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Forum: Engine Tech

Got a problem with your 455? ...or your 350 for you '73 guys...

  1. Power Timing

    Hello everyone, There's a magnificent thread on powertiming on the V8 Buick board. I suggest you get a cold drink and read through all of it. It...

    Posted By 73 Centurion
    • Replies: 12
    • Views: 134
    09-07-2010 04:51 PM Go to last post
  2. Kickdown issue

    I put a little over 500 miles on the Centurion this weekend. It ran beautifully except for an issue I had when I went to pass a car on a country...

    Posted By My3buicks
    • Replies: 9
    • Views: 151
    07-12-2010 07:36 AM Go to last post
  3. Cooling Tips for the 455

    I had mentioned on another post and some of you know that I do tow with my Centurion with a combined total weight of 9,700 pounds or so. And doing so...

    • Replies: 16
    • Views: 674
    07-10-2010 11:13 PM Go to last post
  4. Question Oil pressure sending unit.

    Anyone know the correct thread size for the oil pressure sending unit? I will probably order both sizes,but inquiring minds want to know. Thanks. ...

    Posted By gashog
    • Replies: 2
    • Views: 69
    07-09-2010 12:25 PM Go to last post
  5. Harmonic Balancer Removal 455

    I am looking for some assistance regarding the procedure for removing and re-installing the harmonic balance in a '71 455. I have the water pump,...

    Posted By 71ROUTE66
    • Replies: 9
    • Views: 144
    07-08-2010 10:48 PM Go to last post
  6. Engine replacment

    I have been considering replacing my 350 with a 455,How many modifications would be needed?

    Posted By cameronlo
    • Replies: 2
    • Views: 64
    07-06-2010 01:25 PM Go to last post
  7. Choke hosing

    Has anyone ever had a coolant leak in the choke spring housing?

    Posted By cameronlo
    • Replies: 3
    • Views: 69
    07-03-2010 11:56 PM Go to last post
  8. How much oil consumption is normal for a 455cui-engine ?

    My car has seen ca. 94 Kmiles up to now and has an oil consumption of ca.1 Quart per 1000 miles. Is this in the field of a normal rate ? Or is it...

    Posted By The German
    • Replies: 5
    • Views: 115
    07-01-2010 02:56 AM Go to last post
  9. Differance between 455 and Modified 455 hi perfomance

    What exactly is the differance between the two motors? Cam, carb, distributer?? Is it a package which includes a trasmission to match, i.e....

    Posted By fasstjim
    • Replies: 6
    • Views: 193
    06-23-2010 09:39 PM Go to last post
  10. My experience with a special oil additive

    At the end of April I decided to test the former here discussed special German oil additive "Mathy-M" and at the beginning of May I started my test....

    Posted By The German
    • Replies: 13
    • Views: 887
    04-10-2010 03:49 PM Go to last post
  11. Cooling System Update

    We recently had a 90 degree day and so I thought it would be a good test to run the A/C on MAX while idling with the top down. She made it about 10...

    Posted By BuickLover
    • Replies: 0
    • Views: 88
    04-08-2010 11:12 PM Go to last post
  12. jetting problem on the secondary, what´s your opinion

    Hey, I rebuilt the cylinder heads of my Centurion. I spent about 5 hours per head with porting. All valves are sealing perfect again, heads had...

    Posted By Austrian455
    • Replies: 6
    • Views: 427
    03-20-2010 05:55 AM Go to last post
  13. towing capacity

    does anyone know the towing capacity for a 1971 buick centurian as we will be buying a trailer and would what would be proper weight. .thank...

    Posted By edsmith
    • Replies: 5
    • Views: 218
    02-26-2010 09:13 PM Go to last post
  14. Is their a 455 difference..Within years?

    I have a 75 buick with 350 and I found a 73 455 engine out a wagon..is there a difference in 455 engine do I need a 75 455 engine? and does it matter...

    Posted By Ivyboy
    • Replies: 3
    • Views: 267
    10-28-2009 04:54 PM Go to last post
  15. engine running on 7 1/2 cylinders, CR issues, what to do ???

    Hey, The troubles with my 455 seem to be the endless story. Today I rebuilt my Q-jet again. I did it like described in the book "How to rebuild...

    Posted By Austrian455
    2 Pages
    1 2
    • Replies: 29
    • Views: 949
    08-24-2009 11:32 AM Go to last post
  16. TA SP1 intake

    I got an offer for a SP1 intake. I´m considering to take that manifold. But I´m not sure about it. Will the SP1 clear my hood? I want to use the...

    Posted By Austrian455
    • Replies: 1
    • Views: 193
    06-16-2009 10:32 AM Go to last post
  17. Bought Super Competition Headers today

    Hey fellas, Today I visited a guy I know from meetings and dealing with parts .... I just wanted to buy a good PW motor. I ended up with 2...

    Posted By Austrian455
    • Replies: 6
    • Views: 384
    05-20-2009 06:13 AM Go to last post
  18. Carb troubles after some mods

    Hey guys As some of you might know, I did some mods to my car. Now I´ve got big troubles with tuning my carb. I started a thread on v8buick...

    Posted By Austrian455
    • Replies: 6
    • Views: 411
    04-25-2009 12:26 PM Go to last post
  19. removing exhaust manifolds with stuck bolts

    Hey guys, Today I removed the exhaust system of the Centurion. Now I know what took the power. I will post some pics in the next days. I never...

    Posted By Austrian455
    • Replies: 5
    • Views: 399
    03-24-2009 05:36 AM Go to last post
  20. Question 1972 Centurion 455 engine.

    I have got a 1972 Centurion with a real messed up 455 engine and was wondering if someone with same engine could post close up pics of each engine...

    Posted By Centurion Mini-Bus
    • Replies: 0
    • Views: 294
    03-16-2009 03:24 PM Go to last post

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