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Old 03-02-2008, 03:29 PM   #1 (permalink)
bayer20
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Restoration in 30 days

High there, Im new to this site. I usually deal with pontiacs but I found myself restoring My Cutlass S. I just pulled my 350 out and have it dissasambled for the machine shop. I noticed that my 350 has some sirrious dish pistons and TDC was also a 1/4in. shy from the deck. I also have some cracked manifolds wich i will replace with some 1 3/4 headders.
What options do I have to bump that 160hp to lets say...300hp? I want nothing radically so an RV Cam is what I had in mind. Is anyone familiar with those heads? Bigger Valve? What are my options.

~Brian
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Old 03-02-2008, 03:30 PM   #2 (permalink)
bayer20
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Bare Block
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Old 03-02-2008, 04:19 PM   #3 (permalink)
Rallye469
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Posts: 223
I assume you're talking about "5" heads?
They're great.
How cheap do you want to be? I think the best way to make an enjoyable
amount of power(IMHO) is in this order:
1. Bump up compression to about 10:1.
2. Larger 2.00" valves and some light porting work WOULD be great
3. You didn't say it was a 2 or 4 bbl but I'm guessing it's was a 2...
(you know what to do here)
I know a lot of people opt for the edelbrock intake but if you're just going
to go with a performer, save your money and get the factory cast unit...
4. 650 w/ vac secondaries
5. This is a decent split cam spec for your type of build...
Int Lift. Ex.Lift. Adv Duration Lopbe seperation angle
0.496 .512 266°/274° 110°

(this is a mondello/engle grind, I think it's a nice little street cam.
however, once you get past .500 lift, the olds rocker geometry goes to hell. It requires a set of comp cams adjustable rockers and possibly longer
push rods- starting to ad up isn't it?)

6. Headers
7. HEI(optional if you can tune points, but they're cheap. Any factory
junkyard unit in ANY Olds V8 with HEI will fit.)
8. ditch the 2 speed trans and go for a TH350 with a nice tight 2500 converter.
9. Loose the 2.56 rear gears(just guessing again) and throw in a set of 3.42's)

This is one way to make a nice healthy, easy to deal with, pump gas friendly, drive for hours car that will probably turn mid 13's.
You will have fun.
-Peter
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Old 03-02-2008, 08:46 PM   #4 (permalink)
88 coupe
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Join Date: Oct 2004
Location: Southern CA
Posts: 1,063
Quote:
Originally Posted by bayer20 View Post
........ I usually deal with pontiacs but ........
Not much difference. The same laws of physics apply to both.

Quote:
Originally Posted by bayer20 View Post
........ has some serious dish pistons and TDC was also a 1/4in. shy from the deck ........
Doesn't matter much if you are going to replace them.

Quote:
Originally Posted by bayer20 View Post
........ What options do I have to bump that 160hp to lets say...300hp? ........
Your machinist can tell you what pistons are available.

Quote:
Originally Posted by bayer20 View Post
........ an RV Cam is what I had in mind ........
RV cam was designed for use with low compression "smog motors" of the '70s. Be sure to discuss your cam choice with you machinist, as it will affect your piston selection.

Quote:
Originally Posted by bayer20 View Post
........ Is anyone familiar with those heads? ........
As cast, they will easily support your 300 HP.

Norm
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Quote:
Originally Posted by Texascarnut View Post
........ I think you are more of an irritant to everyone here, and most certainly not nearly as smart or knowledgeable as you seem to think you are.
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Old 03-02-2008, 09:12 PM   #5 (permalink)
88 coupe
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Quote:
Originally Posted by Rallye469 View Post
........ this is a mondello/engle grind ........
JM-20-22 .496/.512 266°/274° 226°/230° 110° Designed and ground, by Engle, for Mondello.

Quote:
Originally Posted by Rallye469 View Post
........ I think it's a nice little street cam ........
Not an RV cam.

Quote:
Originally Posted by Rallye469 View Post
........ however, once you get past .500 lift, the olds rocker geometry goes to hell ........
Make that .550". The .500" figure is used by those who sell adjustable rockers.

Norm
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........ I think you are more of an irritant to everyone here, and most certainly not nearly as smart or knowledgeable as you seem to think you are.
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Old 03-03-2008, 05:10 AM   #6 (permalink)
Rallye469
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Quote:
...is used by those who sell adjustable rockers.
Wouldn't doubt it.
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