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Chopped HSR to fit under a C4 Vette hood

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Old 05-01-2007, 06:55 PM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by SilentBobZ28
Where's a good place to pick up a HSR at?
If you want t ouse 1206 Felpros, buy a new one, if not then get a used one

www.stealthram.com
----------
Originally Posted by onfire
LD85,

Thats great work on that intake and that whole engine bay looks real clean. It seems like its a great balance of the three manifolds.

In terms of chip tuning, did you run into any troubles with those manifolds especially the miniram??


Rabi C.
The Super ram and Stealth were very very close to the same, I could not believe it.

The Miniram was a real pain, could not tune out the richness with 30# injectors, then went to SVO 24# injectors and it was better but not perfect.

M goal is to get a hi-rise hood and then add 2" to the top of the HSR intake thus lenghtening the runenrs to almost extactly half way between a SR and a Minram.

Last edited by LD85; 05-01-2007 at 06:59 PM. Reason: Automerged Doublepost
Old 05-01-2007, 08:45 PM
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Re: Chopped HSR to fit under a C4 Vette hood

LD85,

Did you ever think of going to a solid roller cam? The miniram setup would have enjoyed that. I'm contemplating such a setup.



Rabi C.
Old 05-03-2007, 07:29 PM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by onfire
LD85,

Did you ever think of going to a solid roller cam? The miniram setup would have enjoyed that. I'm contemplating such a setup.



Rabi C.

Yes, but I decided to stick with Hyd-Roller, my buddy has a miniram with a similar Sold Roller grind cam and he traps at 120MPH @ 12.03

I currently trap at 116mph with a slipping clutch, so we'll see
Old 05-03-2007, 08:07 PM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by LD85
Thanks for the kind words,

I love being able to remove the plenum when I want!

With how many corvette owners there are trying to make HSR's work, you'd think holley would just fix the stupid too-tall design.

Nice work. Came out really good.

-- Joe
Yeah. I agree. Not much room under the hood of a C3 either...

Old 08-01-2014, 01:23 AM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by LD85
Thanks for the kind words,

I love being able to remove the plenum when I want!

With how many corvette owners there are trying to make HSR's work, you'd think holley would just fix the stupid too-tall design.

Nice work. Came out really good.

-- Joe
yea you would think that holley would of just modified the base to so the intake would the same height as a factory TPI, would of made so many things so much easier. I wanted to run a strut tower bar but i dont think thats gonna happen if i want a HSR. :-(
Old 08-02-2014, 01:14 AM
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Re: Chopped HSR to fit under a C4 Vette hood

I have 3 c4 vettes. ..people keep giving them away so I keep buying them...keeping the 90 black tag zf6 fx3 car and building it. Already picked up a HSR unused still in box for $2k. Planning a stout 383. Your mod is spectacular and I will absolutely be copying it.
Any other tuning or other info you can provide would be greatly appreciated.
Well done sir.
Old 08-06-2014, 07:48 AM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by Jim85IROC
Trust me, you're not the only one. I rarely go there anymore. Every time I ask a tech question, the answer usually starts with "My mechanic said..."
I think I know who your talking about !
Old 12-18-2016, 10:47 AM
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Re: Chopped HSR to fit under a C4 Vette hood

Bringing this back from the dead in hopes that LD85 is still around. I'm currently looking for a different solution to fitting the HSR under a stock Firebird hood without cutting the bracing out. Since the photos that LD85 posted are no longer available I was hoping that someone either saved these photos or LD85 saw this a could post these photos again.
Old 12-18-2016, 11:37 AM
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Re: Chopped HSR to fit under a C4 Vette hood

Sounds like what jonas bylund did many years ago. Check his site joby.se i think it was. You will find pics of his c4 vette projects abd his modded hsr
Old 12-18-2016, 12:41 PM
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Re: Chopped HSR to fit under a C4 Vette hood

Originally Posted by Twin_Turbo
Sounds like what jonas bylund did many years ago. Check his site joby.se i think it was. You will find pics of his c4 vette projects abd his modded hsr

Thank you the pictures on his site does answer some questions I had and gives me a lot to think about.
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