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Author Topic: NA vs Turbo Cylinder heads  (Read 2372 times)

rcdraco

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NA vs Turbo Cylinder heads
« on: June 13, 2011, 09:50:00 AM »

About 2 weeks ago I ordered a new head since mine is warped .016 inch(limit is .008), and it arrived today, but it said 91-92 NON-TURBO.  Is there any difference in the heads, everything appears the same from glancing at it, aside from the missing cylinder head plug on the timing cover side.  
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Gostlrs

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NA vs Turbo Cylinder heads
« Reply #1 on: June 13, 2011, 10:15:00 AM »

Russ told me before there was nothing different & could be used on either car. Just have to swap the internals bits like the cams.
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rcdraco

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NA vs Turbo Cylinder heads
« Reply #2 on: June 13, 2011, 10:23:00 AM »

Well, the head included cams, and they look almost the same.  I might need to pickup a caliper and measure it to be sure.
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Gostlrs

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NA vs Turbo Cylinder heads
« Reply #3 on: June 13, 2011, 03:49:00 PM »

they are different
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Current Rides
2015 Nissan Frontier
2015 Chrysler 300
1990 240sx (SR20DET Swapped)
1992 240sx Convertible

rcdraco

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NA vs Turbo Cylinder heads
« Reply #4 on: June 13, 2011, 04:49:00 PM »

I swapped mine into the new head to be safe, since it was billed as a non-turbo head, even though I asked for a turbo head.  Now just to polish everything up before I put the car back together, at least some part of my car will be looking good.  Just incase anyone is wondering though, I got that head from clearwater heads for $370 and 3 days rebuild 3 days shipping.  Came powdercoated and everything, looks really sweet.

On the topic though, is it recommended that I use copper spray on the gasket, or just install it on a clean block dry?

Beck/Arnley 035-1932 from the 032-2846 head set.

http://www.rockauto.com/catalog/moreinfo.php?pk=477534
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Rocketman

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NA vs Turbo Cylinder heads
« Reply #5 on: June 13, 2011, 09:26:00 PM »

Clean block dry gasket. no copper spray.  Your head wasnt powdercoated either, the heat from that would warp the head.
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Chicken

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NA vs Turbo Cylinder heads
« Reply #6 on: June 16, 2011, 08:02:00 AM »

Across all models the heads are the same even the springs.  Exhaust Cams are the only difference, but thats not the head per-se.

Dry gasket. I think maybe your head probably didn't get powder coated more from the price than from anyhting else.  I understand that you can powder coat a head if the shop has a bit of ability and experience.  Resurface happens post coating.  It isn't done for alot of reasons the biggest being a heat barrier issue.
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