is an aeromotive 340 enough for on3 turbo - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 21 Old 06-18-2012, 09:56 PM Thread Starter
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is an aeromotive 340 enough for on3 turbo

i have on3 kit with 76mm ball bearing turbo on my 97 cobra. i have a aeromotive stealth 340 in tank pump with 80# injectors. i have been talking to a few tuners and one told me i need to put a t-rex inline pump. what kind of power can i make without the t-rex? if it will cost me alot of power i will get one? it's a stock bottom end so i'm only looking for 8-9# of boost.

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post #2 of 21 Old 06-19-2012, 05:15 AM
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you will break your block before running out of fuel with that pump.

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post #3 of 21 Old 06-19-2012, 06:49 AM
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How is he gonna break a teskid block?

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post #4 of 21 Old 06-19-2012, 08:42 AM
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I'm sure he means ,he will bust a rod or piston since there stock before he runs out of fuel.
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post #5 of 21 Old 06-19-2012, 08:47 AM
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he said block, so i said whhhhaaaaattttt?????? lol
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post #6 of 21 Old 06-19-2012, 09:20 AM
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He's a Chevy guy who doesn't know any better lol
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post #7 of 21 Old 06-19-2012, 09:57 AM
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What base pressure? These 340's dont really flow all that well real world when they get hot. With 80lb injectors and 40psi base pressure probably support around 550rwhp.

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post #8 of 21 Old 06-19-2012, 08:41 PM
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i read to fast and didnt see it was a 97 i was assuming it was a stock 5.0 block.
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post #9 of 21 Old 06-19-2012, 10:15 PM
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Well, when someone says the "block" will break I interpret that as "shortblock" or "longblock" which includes rotating assembly. That will let go before the pump falls short.

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post #10 of 21 Old 06-19-2012, 10:36 PM
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Originally Posted by JKolbfleisch View Post
Well, when someone says the "block" will break I interpret that as "shortblock" or "longblock" which includes rotating assembly. That will let go before the pump falls short.
ya cuz those forged piston and forged crank ain't worth a #### are they? lol i have seen those stock short blocks run on 14psi all day long. its called tuning

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post #11 of 21 Old 06-19-2012, 10:52 PM
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Pump should do 500-550whp depending on how efficient the motor/turbo combo is

305/333 WHP/WTQ with CMS Stage II Cams
440/552 WHP/WTQ on Nitrous
7.86, @ 89.1mph, 1.61 60 foot, on Motor
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post #12 of 21 Old 06-19-2012, 10:52 PM
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Quote:
Originally Posted by cobra7421 View Post
ya cuz those forged piston and forged crank ain't worth a #### are they? lol i have seen those stock short blocks run on 14psi all day long. its called tuning
B head cobra engines only came with a forged crank. The pistons and rods are not.
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post #13 of 21 Old 06-19-2012, 10:55 PM Thread Starter
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will there be any benifits of having the t-rex or i'm good with just the 340? i would hate to leave hp on the table over a $250 in line pump.
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post #14 of 21 Old 06-20-2012, 03:54 AM
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will there be any benifits of having the t-rex or i'm good with just the 340? i would hate to leave hp on the table over a $250 in line pump.
I heard the T-Rex pump does not do anything, read on some forum a tuner added it in-line to the system with a boosted 4.6 and it helped 0%

305/333 WHP/WTQ with CMS Stage II Cams
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post #15 of 21 Old 06-20-2012, 10:58 AM
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No need for another pump.

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post #16 of 21 Old 06-20-2012, 04:21 PM
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I'd say you'll be fine with that pump, but the injectors are a bit overkill. 60#ers would support what you're looking at no problem.
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post #17 of 21 Old 06-21-2012, 09:35 PM Thread Starter
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i'm just getting it tuned with 340 pump. i also have a snow stage3 kit so that should help with making some more power. as far as the 80# injectors when i bought my kit from chris at pas he said go with 80#. i'm having frank soldridge tune my car and he is great at what he does. i hoping for 550rwhp.
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post #18 of 21 Old 06-22-2012, 11:53 AM
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How is he gonna break a teskid block?

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Where does it say teskid? I read stock bottom end

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post #19 of 21 Old 06-23-2012, 08:28 PM
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Stock 97 is Teksid.
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post #20 of 21 Old 06-25-2012, 02:39 PM
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That 340 should out flow the svt pump and I made 526/550 on a single svt pump(I think I did have a bap on it though). I have not pushed a single 340 pump myself but I cannot see how it wouldnt at least be good to 550+. There is a chevy 2500 at the track making mid 600's on a 76 and a single 340 pump

Also 8-9psi really is the threshold for the stock bottom end. I scattered my 99 and destroyed my block at 9.5psi
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post #21 of 21 Old 06-27-2012, 11:27 AM
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Quote:
Originally Posted by spittin cobra View Post
i'm just getting it tuned with 340 pump. i also have a snow stage3 kit so that should help with making some more power. as far as the 80# injectors when i bought my kit from chris at pas he said go with 80#. i'm having frank soldridge tune my car and he is great at what he does. i hoping for 550rwhp.

Your Pump will be fine.. The injectors are little big. But nothing I would worry about.. I just had my car done by frank soldridge at PSI.. I bought everything from Chris at PAS.. He set me up with the 340 pump and 60 injectors.. I put down 512 through a AOD .. So you will be fine.. Frank does amazing work.. I run a nice 11.2-11.8 WOT A/F with low timing. I am running the ON3 70mm kit.


And yes I know my block is but I only wanted one year out of this setup anyway.. Next year is a aftermarket block and 15-18 PSI

P.S Frank thought I would need a T-rex also.. He never really seen these 340 from PAS.. But i never di add the T-Rex.. The pump alone was fine..
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