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  Performer RPM or Roush 200 heads????

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Author Topic:   Performer RPM or Roush 200 heads????
MAV
Gearhead

Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 03-18-2003 05:49 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
If given a choice would you guys get the RPM
Aluminum heads or get the Roush 200 cast Iron ? The RPM`s are about $80.00 more and are of coarse aluminum...But it seems that everyone thinks the roush heads make more power,but they are cast Iron.These heads will be for my 306 and eventually be on a 393w
both are street and strip ,pump gas engines.

My current 306 set up is outlined on my web site...click on "1972 Maverick"

------------------
http://maverickgrabber.iwarp.com

[This message has been edited by MAV (edited 03-18-2003).]

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stinger
Gearhead

Posts: 168
From: mn
Registered: Feb 2003

posted 03-18-2003 05:59 PM     Click Here to See the Profile for stinger   Click Here to Email stinger     Edit/Delete Message   Reply w/Quote
i thought rousch were a little bit cheaper then that?

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Mpcoluv
Gearhead

Posts: 945
From: Charlotte NC usa
Registered: Apr 2001

posted 03-18-2003 06:43 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by stinger:
i thought rousch were a little bit cheaper then that?

Me too! Like 200 to 300 cheaper.....

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stroker man
Gearhead

Posts: 113
From: Denville NJ USA
Registered: Mar 2002

posted 03-18-2003 06:49 PM     Click Here to See the Profile for stroker man   Click Here to Email stroker man     Edit/Delete Message   Reply w/Quote
i have the roush 200 heads going on my 408w, fully ported and cast iron, their is a post on here somewhere that i asked about cast iron vs alum heads, should check it out before you buy the heads.

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Dubz
Gearhead

Posts: 443
From: Manitoba Canada
Registered: Oct 2002

posted 03-18-2003 07:28 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
first Q : where do you live?

If it is cold, the alums will leak. The aluminum expands and contracts at different temps than iron (your block) and by different amounts.

In most cases iron heads make more power, where aluminum is lighter and can stand i higher compression ratio to make up for the difference

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MAV
Gearhead

Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 03-18-2003 08:49 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
The prices are :
Roush 200 #955-053040-2 $978.98pr.

Performer RPM #350-60259 $1059.98pr.

This is from Jegs and both part #`s are for the heads with the correct springs for my hydrolic roller cam alresdy installed.

[This message has been edited by MAV (edited 03-18-2003).]

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 03-18-2003 09:36 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
RPM!

period. . .
Get the weight off the nose and great quality too. Nothing against the iron heads, but they are still just iron heads.
BTW, when we have frost on our windows we run the hose on them to clear it off.

SteveW

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MAV
Gearhead

Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 03-18-2003 10:23 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
What frost are you talking about Steve? ?

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 03-18-2003 10:32 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Our plumbing is run on the outside of our houses here, at least to the outside hose bibs. We did get down to 22 degrees a few years back and I had to replace the outside pipes. But usually we get frost on our windshield about 10 times a year and it's only about 30 for a low. So we spray them off with the hose and away we go.

SteveW

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MAV
Gearhead

Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 03-18-2003 10:38 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
UUUUmm...Ok... I dont understand why you are talking about frost on windshields, But thanks for your input on the heads question ..............?

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 03-18-2003 10:42 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by MAV:
UUUUmm...Ok... I dont understand why you are talking about frost on windshields, But thanks for your input on the heads question ..............?

It's cause some folks think that aluminum heads aren't good in cold climates.

SteveW

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MAV
Gearhead

Posts: 144
From: Macon,Georgia, U.S.A.
Registered: Mar 2002

posted 03-18-2003 10:59 PM     Click Here to See the Profile for MAV   Click Here to Email MAV     Edit/Delete Message   Reply w/Quote
OK Went right over my head, I didnt know what in the world you were talkin `bout! lol

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steve'66
Gearhead

Posts: 6522
From: Sonoma,CA,USA
Registered: Mar 2000

posted 03-18-2003 11:13 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
MAV,

I'm not sure about the thinking that Alum heads aren't good in cold climates. What I do know is that they ROCK in our climates!

Get the RPM's or Vic Jrs and don't let your engine overheat.

SteveW

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Mpcoluv
Gearhead

Posts: 945
From: Charlotte NC usa
Registered: Apr 2001

posted 03-19-2003 07:17 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by MAV:
The prices are :
Roush 200 #955-053040-2 $978.98pr.

Performer RPM #350-60259 $1059.98pr.

This is from Jegs and both part #`s are for the heads with the correct springs for my hydrolic roller cam alresdy installed.

[This message has been edited by MAV (edited 03-18-2003).]


Boy the Roush heads are getting less attractive....

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Tea'sGrabber
Gearhead

Posts: 142
From: Seattle, Wash.
Registered: Feb 2003

posted 03-19-2003 10:08 AM     Click Here to See the Profile for Tea'sGrabber   Click Here to Email Tea'sGrabber     Edit/Delete Message   Reply w/Quote
Mav, Think about header clearance????Spark plugs access with the Roush's can be a little problem? There's a set of Edelbrock's fully ported for $500.00.

------------------
Todd 71 Mav Grabber All orig 306 cu.in. Cast Iron heads. Carillo Rods.Best et. 10.71 @ 124 thru the mufflers.

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RPM289
Gearhead

Posts: 112
From: Phenix City, AL
Registered: Feb 2002

posted 03-19-2003 11:57 AM     Click Here to See the Profile for RPM289   Click Here to Email RPM289     Edit/Delete Message   Reply w/Quote
You can buy a set of Roush 200's from SECO for $799.00 pair + tax. That is a lot cheaper than Aluminum heads.

------------------
Mike

66' Mustang,289,4 speed overdrive.
95' Lightning #2218
65' Mustang,Tubbed, Rear cage ladder bars / coil over's, 5.13:1 N-case 9in.31 spline, 302, soon to be a 4 speed.

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Mpcoluv
Gearhead

Posts: 945
From: Charlotte NC usa
Registered: Apr 2001

posted 03-19-2003 04:49 PM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by RPM289:
You can buy a set of Roush 200's from SECO for $799.00 pair + tax. That is a lot cheaper than Aluminum heads.


Beware that the cheapest Roush heads have really weak valvesprings.

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thumpin cat
Gearhead

Posts: 260
From:
Registered: Mar 2002

posted 03-20-2003 01:54 AM     Click Here to See the Profile for thumpin cat     Edit/Delete Message   Reply w/Quote
do the roush 200 heads from summit have weak valve springs?

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Mpcoluv
Gearhead

Posts: 945
From: Charlotte NC usa
Registered: Apr 2001

posted 03-20-2003 08:25 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
From Summit's website

Part # WRL-053040-1 Assembled Roush 200 heads have 1.25" diameter (seems really small) valvesprings
Proce $419 each

Part # WRL-0503040-2 Assembled Roush 200 heads have 1.437" valvesprings.
Price $479.50 each

FWIW my local speed shop refuses to sell the small spring heads after a guy fragged his engine with a dropped valve at around 6K rpm.

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