347 intake recommendations
- Thread starter Dmarstroker
- Start date
Nope, I'll go on trusting legitimate numbers and calculations over those sentence composition skills of yours. Here is that "leg work" you let me do on my own. This was the first relevant result I could come up with just by google-ing "EFI 347 MAGAZINE":
Edelbrock RPM II EFI Intake - Muscle Mustang & Fast Fords
And I quote:
MM&FF said:
448 crank HP would be roughly 390-400 RWHP. Sound familiar?
DMAR, I know this is starting to look like a derail, but I think I've killed two birds with one stone. Check out that article... Looks like they are doing good things with the Eddie RPM II.
giddyup306
Founding Member
- Oct 22, 2002
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The RPM II is a great intake. I had mine flowed with my heads and it flowed well over 260 CFM on the intake side. At a little over 2 hp/CFM that's over 550hp on a normally aspirated 347. The bottleneck in this case is actually the heads (I had them flowed separately), so the intake should flow more.
Nope, I'll go on trusting legitimate numbers and calculations over those sentence composition skills of yours. Here is that "leg work" you let me do on my own. This was the first relevant result I could come up with just by google-ing "EFI 347 MAGAZINE":
Edelbrock RPM II EFI Intake - Muscle Mustang & Fast Fords
And I quote:
448 crank HP would be roughly 390-400 RWHP. Sound familiar?
DMAR, I know this is starting to look like a derail, but I think I've killed two birds with one stone. Check out that article... Looks like they are doing good things with the Eddie RPM II.
dude your a nice guy im not looking to haggle with u .........all i can say is instead of quoting mag. articles check 331 and 347 N/A stangs here on this forum i still say u will find the most using 30lbers
If you don't want to "haggle" with me, then why do you keep challenging my statement without actually providing real evidence to support your argument? I usually do try to be a "nice guy", but it really tests my patience when someone tries to debate something I say just because they can, not because they have relevant, factual information to share. So far, I've provided an actual injector size calculator and a real-life N/A 450HP 347. You've provided nothing but an argument.
So, the engine builder(s) and tuning expert(s) that built that engine don't count as a credible source?
Even if you did find an example of this, I would be willing to bet none of them are making "400RWHP and higher" as you stated above. But again, I invite you to come up with real evidence to support your argument.
challenging u lol.......i have 30lbers and i have freinds with 331 and 347s N/A using 30lbers making around 400RWHP.........im gonna stop wasting my time and challenging u ........use your little real life calculator YOUR RIGHT! LMAO!!!!
gt40_2003wes
I did sound a wee bit gay there.
Nope, I'll go on trusting legitimate numbers and calculations over those sentence composition skills of yours. Here is that "leg work" you let me do on my own. This was the first relevant result I could come up with just by google-ing "EFI 347 MAGAZINE":
Edelbrock RPM II EFI Intake - Muscle Mustang & Fast Fords
And I quote:
448 crank HP would be roughly 390-400 RWHP. Sound familiar?
DMAR, I know this is starting to look like a derail, but I think I've killed two birds with one stone. Check out that article... Looks like they are doing good things with the Eddie RPM II.
Sounds good I totally forgot about the eddie rpm 2 intake I'll take that intake into consideration for sure now, thanks.
I have had both the RPM II and trick flow R, both awesome intakes, dont be afraid of it being lazy in the lower RPM's with a bigger intake, the cam will be more responsible for where it makes power then the intake. Just a heads up, if you plan on going bigger in the future with the heads, get the R.
I had every intention of using my RPM II but when i matched up the gasket from the new head there was so much material to be removed that it was getting into the injector bungs. So keep that in mind.
Also, sure mabye you could run 30# injectors at the HP level your talking about but you dont want to run an injector over 80% duty cycle if you dont have to, just get 42's, there everywhere, you could get them used for 200 bucks im sure, and then you have nothing to worry about, there wont be any drivability loss between 30# and 42#. If you were talking about putting 60#ers on the car then you might have a tuning issue.
I had every intention of using my RPM II but when i matched up the gasket from the new head there was so much material to be removed that it was getting into the injector bungs. So keep that in mind.
Also, sure mabye you could run 30# injectors at the HP level your talking about but you dont want to run an injector over 80% duty cycle if you dont have to, just get 42's, there everywhere, you could get them used for 200 bucks im sure, and then you have nothing to worry about, there wont be any drivability loss between 30# and 42#. If you were talking about putting 60#ers on the car then you might have a tuning issue.
This post dosent help your argument
So with this logic, a 30lb injector is running about 92% duty cycle at 440 hp, the reccomended duty cycle is 80%, so a 36lb injector would be between 75 to 80 percent at 440 hp, which would be perfect
gt40_2003wes
I did sound a wee bit gay there.
i was on his side in the argument i think my question mark made it sound different lol. i posted that so he would have another article besides a magazine to go with lol.
kind of suprised that this car and article hasn't been brought up. shows different intakes and the gains with the help of a throttle body upgrade.
http://www.musclemustangfastfords.c...mustang_cobra_project_stolen_goods/index.html
http://www.musclemustangfastfords.c...mustang_cobra_project_stolen_goods/index.html
You're right, I forgot about that car. I actually have the mag with the engine specs sitting right next to me now. That car only makes 372 RWHP, and it uses 38 lb/hr injectors.
thanks for the link.
Has anyone had experience with the efi victor jr spyder intake ?
I searched all over google and I searched some forums as well but they all said that CHP does not make them any longer.
- Jul 21, 2005
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I was with ya all along buddy!
Ha, yea I wasn't directing that at you. I guess I should have said, "nice to know we aren't the only crazy ones here".
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