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04-16-2006, 07:03 PM
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#1 |
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Senior Member
Join Date: Nov 2005
Location: AL
Posts: 2,519
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What have you done to you 402 for power?
Has anyone put on a set of aluminum heads, cam, intake, carb to their 402? How does it run? Is it a tire molestor?
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04-16-2006, 07:19 PM
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#2 |
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Senior Member
Join Date: Dec 2004
Location: Southern Pines NC
Posts: 3,853
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Re: What have you done to you 402 for power?
It should be, stock they are. A guy down the street did the edelbrock system on his 396 chevelle oval port, what a difference and it took some weight off the front
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04-16-2006, 07:29 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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Re: What have you done to you 402 for power?
i gave mine away.
 But now I got a 500. 
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04-16-2006, 07:46 PM
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#4 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: What have you done to you 402 for power?
Replaced it with a 502.
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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04-16-2006, 07:55 PM
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#5 | |
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Senior Member
Join Date: Nov 2005
Location: AL
Posts: 2,519
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Re: What have you done to you 402 for power?
Quote:
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04-16-2006, 08:36 PM
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#6 | |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: What have you done to you 402 for power?
Quote:
 )
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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04-16-2006, 08:44 PM
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#7 |
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Senior Member
Join Date: Dec 2004
Location: Southern Pines NC
Posts: 3,853
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Re: What have you done to you 402 for power?
But what a sweet truck and that 56.............what can I say
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04-16-2006, 09:39 PM
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#8 | |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: What have you done to you 402 for power?
Quote:
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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04-16-2006, 09:41 PM
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#9 |
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Registered User
Join Date: Jun 2002
Location: central pa
Posts: 1,525
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Re: What have you done to you 402 for power?
New cam is the quickest way to wake up a old 402. At 80,000 miles cam sprocket went took out 8 exhaust valves so I dropped a crane hmv272 cam in it new exhaust valves and push rods, stock intake and q-jet That thing was unstopable( till I had it rebuilt at 150,000 then 1 problem after another).
__________________
72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne |
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04-16-2006, 09:42 PM
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#10 |
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Active Member
 
Join Date: Dec 2005
Location: Bethlehem, PA
Posts: 346
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Re: What have you done to you 402 for power?
I have a good 1969 four-bolt 402 block, heads, and crank if anyone is interested. Make me an offer.
__________________
The older I get, the faster I was!! |
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04-16-2006, 11:33 PM
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#11 |
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Senior Member
Join Date: Jan 2005
Location: SUNNY WARM BIKE RIDING COTTONWOOD ARIZONA
Posts: 2,097
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Re: What have you done to you 402 for power?
hell mine pulls hard all the way to 3k with just the performer intake and headers. if it would actually rev above 3k i could fry my tires for a long time. i just need to get in there and tune my new ELDELBROCK carb. just havent worried about it since it gets 6mpg anyways and i really need to keep my foot out of it. lol
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04-16-2006, 11:35 PM
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#12 |
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huh ???
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,369
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Re: What have you done to you 402 for power?
Swapped it out for a 396...
Chuck
__________________
90 Blazer Silverado 350w/ 700R4 and 32" Kelly's "I am a bomb technician. If you see me running try to keep up!" |
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