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Post Info TOPIC: 454 vs 468
Ben


- RAMBO -Mill Creek, WASite Administrator

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454 vs 468
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I will say that I wish now that I had gone with the popups for the extra compression so i could run the 60804. I chose the 60803 and it runs great and sounds great- but I do regret not going for that next step up.



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Ben R.

1968 Chevelle 300 - 454 / 4spd



- Durand -

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What's the deal with these Oldsmobile camshaft part numbers?
Last time I checked they no workie in BBC.

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'65 Pontiac Lemans 468 t400 4.10 12 bolt

Best ET  11.43 @ 117.7




- wondah whooooaman-
Colorado Springs


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LaVelle wrote:

What's the deal with these Oldsmobile camshaft part numbers?
Last time I checked they no workie in BBC.


I don't know about Ben's current cam but the 402a3 was a Lunati cam that was designed by Harold Brookshire for a BBC.  I forget the rest of the specs but the lift was 586/600.  It made great power in my 402/439 then I went to a Straub solid roller for even more performance (and blew the motor after 10 passes because I was stupid) 



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG


- Ben #2 -

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I think the third digit denotes what engine the cam fits, being an 8 denotes Oldsmobile in lunati’s cam numbering. 60804 is olds, 60204 is bbc, 60104 is sbc, 60404 is mopar, etc. 



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68 Malibu 307/PG. For now.....



- wondah whooooaman-
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Bskredsvig wrote:

I think the third digit denotes what engine the cam fits, being an 8 denotes Oldsmobile in lunati’s cam numbering. 60804 is olds, 60204 is bbc, 60104 is sbc, 60404 is mopar, etc. 


Well, Ben always did lean a little Oldsmobubble, something in the water there maybe?  



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG
Ben


- RAMBO -Mill Creek, WASite Administrator

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LaVelle wrote:

What's the deal with these Oldsmobile camshaft part numbers?
Last time I checked they no workie in BBC.


 Clearly I'm still missing my 66 442 & it's 455

 

That motor build took me 3 years to scrape together, so it had longer to burn into my brain. By comparison, my 454 was only 8 months, seems like it went by in a blink!

 

Lol



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Ben R.

1968 Chevelle 300 - 454 / 4spd




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Ben wrote:

I will say that I wish now that I had gone with the popups for the extra compression so i could run the 60804. I chose the 60803 and it runs great and sounds great- but I do regret not going for that next step up.


 Yep, a little higher compression and that 60204 is a great combo.



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Welfare Nova 10.13 @ 131 N/A, can't wait for a full squeeze pass and some traction, 9's coming. 



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FRYNTYR wrote:

 Yep, a little higher compression and that 60204 is a great combo.


 Getting into that realm of cam and the compression to support it, I'd go to a SFT.

I used a old Lunati # 40209 which is a whole different animal and is streetable with a stick or high stall. ( I can street drive a pretty big cam w/4000 stall.)

It would turn 7000 rpm with well prepped 781's, a dual plane/850pd, and was friendly to valvetrain



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'65 Pontiac Lemans 468 t400 4.10 12 bolt

Best ET  11.43 @ 117.7



- Ben #2 -

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How much more maintenance is the sft? One of my bikes is solid and I’ve got to adjust valves a lot. In the end, when this motor is done and reliable enough, I plan on this being my primary driver 8-9 months of the year. Don’t want to be adjusting valves every 2 weeks. 



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68 Malibu 307/PG. For now.....


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If you plan on driving it 8-9 months a year stay with a HFT.
Keep the duration under 230 @ .050, it will rumble, and still have plenty of power.
It will be more enjoyable to daily drive,(especially if you have power brakes)and you can get gas for it anywhere.

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'65 Pontiac Lemans 468 t400 4.10 12 bolt

Best ET  11.43 @ 117.7

Ben


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Bskredsvig wrote:

How much more maintenance is the sft? One of my bikes is solid and I’ve got to adjust valves a lot. In the end, when this motor is done and reliable enough, I plan on this being my primary driver 8-9 months of the year. Don’t want to be adjusting valves every 2 weeks. 


 Next time you come down here, if the weather is nice, i'll let you drive mine. Should give you a pretty good idea if you would want to go for that next step up in power or not.

 



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Ben R.

1968 Chevelle 300 - 454 / 4spd



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Come on sun!



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68 Malibu 307/PG. For now.....



- wondah whooooaman-
Colorado Springs


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Bskredsvig wrote:

How much more maintenance is the sft? One of my bikes is solid and I’ve got to adjust valves a lot. In the end, when this motor is done and reliable enough, I plan on this being my primary driver 8-9 months of the year. Don’t want to be adjusting valves every 2 weeks. 


I touched mine about twice a year but it wasn't a daily driver.  I've been running Darryl's solid roller BRE 427 for almost 3 seasons and haven't touched the valves yet.  



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG
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