JG Engine Dynamics **HEADS** Yay or nay? Heads only!
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Joined: May 2005
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From: Simi Valley, CA, USA
JG Engine Dynamics **HEADS** Yay or nay? Heads only!
Yes, I know there are a million posts already that bad mouth JG.
But I have the opportunity to get a JG Pro series head (used) for dirt cheap. Should I jump on it?
Searching the archives seems to sway me in favor of their pro series heads. Actually, I didn't read any problems with them.
So please, who has experience with their heads?
**PLEASE: Don't mention their motor building skills (or lack thereof) or customer service**
But I have the opportunity to get a JG Pro series head (used) for dirt cheap. Should I jump on it?
Searching the archives seems to sway me in favor of their pro series heads. Actually, I didn't read any problems with them.
So please, who has experience with their heads?
**PLEASE: Don't mention their motor building skills (or lack thereof) or customer service**
Joined: Jun 2005
Posts: 41
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From: Los Angeles, Ca, USA
Re: JG Engine Dynamics **HEADS** Yay or nay? Heads only! (EnzoSpeed)
nay 
just got a head from them and it was not surfaced rite and i blew a headgasket. We also just got a block from them and the sleeve dropped.
just got a head from them and it was not surfaced rite and i blew a headgasket. We also just got a block from them and the sleeve dropped.
Honda-Tech Member
Joined: Sep 2002
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From: Bay Area, CA, US
Re: (DragSource)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by DragSource »</TD></TR><TR><TD CLASS="quote">Their older work was much better.
If you can find an OLD JG Pro Series head - snag it.</TD></TR></TABLE>
I'm a little weary about there recent stuff, but the older stuff should be okay. I ran a redline series head back a few years ago and loved it. My buddy is now running it and has had no problems.
I would snag it.
If you can find an OLD JG Pro Series head - snag it.</TD></TR></TABLE>
I'm a little weary about there recent stuff, but the older stuff should be okay. I ran a redline series head back a few years ago and loved it. My buddy is now running it and has had no problems.
I would snag it.
Thread Starter
Joined: May 2005
Posts: 1,789
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From: Simi Valley, CA, USA
Re: (TurboChrgd_Civic)
The head is probably two years old because the seller has had it in storage.
And obviously I'm not worried about the surface because it was pulled off a working motor.
And obviously I'm not worried about the surface because it was pulled off a working motor.
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Joined: Jul 2004
Posts: 591
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From: Des Moines, IA, USA
Snag that **** - It's good stuff
I have one of their old Pro Series heads that I'm getting ready to throw on my project in a couple weeks. . . it made very good power on the last car it was on. (b18a)
Their old vtec heads made great power as well. They have some dyno charts from their old school builds on jgenginedynamics.com
The site sucks, but if you can navigate it - there's quite a few really nice dyno sheets.
Modified by DragSource at 9:45 PM 6/17/2005
I have one of their old Pro Series heads that I'm getting ready to throw on my project in a couple weeks. . . it made very good power on the last car it was on. (b18a)
Their old vtec heads made great power as well. They have some dyno charts from their old school builds on jgenginedynamics.com
The site sucks, but if you can navigate it - there's quite a few really nice dyno sheets.
Modified by DragSource at 9:45 PM 6/17/2005
Thread Starter
Joined: May 2005
Posts: 1,789
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From: Simi Valley, CA, USA
Re: (Boostfed.com)
Well I bought it and it came in the mail today.
JG pro series head + JG custom intake manifold + Powdercoated valve cover for $500. The seller said everything cost him $2500.
http://cgi.ebay.com/ebaymotors...%3AIT
JG pro series head + JG custom intake manifold + Powdercoated valve cover for $500. The seller said everything cost him $2500.
http://cgi.ebay.com/ebaymotors...%3AIT
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