engine before, he's better off looking for the vacuum leak he just disguised (junk PCV valve, maybe warped plenumn - both known issues on the GM 3.8L)
I'm not trying to pick on anyone, but I think he should have saved his $80. and put it toward a new intake plenumn
IIRC, to correctly run a hybrid system, the supercharger is between the turbo and the intake... like they do on the Detroits.
now that should give someone an idea...
this added around 30 ponies and his engine runs much smoother.
if he had a rough running engine before, he's better off looking for the vacuum leak he just disguised (junk PCV valve, maybe warped plenumn - both known issues on the GM 3.8L)
I'm not trying to pick on anyone, but I think he should have saved his $80. and put it toward a new intake plenumn
IIRC, to correctly run a hybrid system, the supercharger is between the turbo and the intake... like they do on the Detroits.
now that should give someone an idea...
Last edited by JLDickmon; Nov 11, 2007 at 08:00 AM.
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Butt-Head
Joined: Apr 2004
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From: Reed Point, MT
Originally Posted by ernesteugene
How about 39.6828 lb/min instead? That's how JPL crashed a Mars Lander. The software was programmed for metric units, and the engineers fed it data in English units! Anyway, higher HP applications need as much as 50 lb/min of air flow.
Oh, and as far as that link about the "Scavenger", they say dual exhaust is better (has to be brought back into one pipe) over the single setups, but you and I know better.
Last edited by cleatus12r; Nov 11, 2007 at 07:56 AM.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
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From: Rio Rico, AZ.
Originally Posted by cleatus12r
Sorry, just used to looking at Duramax data where g/sec is the norm. I've seen 376 grams/second on one of those "bad boys".....pfffft.
1000mg = 1 gram.
Hotshot
Joined: Nov 2006
Posts: 11,288
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From: North of Greenville
There are low profile 12v electric fans in the 10-12 inch diameter range that will flow anywhere from 800-1300 cfm. The ones I've been looking at run anywhere from $35-$150 and pull anywhere from 5-8 amps.
Postmaster
Joined: Jun 2006
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From: Fulltime RVer
Originally Posted by Kwikkordead
That's a LOT of air! Stock VW TDI's top out at around 900 to 1000 mg on the MAF at WOT if I remember correctly. At idle the spec to look for is between 2.9 and 9 mg
1000mg = 1 gram.
1000mg = 1 gram.
Elder User
Joined: Sep 2007
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From: Kalamazoo, MI
Originally Posted by ernesteugene
A car engine can't possibly run on only 1 g/sec of air=0.1323 lb/min! At an air fuel ratio of AFR=15, this gives a fuel flow of MFF=0.0088 lb/min.
Idle on a 3.8L for example, IIRC, is right about 3.5g/sec, that's at 700rpm & 1% throttle