3rd Gen / L98 Engine Tech 1982 - 1992 Engine Related

Best cam for HSR

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Old Apr 29, 2004 | 07:58 PM
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Best cam for HSR

I have no clue abotu cams...i guess i haven't really read into them, so i'm not real familiar with which cam is good for which application....this winter i'm gonna pull my engine out, and put a HSR on it, i got a vette engine, so it has the aluminum vette heads, which would be a good cam for my application? How would like a LT1 cam or something suite me?
Old Apr 29, 2004 | 09:00 PM
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What converter are you running? Gears?

On stock heads the GM LT4 Hotcam would work well.
Old Apr 29, 2004 | 11:17 PM
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I am going to try one that with my combination might pull out 550 HP at the crank or so they say. Stall is set at 3600-3800 and I will be changing to the HSR later on at the same time with 1.6RR intake and 1.5RR exhaust. Will keep you updated.
Old Apr 30, 2004 | 01:35 AM
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What do you want? A good daily driver cam or something that will frighten small children and the elderly?
Old Apr 30, 2004 | 10:22 AM
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I am trying for something that would be close to firghtening children. Close but not there. Maybe get something like 18MPG cruising and maybe 12-13 in the city instead of 21 on the hwy and 16 in the city.
Old Apr 30, 2004 | 11:55 AM
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With your stock heads I would go with a Hotcam. Descent idle, no large convertor needed, and it will pick up some power. I would not run a LT1 cam in that combo though. The power in the HSR is going to be up high, and the LT1 cam is going to run out of steam when the intake starts to shine.
If you want much more power you will need to get some head porting done or buy new heads. The aluminum vette heads bring good money, so if you wanted to sell them and buy some better flowing heads you have that option. You could make more power with a better flowing iron head, if you are concerned with cost.

Botch
Old Apr 30, 2004 | 12:30 PM
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I see most people running the 224/230 cam with the HSR. I'm using a 230/236 cam with my HSR, I haven't seen anyone else running this cam with the HSR....sounds real good though and yes, it frightens children.
Old Apr 30, 2004 | 02:12 PM
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Iroczz3- I'm running that cam and planning on going HSR soon. Nice times! Get's me in the modding mood!
Old Apr 30, 2004 | 02:38 PM
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Originally posted by IROCZZ3
I see most people running the 224/230 cam with the HSR. I'm using a 230/236 cam with my HSR, I haven't seen anyone else running this cam with the HSR....sounds real good though and yes, it frightens children.
Hey nice Z you got there. How did you make that air induction tube, or did you buy that from some vendor? Looks great!

Old Apr 30, 2004 | 03:26 PM
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well i don't want to have too much cam...i want it to be a good daily driver car. I'm going to change the intake for sure this winter, and i am going to pull the engine out this winter also to paint the block, so i figured i would just change the cam also....I'm going to keep the corvette heads, because i don't want to spend to much money on the motor, cause i need a new paint job, along with other body upgrades, and interior work...So a Lt4 cam would go good with vette heads and the HSR?
Old Apr 30, 2004 | 03:30 PM
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What converter are you running? Gears?
well i don't have an aftermarket converter with a hi stall, but for the gears, they will be switched over to 3:73's this winter when i rebuild the rearend....Should i get a stall? Are they well worth the money? I heard they can get anoying on a daily driver?
Old Apr 30, 2004 | 03:42 PM
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i have a shiftkit in my tranny arlready, but otherwise its stock....how big of a stall could I go without wreckin the tranny?
Old Apr 30, 2004 | 05:06 PM
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Dirt Reynolds:
I got the tubing and rubber couplings from Air Flow Systems. I used one 90* elbow and one 45* elbow. It's 4" aluminized steel exhaust tubing for diesel big rig engines. I ovalized the end going to the throttle body in a vise. I plan to weld the joint at the middle where the rubber coupling is for a cleaner look. I then spray painted it black.

Here's their website:
http://shop.airflowonline.com/Mercha...y_Code=contact
Old May 1, 2004 | 02:09 AM
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Hey thanks for the info. Nice setup!

Old May 1, 2004 | 08:27 AM
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With your engine (including new mods), gears, and intended use, a 2400RPM lockup converter should do just fine!

And remember, if you intend to add a higher stall converter, a auxiliary heavy duty trans cooler is MANDATORY! Even without the high stall converter it would be a good idea.



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