68 impala 427 - Impala Tech
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post #1 of 10 (permalink) Old 07-30-2011, 06:25 AM Thread Starter
 
 
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Location: long island ny
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68 impala 427

hello impala fans, newbie from new york, i have a 1965 impala ss 327 p/g that is numbers matching , i am converting to a 4 speed. had the engine rebuilt to 350 hp L79 specs. had this 65 since 2006. 2 weeks ago i came across a 1968 impala 427 385 hp muncie 4 speed posi rear bench seat all original window sticker 78,000 miles 4 sale and bought it. now have 2 cars to finish.


looking for any info on the 1968 427 impala non ss????? production numbers, originality, did chevrolet make a plain jane 427 4 speed bench seat impala??? any info would be great. can post pictures of car ,engine,window sticker,etc. the 427 fender emblems are red. are those after market? vin number 164878jxxxxxx thanks mike
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post #2 of 10 (permalink) Old 07-30-2011, 08:33 AM
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Michael, You could order a 427 in any car. Parts for 68 are hard to find too so be prepared to pay top dollar. Pictures would be great. The sequence numbers which appears on trim tag should match numbers stamp on block if it is an orginal. I don't think chevy ever broke number down by ss vs non ss or for that matter any body style like biscayne, belair, impala or caprice. At best you can get to is the number of 427 installed into full size chevy's in 1968. Hope this helps.

Paul
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post #3 of 10 (permalink) Old 07-30-2011, 10:00 AM
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Welcome to the Team Michael!

You could get the 435 horse powered 427 in a two door sedan Biscayne, which a lot of people did (because it wasn't available as an option in a Chevelle body because of the 400 cube restriction). It was raced in Super Stock and occasionally I have even heard of them even being raced on the street back then as they where purchased to be a sleeper.

In 1967 Chevy introduced the Camaro which stole a lot of thunder from the 427 SS Impala, as a 375 horse 396 pushing one ton less of car in a Camaro would take the full size Impala every time. They dropped the SS427 option after 1968 (only ran from 1966-'68). Also note that a SS427 option was different from a regular SS package in an Impala. The SS427 had different badges, a different hood and heavy duty suspension, cooling system and charging system along with a bigger battery. All had a 12 bolt rear and 15 inch wheels. The regular SS option only got you bucket seats, center console with floor mounted shifter and badges as it was a trim option not a performance option. You could order a SS Impala in 1965-70 with a 230 cid six cylinder PowerGlide if you wanted it.

All you have to do now is find an ultra rare 1966 SS427 to complete the set (there were precious few made). Speaking of rare there were very few PowerGlide equipped 427 cars made as the TH400 was the automatic offered if you up graded from a standard three speed manual transmission.

Big Dave
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post #4 of 10 (permalink) Old 07-30-2011, 08:06 PM
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Quote:
Originally Posted by Big Dave View Post

All you have to do now is find an ultra rare 1966 SS427 to complete the set (there were precious few made). Speaking of rare there were very few PowerGlide equipped 427 cars made as the TH400 was the automatic offered if you up graded from a standard three speed manual transmission.

Big Dave
No disrespect Dave but if they made 66 SS427 I have never seen one. I know they put a 427 in the 1966 fullsize chevy but they were not called an SS427. Maybe these were some kind of prototype? The SS427 was a regular production order from 1967-1969. As far as 427 with a Powerglide according to GM own documentation on the Heritage site for 1966 the L36 (427-390HP) was only available with HD 3 Speed, Muncie 4 Speed And Turbo Hydra-Matic. The L72 (427-425HP) was only available with HD 3 Speed and Muncie 4Speed.

Last edited by wogman75; 07-30-2011 at 09:27 PM.
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post #5 of 10 (permalink) Old 07-30-2011, 10:32 PM
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Any factory 68 big block is worth it, even for the parts; unless is is a total basketcase --using that term loosly--. I also am doing a 4 spd. conversion so you know how hard it is for correct parts. I believe the production number for a 68' 427SS with the Z03 option is 1440 units, so you can work with that. Even a decent clone can bring some good scratch.
As you know the fender gills are not produced and the rare hood is not either but there is a guy out there the is repoping the grill on the hood for I think for 6 bill's. You can get it chrome or in raw. You have a better chance finding oil on your property that getting a good 427 hood .
Dave, there was the 427 in a 69 also, I have seen a fully dressed 4dr. pillarless with hide-a-way's about 10 min from my house but he's wanting 2K less motor/trans. but everything else is there. I was going to get it for the rear ( 12 bolt) disc brakes; and of course the hide-a-ways but he would not move off that price. BTW its still sitting there.

Last edited by 68imp; 07-31-2011 at 04:00 AM.
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post #6 of 10 (permalink) Old 08-03-2011, 01:27 AM Thread Starter
 
 
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hello guys, thanks for all the input. the vin # stamped on the block does match. i just have to check the trans # and rear 12 bolt posi 3.55. it is a non-ss, and not a ss427. no fender gills ,no raised hood, its just a plain jane impala. no power steering, dash mounted tach, m21 muncie. go fast sleeper. all parts are there it does need fresh paint. soon as i can figure out how to post pictures i will. window sticker reads
18068a black vinyl trm 10.55
1900kk tripoli turquoise .00
1m21aa 4-spd cl ratio tran 184.35
1f40nc special suspension 4.75
1p12aa 14x6 wheels 5.30
1d33aa r/c r v mirror 9.50
1u63hm am radio 61.10
1u14bc spec instruments 94.80
1t60ca heavy duty battery 7.40
1p7788 825x14x2 ply wsw 35.55
1g96nb rear axle 355 ratio 2.15
1g80ka positract axle 355r 42.15
1L36ah 385hp turbo-jet v8 263.30


this car includes all these features-
hide-a-way windshield wipers,deluxe steering wheel,glove compartment
and ignition switch lights, wheel opening moldings, luggage compartment mat and light, deep twist carpeting, front seat back latches, front shoulder belts, lighter

factory installed options and accessories subtotal 720.90

total amount 3752.90



thanks again mike
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post #7 of 10 (permalink) Old 08-09-2011, 08:36 AM
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I'm just finishing a frame off resto on a 68 matching numbers plain jane 4-speed bench seat Impala ( L-72) and also own 3 SS427s. Two of these cars have red foil side markers so these are not aftermarket. they were installed by some assembly plants ( Tarrytown, NY: St. Terese, Canada) at various times during the production year and are considered fairly rare. BTW, I'm in Ct. Don S
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post #8 of 10 (permalink) Old 08-09-2011, 08:48 PM
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Hey Don, Would you sell me one of those 427 hood's, after all you have 3 ha ha .
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post #9 of 10 (permalink) Old 08-09-2011, 08:54 PM
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Hey John, you know,maybe I should; at my house flat hoods are rare. LOL
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post #10 of 10 (permalink) Old 08-22-2011, 06:01 AM Thread Starter
 
 
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Quote:
Originally Posted by 68SS427 View Post
I'm just finishing a frame off resto on a 68 matching numbers plain jane 4-speed bench seat Impala ( L-72) and also own 3 SS427s. Two of these cars have red foil side markers so these are not aftermarket. they were installed by some assembly plants ( Tarrytown, NY: St. Terese, Canada) at various times during the production year and are considered fairly rare. BTW, I'm in Ct. Don S

hello Don, thanks for the info on the side markers. great to know that someone else has a "plain jane" IMPALA would you know how rare these 68 427 are? how much they are worth. having trouble finding any on-line for sale to compare. hagerty price guide is way off and the only other one i can find was from a car collection for sale and only listed as sold. one more quick question about the steering wheel. mine says impala on the center ring with a small 427 sticker under the impala. is this a factory marking or did someone just put it there. will try to post pictures after work today thanks mike.
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