HSR Manifold/Plenum
08-31-2015, 03:48 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
HSR Manifold/Plenum
Just took orders to Japan and trying to clean up the garage. Looking to get rid of my old HSR Manifold and Plenum. This one is the original casting with a brand new plenum (kept my old plenum since it was polished and painted). I upgraded heads and needed the larger ports of the newer version manifold. Nothing wrong with this one. Would like to get $200 plus shipping. pics coming soon.
Last edited by Magman; 09-01-2015 at 07:05 PM. Reason: Added Photos
09-01-2015, 12:14 AM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
The newer one has larger ports and more "meat", so you can port it to a larger runner; i.e. I could not port this manifold to the runners of the AFR 195 Eliminator heads I bought, not enough material to seal correctly. This one takes the smaller FELPRO gasket (IIRC).
09-02-2015, 08:37 PM
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09-02-2015, 10:29 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
Of course, it's designed for it! When you start going for bigger ports to increase flow it becomes a concern. This manifold would have worked on the AFR 195 Eliminator heads I bought, but I wanted to port match the manifold to the head for improved flow and this early casting did not have the "extra" meat to allow for porting and still seal correctly. If you're not going extreme, this manifold will support up to 6500rpm on your motor, with the right head/cam combo.
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09-02-2015, 10:58 PM
#8
Re: HSR Manifold/Plenum
My engine has stock internals with external bolt ons. Looking to get better performance than the stock TPI. I'm planning on doing a cam change and using the vette 113 heads. What else would I need for this intake? Rails intake etc?
09-03-2015, 06:37 AM
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Car: 92 Z,92 RS,95 SS,00 WS6, 04 XUV
Engine: 383z,350RS, LT1, LS1 ,vortec 4.2
Transmission: 700R4, 700R4,4L60E,4L60E, Auto,
Re: HSR Manifold/Plenum
How much would it be to ship it to Wi
09-04-2015, 10:08 AM
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Car: 92 Z,92 RS,95 SS,00 WS6, 04 XUV
Engine: 383z,350RS, LT1, LS1 ,vortec 4.2
Transmission: 700R4, 700R4,4L60E,4L60E, Auto,
Re: HSR Manifold/Plenum
how much shipped to Wi for intake and TB
09-05-2015, 12:20 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
Stealthram92z - I'll do $250 shipped to WI.
91chevyz28 - Same, $250 shipped to lower 48.
LMK...
91chevyz28 - Same, $250 shipped to lower 48.
LMK...
09-06-2015, 11:53 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
Pics of the Holley 52mm Throttle Body. Just so I don't misrepresent, the linkage on the Holley 58mm Throttle Body I purchased for my upgrade would not work on my 1990 700R4 setup, so I swapped linkages. I believe the linkage on this one is for a standard transmission. I swapped the rod and TB Plates (butterflies) only.
09-07-2015, 07:43 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
I still have both items. I'm waiting to hear back from stealthram92z regarding the manifold/plenum.
I'm waiting to hear back from 91chevyz28 regarding the Throttle Body.
If no response, I'll go down the list to move these items. Let me know...
I'm waiting to hear back from 91chevyz28 regarding the Throttle Body.
If no response, I'll go down the list to move these items. Let me know...
09-08-2015, 06:55 AM
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Car: 92 Z,92 RS,95 SS,00 WS6, 04 XUV
Engine: 383z,350RS, LT1, LS1 ,vortec 4.2
Transmission: 700R4, 700R4,4L60E,4L60E, Auto,
Re: HSR Manifold/Plenum
How much shipped for the intake to 54627
09-08-2015, 07:13 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
Holley 52mm Throttle Body is available for $250 shipped.
stealthram92z - Like I said several posts above, $250 shipped.
stealthram92z - Like I said several posts above, $250 shipped.
09-10-2015, 01:55 PM
#28
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
HSR Manifold/plenum sold. I still have the Holley 52mm TB available for $250 shipped to lower 48.
09-11-2015, 03:04 PM
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Car: 92 Z,92 RS,95 SS,00 WS6, 04 XUV
Engine: 383z,350RS, LT1, LS1 ,vortec 4.2
Transmission: 700R4, 700R4,4L60E,4L60E, Auto,
Re: HSR Manifold/Plenum
Thanks Magman, let me know when it ships.
09-12-2015, 10:41 PM
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Car: 1990 IROC-Z
Engine: 383 HSR
Transmission: 700R4
Axle/Gears: 3.70
Re: HSR Manifold/Plenum
HSR manifold and plenum were shipped to you on Friday via UPS Ground. My wife left the tracking number at work, but I'll get it you on Monday. Expect approx 7-days. Hope you enjoy and good luck with your build! Thanks.
~Magman
~Magman
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