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Old Oct 25, 2023 | 07:47 PM
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Default Cam Bearings

I’m looking for some information on cam bearings for a RHS block
does the the Dura bond GMP 9T work in a RHS block
I’m getting ready to rebuild the motor in my car this winter ,I figured y I was at it
I go ahead and change the cam bearings.going to a center counterweight crank (Howard billet reaper crank)to up my game .
thanks in advance for your help
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Old Oct 25, 2023 | 08:07 PM
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Originally Posted by Last 1
I’m looking for some information on cam bearings for a RHS block
does the the Dura bond GMP 9T work in a RHS block
I’m getting ready to rebuild the motor in my car this winter ,I figured y I was at it
I go ahead and change the cam bearings.going to a center counterweight crank (Howard billet reaper crank)to up my game .
thanks in advance for your help
Im 99% certain that the RHS blocks use the same cam bearings as an LSX block. GMP-9T should work in that RHS block.
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Old Oct 26, 2023 | 08:53 AM
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thanks Che70velle /order bearings King pmaxkote mains and rods bearings (on sale at Summit) this morning (and yel I know that HP King bearings are more for a streetcar)
and Dura Bond cam bearings,already have the new cam bearings snap rings
Che70velle how does that cam that your running drive?
I’ve got one about the same size some days its a bear to drive ​​​​​​.
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Old Oct 26, 2023 | 08:34 PM
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Originally Posted by Last 1
thanks Che70velle /order bearings King pmaxkote mains and rods bearings (on sale at Summit) this morning (and yel I know that HP King bearings are more for a streetcar)
and Dura Bond cam bearings,already have the new cam bearings snap rings
Che70velle how does that cam that your running drive?
I’ve got one about the same size some days its a bear to drive ​​​​​​.
Overall the car drives easy. The ONLY complaint I have is at tip-in. If I’m at a red light, and traffic takes off quickly, I’ll have to rev it a little to get the car to move for that instant. If traffic moves off slowly, I can manipulate the clutch just right to get the car rolling and then it’s clean. I’ve found that clutch work in my left foot as become an art at that moment, or even when trying to creep through the neighborhood or a parking lot. Idle surge is there and I’ve tuned all of it out that’s possible. Again, clutch work is king there. I run a BC2 clutch…it’s carbon and resists heat…so dragging the clutch a those low speeds doesn’t hurt it at all. I’ve driven the car to church many times if that says anything. It drives real nice overall. Me and my son have probably 5 hours of street tuning on it. Tuning is everything.
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Old Oct 27, 2023 | 08:32 PM
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Originally Posted by Che70velle
Overall the car drives easy. The ONLY complaint I have is at tip-in. If I’m at a red light, and traffic takes off quickly, I’ll have to rev it a little to get the car to move for that instant..
Are you on a factory PCM? In my car, I made the throttle map (accelerator pedal position vs throttle opening) a lot **softer** at low openings. You might want the opposite ... a touch more opening at low angles.

I took my BC carbon clutch out. I didn't like the lack of springs in the clutch discs, it lead to a lot of NVH at certain engine rpms. I like my Mantic a lot better. Still only 32# total, but it drives a lot smoother.
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Old Oct 28, 2023 | 10:43 AM
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Originally Posted by grubinski
Are you on a factory PCM? In my car, I made the throttle map (accelerator pedal position vs throttle opening) a lot **softer** at low openings. You might want the opposite ... a touch more opening at low angles.

I took my BC carbon clutch out. I didn't like the lack of springs in the clutch discs, it lead to a lot of NVH at certain engine rpms. I like my Mantic a lot better. Still only 32# total, but it drives a lot smoother.
Mike, I’m running Mast M90 electronics. I’ve played with tip in til I’m sick of it. Seriously have several hours on it. It’s as good as it gets, with this much overlap in a camshaft. I’m not upset about how it behaves. Rapping the throttle a couple times as I leave a stop sign or red light is actually still fun to me, but I’m only 51. I put Tonys MMS Ceramic Mantic in my sons C5Z, and it’s a great clutch. I love the Mantic!
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