twin throttle bodies would be nice. you could set up the second one to open
after say 4000 rpm or so.
-=Mike
WMBARRET@aol.com wrote:
> Steven, You have to know at how many inches the CFM reading was taken. Hughes
> flow benched their 4.7L TB @ 10 inches. I think Bruce flowed his at 25
> inches, that would get you in the 600+ cfm range, stock. Does'nt matter much,
> as long as you use the same test variables before and after to see your
> Increase/decrease. Hughes's initial test showed 398cfm@ 10", and after showed
> 450cfm, a 13% increase @ 10". They are shooting for 15/16% increase for their
> "Stage 1". After I test out the Stage 1, then it will be determined if the
> 4.7L can even handle more CFM than that. While more CFM is good, you are
> sacrificing Velocity, which is not good. A happy medium is desired. When you
> allow the CFM to go way high, usually you'll lose some Low end response, but
> top end will be awesome. If you can increase CFM, but keep the Velocity
> decent, thats when you'll really see a big all around performance increase.
> I'll know how it works out on Saturday!
>
> Matt Y2K-HEMI
> '00 RC 4.7L 5 spd
> 14.23 @ 94.49
>
> <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> In a message dated Mon, 13 Nov 2000 10:27:51 PM Eastern Standard Time,
> "Steven St.Laurent" <Saint1958@home.com> writes:
>
> << Matt, according to Bruce there is more CFM on the stock TB then what you
> reported. I wondering if there machine is off.
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> [mailto:owner-dakota-truck@buffnet.net]On Behalf Of WMBARRET@aol.com
> Sent: Friday, November 10, 2000 6:23 AM
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Hughes Engine 4.7L TB Stage 1, test mule
>
> I talked to Dave again this morning, he's working on the TB today, and says
> he may have found 2 to 3% more flow, so it may be a 15% increase by the time
> he does my TB!
> He'll be flow benching the TB again today to see what the REAL results are.
>
> Matt Y2K-HEMI
>
> In a message dated Fri, 10 Nov 2000 8:54:04 AM Eastern Standard Time,
> WMBARRET@aol.com writes:
>
> << I found out from Dave I'm going to be the test mule for the Hughes Engine
> Stage I TB, 4.7L, in the next week or so. Dave says the stock unit flowed
> 398
> cfm@ 10 inches and their Stage I unit flows 450 cfm@ 10 inches. This is a
> flow increase of 12%. I have 2 options, I can send them my TB off the truck,
> or I can buy a new TB ($220) ouch! If I send him my TB it will be very
> inexspensive, since I sent him an intake manifold earlier for free. His
> regular price for a customer supplied TB is $155.00
>
> Matt Y2K-HEMI
> '00 RC 4.7L 5 spd
> 14.23 @ 94.49
>
> >>
>
> >>
-- -=Mike Kuriger 1991 Isuzu Impulse RS 1.8 2000 Dodge Durango SLT 4x4 4.7 http://www.isuzu-mods.com http://www.twistedbits.net/WWWProfile/dakota/NgFQdD9vkNHNg
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