Return of the Death Nova

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Craig W.
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Re: Return of the Death Nova

#91 Post by Craig W. » Mon Oct 28, 2013 8:49 pm

Cam got here today. I was a little off on the specs. 282/304@.050. .874/.840 after the lash. 114.5 lsa. 111 centerline.
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Mike Peters
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Re: Return of the Death Nova

#92 Post by Mike Peters » Mon Oct 28, 2013 9:40 pm

Craig W. wrote:
Sure Mike, I don't care to share the cam specs. I don't have the lobe numbers with me right now but if my memory is correct the intake is 278@.050, the exhaust is 311@.050 and its a 115 lsa. 1.9 intake and 1.8 exhaust rockers. Lift will be about .890/.850". Mark said the extra exhaust duration would widen my tuning window.
Dang, makes my lil' stick seem like a street grind. Of course, you've obviously got the heads to use those specs. That is quite a gap between intake and exhaust duration. Mine's 286/296 but not nearly the lift. Interesting on the rocker ratios also. I always thought if you could maintain geometry, using big ratios and keeping the lobes smaller would be beneficial. What size of cam core are you using? Thanks for sharing Craig.
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Re: Return of the Death Nova

#93 Post by Craig W. » Tue Oct 29, 2013 8:33 pm

Its a 55mm cam with roller bearings.

Big gaps between intake and exhaust seem to be the modern thinking for both N/A and nitrous cams.
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Re: Return of the Death Nova

#94 Post by wikd69 » Wed Oct 30, 2013 7:03 am

Craig W. wrote:Cam got here today. I was a little off on the specs. 282/304@.050. .874/.840 after the lash. 114.5 lsa. 111 centerline.
Holy crap, that is one wicked stick !!!!
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

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Craig W.
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Re: Return of the Death Nova

#95 Post by Craig W. » Wed Oct 30, 2013 7:37 am

Hopefully its not as wicked as before. .965" lift was a bit aggressive! But that was not the cam that was supposed to be in this engine anyway.
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Re: Return of the Death Nova

#96 Post by wikd69 » Wed Oct 30, 2013 8:18 am

Craig W. wrote:Hopefully its not as wicked as before. .965" lift was a bit aggressive! But that was not the cam that was supposed to be in this engine anyway.
You know, there is probably a 12-Step program for that sort of addiction.
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

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Craig W.
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Re: Return of the Death Nova

#97 Post by Craig W. » Wed Oct 30, 2013 8:21 am

If you get information on such a program, let me know!
Craig Watson
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Re: Return of the Death Nova

#98 Post by wikd69 » Wed Oct 30, 2013 8:15 pm

Craig W. wrote:If you get information on such a program, let me know!
I'm thinking there'd be a lot of us at those meetings :mrgreen:
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

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Craig W.
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Re: Return of the Death Nova

#99 Post by Craig W. » Wed Oct 30, 2013 9:24 pm

Maybe we should just meet at the track and go racing!
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Re: Return of the Death Nova

#100 Post by wikd69 » Thu Oct 31, 2013 2:08 pm

Craig W. wrote:Maybe we should just meet at the track and go racing!
Works for me :)
1969 ProStreet Camaro RS Best 9.75@139 1.46 60'
Blown 427 BBC, TH400 w/Brake, Back-Half Ladderbar
Narrowed 12-Bolt, 4.10 Gears, Spool, Moser 33 Spline

http://www.marsh-racing.com/harrys_camaro-1.htm

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Craig W.
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Re: Return of the Death Nova

#101 Post by Craig W. » Sun Nov 10, 2013 7:36 am

I got a little more done on the car yesterday. Pretty much waiting on two lifters to be rebuilt so I can button the top end of the motor back up. Hopefully they'll come back to me late this week and I can make some noise on Saturday but won't be able to get to the track. I'm running out of test days and weather. Maybe the 23rd will work.
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Re: Return of the Death Nova

#102 Post by John_Heard » Sun Nov 10, 2013 10:22 am

Hope you can get one more time on it before the winter sets in. We're supposed to have a race on the 23rd, but hard to say if the weather will cooperate or not.

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Re: Return of the Death Nova

#103 Post by Craig W. » Sun Nov 10, 2013 1:08 pm

It'll probably be a long winter if I don't at least get one pass in and get to put it away for the winter with a healthy engine.

Then again, I keep finding new things to do to it. What did I go do at 9:30 last night? Tore out the MSD box and coil so I could tidy up the wiring and mount them to a new ABS sheet.
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Bruce69Camaro
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Re: Return of the Death Nova

#104 Post by Bruce69Camaro » Mon Nov 11, 2013 5:30 am

If you really wanted to, how about drilling out the center of your bolts to lighten things up even more......that should keep you pretty busy for a while!
Those who think they know it all have no way of finding out they don't......... :scratch:

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Re: Return of the Death Nova

#105 Post by Craig W. » Mon Nov 11, 2013 7:25 am

I'm replacing non-critical fasteners with aluminum bolts. Haven't gotten real deep into that yet but have a few bags of bolts that I'm slowly working with.

I'm going to have to pile the weight in the car for next year if I run this new class that's been added. The car is about 3000 now (haven't weighed it after all the changes) and it'll have to be 3250. Looks like I get to eat well for Thanksgiving :-)
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