Re: Promaxx SBM head
[Re: tvt59]
#2439709
01/23/18 08:14 PM
01/23/18 08:14 PM
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Joined: Feb 2005
Posts: 20,147
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,147
PA.
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Has anyone used these heads, and how much power were you able to make with them.
Easy 9’s or 10’s with the right combo and mild porting work at 3000 pounds or less
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Promaxx SBM head
[Re: dogdays]
#2440165
01/24/18 06:13 PM
01/24/18 06:13 PM
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Joined: Feb 2005
Posts: 20,147
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,147
PA.
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Promaxx smallblock heads are available from Summit and/or Jegs. They are not cheap.
The same casting is sold by Todd Marsh as the Sidewinder. His prices are lower. The nice thing is that he builds your heads himself and they are ready to run, out of the box. Plus you will know exactly what components were used and the heads will be matched to your needs.
Marsh Performance is the name he goes by.
R. I hope to have a set of Sidewinders this year to do some testing with them. If they look and check out as nice as the ProMaxx at a cheaper price I may buy several sets. My porting tools are getting restless.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Promaxx SBM head
[Re: pittsburghracer]
#2440349
01/25/18 01:46 AM
01/25/18 01:46 AM
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Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
HotRodDave
I Live Here
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I Live Here
Joined: Jan 2005
Posts: 12,419
Kalispell Mt.
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My porting tools are getting restless. you ever done any eagle hemi heads?
I am not causing global warming, I am just trying to hold off a impending Ice Age!
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Re: Promaxx SBM head
[Re: HotRodDave]
#2440370
01/25/18 02:28 AM
01/25/18 02:28 AM
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Joined: Feb 2005
Posts: 20,147
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,147
PA.
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My porting tools are getting restless. you ever done any eagle hemi heads? No I haven’t and probably never will. I have so much old school stuff layout by around it would be crazy for me to change this late in life. I did a quick count the other day and I have one Keith black block, one mega block, one R3 block, one R block, one 340 block, one 440 block, and ten 360 LA blocks. Crazy. I turned down a whole 360 block for 50.00 a month ago and a 340 with ProMaxx heads for 1800.00 this week.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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Re: Promaxx SBM head
[Re: J_BODY]
#2440512
01/25/18 01:08 PM
01/25/18 01:08 PM
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Joined: Feb 2005
Posts: 20,147
PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,147
PA.
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No I haven’t and probably never will. I have so much old school stuff layout by around it would be crazy for me to change this late in life. I did a quick count the other day and I have one Keith black block, one mega block, one R3 block, one R block, one 340 block, one 440 block, and ten 360 LA blocks. Crazy. I turned down a whole 360 block for 50.00 a month ago and a 340 with ProMaxx heads for 1800.00 this week.
funny.... I sold 30 years of stuff and had our current W8 built. I'm already formulating an exit plan of sorts and you're 10 years ahead of me! Admire the tenacity  Hitting the shop in the winter just isn't as much fun as it used to be but Spring is coming. I would really miss racing so I'm not ready to hang up my helmet yet, but I sure had a good time getting out fishing late last year. I promise you I will get out more this year fishing.
1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27
Livin and lovin life one day at a time
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