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-   -   H-I-J '76 Nova re-fit. (https://classracer.com/classforum/showthread.php?t=67661)

Rich Biebel 10-01-2019 07:04 AM
Re: H-I-J '76 Nova re-fit.
 
Quote:
Originally Posted by Nmbr1GMfan (Post 598874)
I'm honestly amazed after the dyno runs and where the power was, how far this thing will rev, in lower gears it will hit 7500 no problem.
A stock Z/28 302 would rev to 8000 if you let it back in 1969-1970

I drove one and that’s with stamped rockers and springs that had about 100lbs on the seat IIRC..

The difference from a hydraulic cam engine to a solid cam was like night and day.

Rich Biebel 10-01-2019 09:01 AM
Re: H-I-J '76 Nova re-fit.
 
My friend Joe Demarzo making a real nice pass this past Sunday at MG



https://www.facebook.com/larry.guest...4756815921752/

Nmbr1GMfan 10-01-2019 10:40 AM
Re: H-I-J '76 Nova re-fit.
 
Quote:
Originally Posted by Rich Biebel (Post 598882)
The difference from a hydraulic cam engine to a solid cam was like night and day.
Absolutely

Joe Schaechter 10-01-2019 05:16 PM
Re: H-I-J '76 Nova re-fit.
 
Quote:
Originally Posted by Nmbr1GMfan (Post 598868)
Thanks Bob, we run a heavily counter weighted setup, it will drive right through the clutch hitting it from 2500 rpm. Tinzy called me today and said her and Cale are coming to see us in 2 weeks so I'll have the clutch guru's here and I'll get even more knowledge and inspiration from the folks at Black Magic!
If hitting the clutch hard in the water is wrong then we have been wrong -- a lot! LOL With today's valve springs and the better control of the valve versus the 'old days' I would just make sure you have enough piston to valve clearance and let it rev. Hitting the shift points will come with seat time. We set our shift light below where we expect to hit it on the Racepak just like you do. After a couple of laps in the Spring we are able to adjust them to be a little closer.

https://youtu.be/AOM7ut3xWLQ

Nmbr1GMfan 10-01-2019 05:25 PM
Re: H-I-J '76 Nova re-fit.
 
Quote:
Originally Posted by Joe Schaechter (Post 598902)
If hitting the clutch hard in the water is wrong then we have been wrong -- a lot! LOL With today's valve springs and the better control of the valve versus the 'old days' I would just make sure you have enough piston to valve clearance and let it rev. Hitting the shift points will come with seat time. We set our shift light below where we expect to hit it on the Racepak just like you do. After a couple of laps in the Spring we are able to adjust them to be a little closer.

https://youtu.be/AOM7ut3xWLQ
This Chevy II is one of my favorites! Joe, we added .015 on the head gasket and have lots of ptv just for these conditions.

Nmbr1GMfan 10-01-2019 05:27 PM
Re: H-I-J '76 Nova re-fit.
 
Loaded up and headed out to VMP this afternoon... pics and vids to follow.

Keith 944 10-01-2019 09:07 PM
Re: H-I-J '76 Nova re-fit.
 
Temps tomorrow and Thursday in the upper 90’s. Going to feel like you’re still in Florida.
Drastic change for race day Lol should be fun!

james schaechter 10-01-2019 09:29 PM
Re: H-I-J '76 Nova re-fit.
 
This is my favorite in car video of the Nova 283 and some extra clutch for the dry hop!

https://m.youtube.com/watch?v=-xHXjTQWxwM

HP HUNTER 10-01-2019 10:08 PM
Re: H-I-J '76 Nova re-fit.
 
My favorite
https://youtu.be/EyksWlC-HFo

monte385 10-02-2019 09:28 PM
Re: H-I-J '76 Nova re-fit.
 
Quote:
Originally Posted by james schaechter (Post 598917)
This is my favorite in car video of the Nova 283 and some extra clutch for the dry hop!

https://m.youtube.com/watch?v=-xHXjTQWxwM
Looked like that could've hurt.


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