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Old 10-09-2002, 01:55 PM
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Post more power for 74 nova

I just bought a 74 nova with a 350 2barrel carb, auto transmission. It makes 145 hp/250 lb/ft. What are some of the most economical and not incredibly difficult mods that will give me more power? It has aftermarket dual exhaust. I am going to put a 4-barrel carb on it and probably headers. Any suggestions for good choices for those? thanks
Joel

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Old 10-09-2002, 02:25 PM
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Edelbrock Performer, 600cfm Holley 4150, any long tube headers. A 268 Extreme Energy Comp Cams would also be a nice upgrade.

chris
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Old 10-09-2002, 03:20 PM
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Talking

6-71 blower will solve all your problems
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Old 10-09-2002, 06:54 PM
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Including what you are doing with your paychecks for the next six months!!!


6-71sbc!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

You are a bad, bad boy.

Nothing like a 500 pound bomb on top of the engine.

Run a compression test.

Look around. There is a pressure switch by the distributor at the rear of the engine. If you are lucky, there will be a pipe plug looking thing at the front between the intake and the timing cover. Buy a cheap (Low Dough) direct tube type oil pressure gauge, and check things cold and hot. There will be a difference and fellas here will get very specific on what is what. And why.

Drive it.


Then drive it some more. After a week or month or year or whatever, THEN decide if you want to pour a pile of money into a greasy lump.

Or just read, listen, learn and build a real car.

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Old 10-10-2002, 06:39 AM
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slider is right.. i put my 6-71 on my bone stock 400sbc with 67,000 mile and it ran 3 years before i forgot to turn on my fans and overheated the engine. cracked 4 pistons and blow both head gaskets and took me 6 years to build my new motor and a divorce several times.

so the lesson here is to do your homework before jumping in on somthing big like a 6-71, i got in over my head but in the long run it is worth it <img src="graemlins/evil.gif" border="0" alt="[evil]" />
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Old 10-10-2002, 08:45 AM
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74 nova? a 74? you dont need power you need help <img src="graemlins/nono.gif" border="0" alt="[nono]" />
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Old 10-10-2002, 03:28 PM
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I know that the later novas (74) were not as desireable but I dont exactly know why? There is some emissions control stuff under the hood right? What mods and how much money would it take to get it up to 250 hp? 300? thanks
Joel
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Old 10-10-2002, 04:15 PM
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Alright Guys.
Leave him alone. This club isnt(I hope) gonna turn into the other type were someone gets dogged by there choice of cars. Its his ride and money, let him spend it how he enjoys.
Anyway, Try a Edelbrock performer or Weiand stealth intake. Good off idle response. For Carb, Id use a Edelbrock 500-600. That with headers should be pretty noticible difference. Good luck, HG
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Old 10-10-2002, 05:52 PM
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how much power would a 600 4 barrel, headers, and an intake manifold add? How about adding the 268 camshaft? it already has dual exhaust
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Old 10-10-2002, 06:46 PM
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If you use headers get thick flanges, 3/8, they don't warp as bad and you won't have to retighten as often.
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Old 10-10-2002, 06:50 PM
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get a good hei .the stock one is no good
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Old 10-10-2002, 07:28 PM
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[quote]Originally posted by CombatWombat:
<strong>how much power would a 600 4 barrel, headers, and an intake manifold add? How about adding the 268 camshaft? it already has dual exhaust</strong><hr></blockquote>

Without the cam you might get 225-250 IMO. With it maybe another 25 to 50. It is hard to say you will get a certain amount of power, because it is dependant on the whole combo working and being tuned properly. BTW, dont let these guys dog your car!!! If you have a 74 and that is what floats your boat then by all means be proud of it. I think that almost any car that is put together right can make a sharp cruiser. Hell, I used to think that the late seventies malibus were the most granny car there was. I have recently seen some ****** malibus and have a new respect for them.

Good luck with your project!

Chris
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Old 10-10-2002, 07:31 PM
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[quote]Originally posted by MHenricks:
<strong>If you use headers get thick flanges, 3/8, they don't warp as bad and you won't have to retighten as often.</strong><hr></blockquote>

This is true, however with a good set of locking bolts, you can make any of them work. Most of the 3/8 flange headers are competion type and much more expensive. If you can afford 250 dallar hedders go for it, they are better, but if you are like me and a cheapass, I would get a set of 90 dallar headmans.

Chris
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Old 10-11-2002, 08:21 AM
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really though they are good cars, i had one shortly and it ran great for 100,000 miles until i traded it for a 58 ford 1ton. didnt mean to knock you car man.
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Old 10-11-2002, 04:31 PM
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thanks for all the help, its alright if you dont like my car, I like it. What would it take(mods and money) to get it over 300 hp? just wondering, thanks
Joel
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