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Old 04-01-2009, 11:03 PM
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Blown 72 Nova

ok got a 72 nova originally a 307 installed a tall deck 454 runs awesome need more power i want to install a blower the blower i have is used and believe to be a 177. I need a way to measure the hood clearances on this baby before i wreck an original hood so i can buy a hood for proper clearances got any ideas? trying to stay as close to street legal as possible wich is 3 inch protrusion in wisconsin think it can happen>>>>>>Thank you
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Old 04-01-2009, 11:37 PM
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I suggest changing the rear gear ratio to 411's with that big block.

That blower with your carb attached will be too high for the hood protrusion restriction they allow in your state.
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Old 04-05-2009, 11:23 PM
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Thanks, did some measuring on a buddies nova with a 4 inch cowl looks like id need one more inch it'll be tight thou. lets see how long the law lets me drive it around ehhh!
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Old 04-05-2009, 11:36 PM
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Quote:
Originally Posted by shawbv
Thanks, did some measuring on a buddies nova with a 4 inch cowl looks like id need one more inch it'll be tight thou. lets see how long the law lets me drive it around ehhh!
Enjoy while the fun lasts.

If you keep the paint and body pristine looking, and it is not a daily driver, they may not stop you for it.
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Old 04-06-2009, 12:05 AM
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Quote:
Originally Posted by shawbv
Thanks, did some measuring on a buddies nova with a 4 inch cowl looks like id need one more inch it'll be tight thou. lets see how long the law lets me drive it around ehhh!
cut the top of the fenders and front and raise it up a couple of inches. You would not even have to raised the cowl. hahahahahaha
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Old 04-06-2009, 06:51 AM
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You might gain a bit of clearance by using BBC mounts if you're using SBC mounts now to gain header clearance.
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Old 04-06-2009, 12:11 PM
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Lower the engine. You'll need to notch the crossmember for oil pan clearance, and fabricate new motor mounts (the parts that bolt to chassis.) You can get a good inch or two of extra hood clearance. If you get a chance, take a look at an IHRA/ NHRA stock/ superstock Nova or Camaro for ideas.
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Old 04-28-2009, 09:46 PM
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thanks fellas think i got it figured found some specs on blower and looked into the law a little deeper. seems wi measures from base of wind shield for hood height i'll have about one inch extra after i top the blower with carb and cleaner. looked into the mounts but decided my oil pan was close enough to the pave already!!!!!!
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Old 12-08-2011, 08:32 AM
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blown 72 nova

just something to try. measure clearance between crossmember and pan. that distance is what engine can be lowered by using a front motor plate. you clean out mounts for more free area
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Old 12-09-2011, 07:10 AM
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Really surprised you are going to need 5" for the 177. They are much lower than say a 6/71 or 8/71. Too bad the cops are so tough on this issue. I have a 6/71 which takes up 1/4 of my windshield and all I get is a thumbs up from the cops. I have no expierence with the tall deck, guess they are much higher than a standard BBC.

Like someone else posted, I would look at swapping motor mounts. But, then again a fiberglass hood, especially a lift off should not be that much.

75-79 Fiberglass, stock, pin on, race weight- $199.00

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