Get the most from my 327 or go to another engine? - Impala Tech
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post #1 of 12 (permalink) Old 07-10-2012, 04:29 PM Thread Starter
 
 
Join Date: Jul 2012
Location: Fairview, TN
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Get the most from my 327 or go to another engine?

Hey all! I just got my first 64 Impala SS with a 327 in it has a manual Holley Carb, and headers and Edelbroc manifold, i really want to get the most HP and Torque out of it as possible it just seems to be lagging a bit... and not much there... i have also considered switching the engine to a 383... Ideas?
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post #2 of 12 (permalink) Old 07-10-2012, 05:14 PM
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If the motor is original I would pull it, drain the fluids, and bag it. Store it safe away from moisture, and shop for a small block Chevy 400 cube motor. Build that to any level you want because even stock with a wimpy cam and two barrel it has enough grunt to move your car right on down the road.

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post #3 of 12 (permalink) Old 07-10-2012, 05:49 PM
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If you want to keep the original looks but don't mind messing with the 327 engine you have, and have a good budget, you can turn your 327 into a 383.

350 caps on a 327 block, line bored to the larger journal size of the 350. Now a standard 350 stroker crank will fit in (with the usual clearance work done to the block)


Some nice hydraulic roller lifters so there are no lifter break-in worries and no zinc worries.



A mild cam.



Gives you 370 HP and 420 Torque on the engine dyno.



But looks perfectly stock and is mild mannered enough to have power brakes and A/C. Best of both worlds, except for cost




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post #4 of 12 (permalink) Old 07-10-2012, 05:56 PM Thread Starter
 
 
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Its not the original so i doing know if i want to do that i will most likely replace it... one of my ideas is just going all out and putting in a 454

Quote:
Originally Posted by dcairns View Post
If you want to keep the original looks but don't mind messing with the 327 engine you have, and have a good budget, you can turn your 327 into a 383.

350 caps on a 327 block, line bored to the larger journal size of the 350. Now a standard 350 stroker crank will fit in (with the usual clearance work done to the block)


Some nice hydraulic roller lifters so there are no lifter break-in worries and no zinc worries.



A mild cam.



Gives you 370 HP and 420 Torque on the engine dyno.



But looks perfectly stock and is mild mannered enough to have power brakes and A/C. Best of both worlds, except for cost
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post #5 of 12 (permalink) Old 07-10-2012, 07:11 PM
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Buying a big block will maximize your performance dollar all right. May open a whole new can of worms, but you will have street performance enhancement covered in spades.

Big Dave
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post #6 of 12 (permalink) Old 07-10-2012, 11:32 PM
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I'm all for getting more torque than the 327 gives you, so my vote is 'go bigger'. Just bear in mind the extra weight of the big-block and all it's bigger bolt-ons over your front wheels!

FWIW - I did the Blueprint brand 383 crate motor from and love love love it.

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post #7 of 12 (permalink) Old 07-17-2012, 11:18 AM Thread Starter
 
 
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Well i made my choice i got a 454 with alum heads... i am thrilled... :-) YAY!
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post #8 of 12 (permalink) Old 11-27-2012, 01:41 AM
 
 
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454

have you put the 454 in your car? if you have was it hard to do ? i have a 327 in my 1962 impala and was thanking of replacing it with a 454. do you have any pictures to post of the car with the 454 in it ? thanks
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post #9 of 12 (permalink) Old 12-24-2012, 03:05 PM
 
 
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62 impala bbc

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Originally Posted by maddog1949 View Post
have you put the 454 in your car? if you have was it hard to do ? i have a 327 in my 1962 impala and was thanking of replacing it with a 454. do you have any pictures to post of the car with the 454 in it ? thanks

heres some if that helps
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post #10 of 12 (permalink) Old 01-05-2013, 05:18 AM
 
 
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Thanks for the pictures . looks great, this is what i wii be doing to my.
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post #11 of 12 (permalink) Old 07-13-2013, 05:31 PM
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454 bad to the bone

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Originally Posted by coldbluefusion View Post
Its not the original so i doing know if i want to do that i will most likely replace it... one of my ideas is just going all out and putting in a 454
Just drop in a 454 and be bad to the bone. Big block will solve your performance concerns.
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post #12 of 12 (permalink) Old 07-15-2013, 12:15 PM
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Anything bigger then the 327 will be a plus to move the weight of these big cars. I'm with everyone else with going big block if the 327 isn't the original engine. Even if you don't dump a whole lot of money into it, in stock form you can't beat the big block to get you moving in a hurry.

Was looking at the pics in Vegadan's reply and that first one, with the "itty bitty" breather on it, looks rather funny. Looks like a peanut riding an elephant. How well does that thing breath?


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