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Re: Solid flat tappet lifters [Re: BSB67] #2715007
11/12/19 12:14 AM
11/12/19 12:14 AM
Joined: Jan 2003
Posts: 27,300
Balt. Md
3
383man Offline
Too Many Posts
383man  Offline
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Joined: Jan 2003
Posts: 27,300
Balt. Md
Originally Posted by BSB67
Ron, which lobe family did you use again? XX or XTQ?


I would have to ask Dwayne Porter as it is a cam he did for me. Ron

Re: Solid flat tappet lifters [Re: 383man] #2715101
11/12/19 11:28 AM
11/12/19 11:28 AM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
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Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
Originally Posted by 383man
Originally Posted by BSB67
Ron, which lobe family did you use again? XX or XTQ?


I would have to ask Dwayne Porter as it is a cam he did for me. Ron

FWIW, my last sft was a XX spec'd by & sourced from Dwayne for my old Stage VI combination. I had Schubecks at the time, but would probably go w/ standard EDM lifters today.

Still not sure on whether nitriding is a "no brainer" at this point.


An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
Re: Solid flat tappet lifters [Re: BradH] #2715126
11/12/19 12:38 PM
11/12/19 12:38 PM
Joined: Aug 2003
Posts: 33,752
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 33,752
Bend,OR USA
Why risk cam lobe failures on any flat tappet cam when you know the history of failures since zinc was removed from most engine oil work


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Solid flat tappet lifters [Re: Cab_Burge] #2715128
11/12/19 12:43 PM
11/12/19 12:43 PM
Joined: Feb 2005
Posts: 14,921
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 14,921
PA.
Originally Posted by Cab_Burge
Why risk cam lobe failures on any flat tappet cam when you know the history of failures since zinc was removed from most engine oil work




Use good race oil like Penn Grade and add a small bottle of zinc additive for insurance. That and EDM lifters works for me.


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Solid flat tappet lifters [Re: pittsburghracer] #2715155
11/12/19 01:58 PM
11/12/19 01:58 PM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
I know I'm not the first person to mention this, but too much "zinc" is a bad thing. If you take a high-zinc oil and put more in it that may -- or may not -- mix properly w/ the base oil, how are you going to know when you've passed the "Ooops..." point?


An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
Re: Solid flat tappet lifters [Re: BradH] #2715168
11/12/19 03:20 PM
11/12/19 03:20 PM
Joined: Feb 2005
Posts: 14,921
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 14,921
PA.
Originally Posted by BradH
I know I'm not the first person to mention this, but too much "zinc" is a bad thing. If you take a high-zinc oil and put more in it that may -- or may not -- mix properly w/ the base oil, how are you going to know when you've passed the "Ooops..." point?



To little or to much, which would you choose. I know I just went 4 years with a .650 lift solid cam and it runs as good today as the day I put it in. Same spark plugs too. Lol.


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Solid flat tappet lifters [Re: pittsburghracer] #2715245
11/12/19 08:06 PM
11/12/19 08:06 PM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
My choice is to use an oil that doesn't need to be "improved".


An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
Re: Solid flat tappet lifters [Re: BradH] #2715262
11/12/19 08:34 PM
11/12/19 08:34 PM
Joined: Feb 2005
Posts: 14,921
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 14,921
PA.
Originally Posted by BradH
My choice is to use an oil that doesn't need to be "improved".





Ohhhh ok. I see said the blind man. When you get that car out and about let us know how that works out for you. 😂


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Solid flat tappet lifters [Re: pittsburghracer] #2715270
11/12/19 08:50 PM
11/12/19 08:50 PM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
Originally Posted by pittsburghracer
Originally Posted by BradH
My choice is to use an oil that doesn't need to be "improved".

Ohhhh ok. I see said the blind man. When you get that car out and about let us know how that works out for you. 😂

No problem. BTW, I switched to a solid roller, but will still run the good oil.

Forgot to ask how many miles on the street you ran up in those four years... I put about 5000 on my last .600" sft cam.

Last edited by BradH; 11/12/19 08:53 PM.

An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
Re: Solid flat tappet lifters [Re: BradH] #2715283
11/12/19 09:15 PM
11/12/19 09:15 PM
Joined: Feb 2005
Posts: 14,921
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 14,921
PA.
Originally Posted by BradH
Originally Posted by pittsburghracer
Originally Posted by BradH
My choice is to use an oil that doesn't need to be "improved".

Ohhhh ok. I see said the blind man. When you get that car out and about let us know how that works out for you. 😂

No problem. BTW, I switched to a solid roller, but will still run the good oil.

Forgot to ask how many miles on the street you ran up in those four years... I put about 5000 on my last .600" sft cam.





Sorry I race my cars. I haven’t been a “street hoopie” since In the early 1980’s when I grew up. My 6 cylinder Malibu does the speed limit plus a little more and I never will be a car show guy.

Last edited by pittsburghracer; 11/12/19 09:16 PM.

1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Solid flat tappet lifters [Re: pittsburghracer] #2715302
11/12/19 10:20 PM
11/12/19 10:20 PM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
That's 5000 miles on a pump-gas 10-sec street car running up most of its miles driving to & from the track for both bracket races and test & tune events. No show car here, either, since I sold my A12 Road Runner years ago.

Your turn.

(We could do this until our keyboards are worn out, but I'm sure we both have more important things to deal with.)


An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
Re: Solid flat tappet lifters [Re: BradH] #2715315
11/12/19 11:01 PM
11/12/19 11:01 PM
Joined: Feb 2005
Posts: 14,921
PA.
pittsburghracer Offline
"Little"John
pittsburghracer  Offline
"Little"John

Joined: Feb 2005
Posts: 14,921
PA.
Originally Posted by BradH
That's 5000 miles on a pump-gas 10-sec street car running up most of its miles driving to & from the track for both bracket races and test & tune events. No show car here, either, since I sold my A12 Road Runner years ago.

Your turn.

(We could do this until our keyboards are worn out, but I'm sure we both have more important things to deal with.)



Ya you won. Lol. I’m worn out. Goodnight 💤


1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Solid flat tappet lifters [Re: pittsburghracer] #2715336
11/13/19 06:16 AM
11/13/19 06:16 AM
Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
B
BradH Offline
I almost got away with it!
BradH  Offline
I almost got away with it!
B

Joined: Jan 2003
Posts: 15,198
Val-haul-ass... eventually
You still win; my junk hasn't been running in 10 years. But it's getting much closer...


An unskilled person with a "cool idea", a bunch of porting tools, and a set of cylinder heads is a sure recipe for disaster.
I AM that person!
------------------------------------------------------------------------------------
Mr. Incredible: What are you waiting for?
Tricycle kid: I don't know. Something amazing, I guess.
Mr. Incredible: Me, too, kid.
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