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#1
06-09-2009, 12:24 PM
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LS1/LS2 in a 67 Grand Prix
What would it take to install one? I've been toying around with the thought of pulling out the 400. I got this idea when I was at Ocean City, MD for the car cruise last month. There was a 59 Bonneville with an LS1 installed in it. I didn't get a change to talk to the owner to found out what he need to do.
Any thoughts?
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"Everyone is entitled to be stupid sometimes, but you're abusing that privilege" www.musclecargalore.com [www.reverbnation.com/nikivee 1967 Pontiac GTO 1967 Pontiac Grand Prix 1972 Pontiac Lemans Sport Convertible 2015 Dodge Challenger Scat Pack 392, 6 speed 2021 Ford Explorer |
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#2
06-09-2009, 01:44 PM
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You might take a look at this thread:
http://forums.maxperformanceinc.com/...d.php?t=576137 Although it is specifically related to an LS3 into a '64 Tempest, it is quite detailed and I would suspect a lot of the concepts (and parts) are similar... K
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'63 LeMans Convertible '63 Grand Prix '65 GTO - original, unrestored, Dad was original owner, 5000 original mile Royal Pontiac factory racer '74 Chevelle - original owner, 9.56 @ 139 mph besthttp://www.superchevy.com/features/s...hevy-chevelle/ My Pontiac Story: http://forums.maxperformanceinc.com/...d.php?t=560524 "Intro from an old Assembly Plant Guy":http://67-72chevytrucks.com/vboard/s...d.php?t=342926 |
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#3
08-23-2009, 06:20 PM
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You should have no space concerns at all. With the weight savings you should be able to put it where you want to.
I thought this would be way cool to, an ls1 powered full size poncho with a 6 speed and cruise, a/c etc etc. It would most likely get over 20mpg to boot. John |
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#4
08-23-2009, 06:37 PM
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money, and lots of it. if you can fabricate some simple stuff, you should have no problem and not spend a fortune.
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 John J.  
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#5
08-23-2009, 08:20 PM
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Why not build the 400 to beat the ls series engine and save the car, money in the process? Despite what some want to claim, it isn't hard to beat the ls series engines in power and mpg.
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#6
08-24-2009, 09:06 PM
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Quote:
 Nick, I think I need your assistance with an engine for my LeMans.
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1947 Ford Coupe 1972 Pontiac Luxury LeMans (Sold to Nephew) 1984 Chevrolet Monte Carlo SS 2003 Chevrolet Monte Carlo SS Jeff Gordon Edition 2017 Dodge Challenger SXT Black Top Edition |
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#7
08-26-2009, 11:58 PM
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I am a pontiac guy solid however the LS engines are not something to squak at. I had 388rwhp with mods to my 2000 vette I still got 22 plus on the freeway and depending on my foot in town,I got 13-17. And it was sheer brutal power compared to many other cars that HP
I just put my LS1 on the engine stand the other day to install the new cam and modified oil pan it did not even lean down when I took it off the hoist like an iron block engine. Spinning it on my cheap engine stand is almost a one handed job compared to a back breaking spin with an iron block motor. 2-300 lbs weight savings, superior head designs it should make the big car near 50/50 weight distribution now that would be crazy in an old car like that. I see the only issue with your swap is getting the right header to work, not sure what or if any other GM car shared your chassis? I have a take out used engine and with the cost of it and all the conversion pieces I am in it for less, not more than building a solid pontiac motor with alum heads(Pontiac 8k easy)With a carburator no less. Would get considerably less MPG all the way around too. Don't get me wrong I had recently built an IA2 to the tune of 17k!!! lost my job before I could get a chance to see what 650HP on pump gas felt like and had to sell it, but 17K I could have built an LS engine for way less got the HP and still would have had better gas mileage and had Injection versus a big fat carb. Plus lighter weight It is all in what ya want to do, I built thhe IA because I wanted PONTIAC POWER In my prostreeter Trans Am not a chebby big block, BBC would have cost less also. So I am one who is open to old school and new school tech. in our hobby, after all it is each persons hobby and each persons perogitive to build the car they want, not what someone else wants. Peace
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Eric CURRENT CARS 68 Firbird 400ci convertible |
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#8
08-27-2009, 08:05 AM
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#9
09-01-2009, 05:46 PM
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#10
11-27-2009, 04:51 AM
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Quote:
 Until the LS series engines can beat my Pontiacs, you might as well!!!! And I've had enough try to with their ls series powered rides, but they haven't yet. Poor guy with a modifies ls1 with all ls4 top end stuff, gm's hottest cam, and a few mods like th largest accufab trttle body, slp headers and full exhaust, just went limping home last saturday. My little ole 354 Pontiac spanked it.
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