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Author Topic:   Solid roller "Old Wives Tale"?
Mpcoluv
Gearhead

Posts: 1144
From: Charlotte NC usa
Registered: Apr 2001

posted 04-23-2003 08:20 AM     Click Here to See the Profile for Mpcoluv   Click Here to Email Mpcoluv     Edit/Delete Message   Reply w/Quote
I had a self proclaimed "expert" tell me that solid roller cams on the street would eventually hammer the lifter needle bearings and seize the roller.
He claims that undel coast/cruise conditions the valve lash can move away from the valve tip and end up between the roller and the cam lobe. This causes the hammering of the lifter.
Is this plain BS?
Are any particular solid roller lifters better for the street?

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bluestreek
Gearhead

Posts: 1460
From: Athens,GA
Registered: Jul 2001

posted 04-23-2003 09:15 AM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
There may be some truth to it. Most modern street roller grinds use tighter lash settings to ease the stress on the valve train. If I had it to do over again, I would go with a Hydraulic roller. Solid rollers are kinda noisy on a muffled street car. This is my first experience with a street roller and it has approx. 5000 miles with no lash changes or problems yet. Time will tell.

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1966 Mustang Coupe: Custom glass hood and BIG scoop sits atop a 289 stroked to 331 c.i., Steel crank and girdle, 5.4 H-beams, Forged slugs, TFS alum. heads, ported Stealth 8020 intake, Xtreme 274 Solid Roller, Holley 750 HP, long tubes, 4speed, 9" 3.50 posi.
2nd pass: 12.11 @ 114 mph (7.80 @ 92 mph)
DanH

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'69Stang
Gearhead

Posts: 205
From: Detroit, MI USA
Registered: Jan 2002

posted 04-23-2003 05:52 PM     Click Here to See the Profile for '69Stang   Click Here to Email '69Stang     Edit/Delete Message   Reply w/Quote
My cam grinder has told me that on my "street" solid roller set-up that I should think about replacing my solid roller lifters before 15,000 miles of hard street use. He says it's "real ugly" when they let go, essentially kiss your motor good bye.....

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'69 Mustang Fastback, 351C, Holley 950 HP, New Parker Funnelweb intake, ported 4-v quench heads, 10.75:1, UD pulley, windage tray, Top Loader, 4.30 gears 9" rear
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12.51 1/4 mile @ 115.89
60 foot time 2.008 (ouch)

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Moneymaker
Administrator

Posts: 21725
From: Lyons, IL, USA
Registered: May 99

posted 04-23-2003 11:44 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
There is an old guy around here with a hopped up street rod from the 60's.
It has an old 327 with dual quads and a 4 speed.
He has som OTS Isky Super Duper Leguerra 555 roller cam in it. The engine has over 50k street and drag stip miles on it. He sets the valves once a year and drives this sh*t out of it.
High quality lifters with adequate lubrication will give plenty of trouble free miles.
Econo roller lifters like the Herberts, I wouldn't drive around the block.

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Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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