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Author Topic:   Edelbrock Intake Question?
Riley
Journeyman

Posts: 73
From: Jefferson City, MO, USA
Registered: May 2002

posted 05-12-2003 12:31 PM     Click Here to See the Profile for Riley   Click Here to Email Riley     Edit/Delete Message   Reply w/Quote
We have two 351C 4V engines. Both engines are balanced with flat top forged pistons and feed into full tube headers. One engine has stock open chamber heads and a fairly strong street cam with pump up lifters. We may put a 100 shot on this engine in the future. The other engine has a strip cam and ported closed chamber heads (special valves, springs, studs and roller rockers). Both engines will be driven on the street. The question is: what do you think about an Edelbrock torker intake for either or both of these engines? We already have one intake and can get another used one at a discount. This is a single plane intake that is suppose to allow some torque.

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 05-12-2003 01:06 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
I like them on mild engines like yours.

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Daniel Jones
Gearhead

Posts: 873
From: St. Louis, MO
Registered: Aug 99

posted 05-12-2003 06:33 PM     Click Here to See the Profile for Daniel Jones   Click Here to Email Daniel Jones     Edit/Delete Message   Reply w/Quote
> We have two 351C 4V engines. Both engines are balanced with flat top forged
> pistons and feed into full tube headers. One engine has stock open chamber
> heads and a fairly strong street cam with pump up lifters. We may put a 100
> shot on this engine in the future.

I'd lean towards a Blue Thunder high rise dual plane.

> The other engine has a strip cam and ported closed chamber heads (special
> valves, springs, studs and roller rockers). Both engines will be driven on
> the street. The question is: what do you think about an Edelbrock torker
> intake for either or both of these engines?

I'd go with a Holley Strip Dominator on this one.

> We already have one intake and can get another used one at a discount.
> This is a single plane intake that is suppose to allow some torque.

Despite the name, the Torker is a big port single plane, as are the
Weiand Xcelerator 4V and Holley Strip Dominator. My experience is the
Torker is weak down low and the Weiand 4V is worse (the 2V version of
the Weiand Xcelerator is often a better intake on 4V heads). The
Torker pulled well at high RPM but the Holley Street Dominator was
better across the board. Around town, the Torker would stumble and
just wasn't as smooth. One of the guys in the Pantera club got pretty
serious about testing intakes and documented similar results. He did a
bunch of road and drag strip intake testing with his Pantera. The engine
consisted of an Erson hydraulic flat tappet cam (232 deg duration @
0.050", 108 LSA, 0.545" lift), Rhoads lifters, 4V quench heads, flat top
pistons, 735 Holley, coatings, C&A rings, MSD ignition, wrapped headers,
and MPG Stinger exaust port stuffers. Intakes tested included an Edelbrock
Torker, Weiand Xcelerator 4V, Offy Port-o-Sonic 4V, Holley Strip Dominator,
along with a couple dual planes. Tim spent a lot of time optimizing the
carb for each intake. The Holley Strip Dominator was 4 tenths quicker in
the 1/4 mile than the Torker and had, by far, the best driveability (smooth
with no flat spots) of the single planes. It rivaled the dual planes down
low, as far as driveability was concerned, and by 3000 RPM was pulling away.
He could never get the Torker to smooth out at lower RPM, despite a lot of
tuning time. Unfortunately, he didn't have access to a Blue Thunder high
rise dual plane for those tests. Note that the single planes tend to be
more sensitive to carb tuning due to the weaker metering signal.

A word about the exhaust stuffers that Tim ran. He tried several
different ones and the only ones that he found of benefit were the
Stingers but be aware that Pantera headers come straight out of the
exhuast port and do not curve downward like the typical Mustang headers.
With a header that curves down, the port stuffers would be a constriction
that keeps the flow from turning.

Several other Pantera club members have tested 4V intakes, as well.
One test was a road course test between a Torker, a Weiand Xcelerator 4V,
and an Edelbrock Performer 4V. In a Pantera (3100 lbs, 4.22:1 final drive,
5 speed) with open chamber 4V heads, domed TRW pistons, 230-something cam,
the Performer was faster around the course because the Torker was so dead
below 4000 RPM. The Weiand 4V was worse dead. I offered up my spare
Strip Dominator but it didn't make it in time to be included in the test.

Mike Cook tested the Holley Strip Dominator, Blue Thunder, and Torker
on a friend's 377 cube Cleveland stroker (quench heads, Pantera GTS
headers, Isky hydraulic flat tappet cam, etc.) and the Holley Strip
Dominator made the best HP, followed by the Blue Thunder, and then the
Torker.

Dan Jones

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kid vishus
Gearhead

Posts: 6405
From: middle of NC
Registered: Oct 2000

posted 05-12-2003 06:39 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
Dan put it best, but, for a reasonably priced intake, they do work failry well. A strip dominator works great in the upper rpm range, but they are pricey. A torker might not make as much power up high as the strip dominator, but it costs about 1/3 as much. Depending on your gearing and convertor choice, it will work fine.

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rockafellz
Gearhead

Posts: 1443
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 05-12-2003 08:07 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Hey DanJ, keep your informative posts coming!!

Erik

------------------
1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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Riley
Journeyman

Posts: 73
From: Jefferson City, MO, USA
Registered: May 2002

posted 05-13-2003 08:28 AM     Click Here to See the Profile for Riley   Click Here to Email Riley     Edit/Delete Message   Reply w/Quote
Thanks for the great advice. Both cars are light weight and have manual transmissions. The mild engine is in a 65 Falcon with a toploader and 9 inch 3.55 trac loc. The stronger engine will be in a 63 Falcon with a Doug Nash 5 speed (lower first gear) and a 9 inch 3.25 detroit locker.

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capri man
Gearhead

Posts: 7249
From: doerun, ga.
Registered: Nov 2000

posted 05-13-2003 09:17 AM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
i tries a torquer on my 306 drag car. it was a lot less consistant at 60 ft than the performer rpm. why? thanks

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mike r
racing is real
everything else is just a game.
81 capri-7.51 @89mph 1/8
1.54 60 ft.
http://prestage.com/site/site_display.asp?SiteID=141

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