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Cadillac Forum: 5.0 and 5.7

This forum is to discuss the newer, small block Cadillac engines.

  1. Need a mechanics advise!

    93 Fleetwood-TBI 350. Right now I have the stock exhaust manifolds on the car but I am about to replace them with some stainless headers. My car has the electric air (smog) pump and there are 4...

    Started by fltwd93‎, 10-10-05 09:49 PM
    • Replies: 7
    • Views: 1,986
    10-11-05, 01:24 PM Go to last post
  2. My Caddy Pooped Out on Me

    Today I was leaving work, and my 89 Brougham started and ran fine for a few miles then all of a sudden the engine just cuts out. I managed to roll into the shoulder but no matter what I do it won't...

    Started by DopeStar 156‎, 09-10-05 06:14 PM
    • Replies: 12
    • Views: 2,756
    10-11-05, 09:41 AM Go to last post
  3. Question Hard Start

    86 Brougham 307 with a carburetor. Automatic choke plate is closed (cold) and opens as engine warms! Hard start and barely runs until warm. Not enough gas. IMHO How do I check/ replace the...

    Started by ChiTDI‎, 09-30-05 08:13 AM
    • Replies: 7
    • Views: 2,158
    10-11-05, 09:31 AM Go to last post
  4. vacuum jungle

    My new 87 brougham (307) , had some engine work done before I bought it. It runs pretty good. However there were all kinds of vacuum and emissions hoses left undone, and wiring. I spent the day...

    Started by johndfw‎, 10-01-05 05:52 PM
    • Replies: 11
    • Views: 2,323
    10-11-05, 09:18 AM Go to last post
  5. Question Cat. Converter Removal

    I will be getting a 87 Brougham from my father soon and was wondering if the cat. converter could be removed when I go to put a new exhaust on it or will it screw up the emission equipment on the...

    Started by 87cadman‎, 12-01-04 10:11 PM
    • Replies: 11
    • Views: 1,802
    10-11-05, 09:10 AM Go to last post
  6. Truly stumped

    This pinging is driving me crazy. I have replaced my knock sensor and the EST module. I had Bumper to Bumper scan and check each of the sensors. Each sensor is working properly, right where it should...

    Started by 90Brougham350‎, 10-09-05 03:02 PM
    • Replies: 3
    • Views: 1,885
    10-10-05, 03:05 PM Go to last post
  7. Ugh! More Idle Trouble!

    Ok. New O2 sensor, remaned carb, Idle is set at 600 RPM's. I'm still getting a CE light with a "Rich Code." The car still idles too high and if you start it warm the idle is too low and it stalls...

    Started by DopeStar 156‎, 09-30-05 09:57 PM
    • Replies: 6
    • Views: 2,053
    10-09-05, 12:43 PM Go to last post
  8. 5.7 AIR pump (where is it?)

    I cannot locate this pump anywhere along my serpintene belt, i spent 10 min. looking and it doesnt even say anything about it in the service guide i bought at autozone can i get some help please!!!!...

    Started by fleetwoodpimpin‎, 10-01-05 10:51 AM
    • Replies: 2
    • Views: 1,098
    10-02-05, 02:30 PM Go to last post
  9. More Pinging

    Well, NODIH was a great help in fixing my initial problem of knock. I replaced the knock sensor, and noticed an immediate gain in power. This however, confuses me, because I am still getting knock....

    Started by 90Brougham350‎, 09-24-05 10:32 PM
    • Replies: 2
    • Views: 1,837
    09-27-05, 05:20 PM Go to last post
  10. UOA on 307 V8

    Guys, Attached is a UOA on an 86 Brougham @ 150000 miles. Car runs great, but that glycol issue got me thinking. I added the "tabs" to the coolant and all seems well. Is there a test to see if the...

    Started by ChiTDI‎, 09-26-05 12:13 PM
    • Replies: 3
    • Views: 2,068
    09-27-05, 11:00 AM Go to last post
  11. Dex-Cool or green coolant in a 1993 Fleetwood?

    Does it matter what you use? There is green in the car I just bought. Which is a 93 Fleetwood. I change all the fluids whenever I buy a car. Then I know it was done, and when. Should I just...

    Started by Gio1978‎, 09-26-05 09:14 PM
    • Replies: 3
    • Views: 2,277
    09-27-05, 12:56 AM Go to last post
  12. New Carb Set Too High?

    I just had a remanufactured Carb installed on my Caddy today and when I drove it the car felt like it was set too high. Now There is a significant difference in the way it ran before, and the way it...

    Started by DopeStar 156‎, 09-26-05 10:48 PM
    • Replies: 2
    • Views: 1,632
    09-27-05, 12:39 AM Go to last post
  13. 90' fleetwood 5.7 350 TBI

    whats up everyone, this is my first post. I was wondering if anyone on this site has this motor, or is knowladgable about it could tell me what i could do to tweak or modify this motor. Is there only...

    Started by fleetwoodpimpin‎, 09-17-05 02:12 PM
    • Replies: 3
    • Views: 2,156
    09-24-05, 10:36 PM Go to last post
  14. '88 Brougham Needs Carb?

    I have an '88 Brougham with the 307 Vin Y. My check engine light and the codes that come up indicate problems with: 1) MAP sensor 2) TPS Sensor 3) Metering Sensor. The car has awful fuel economy and...

    Started by torontofleetwood‎, 09-22-05 03:28 PM
    • Replies: 3
    • Views: 2,357
    09-22-05, 11:34 PM Go to last post
  15. 5.0/5.7 confusion

    I guess I was all keen to get a 1991-1992 5.7 because I didn't like the 5.0. But, the reason I didn't like the 5.0 is that I had a 1987 with a 5.0. I just found out the 5.0 in my 87 was rated at...

    Started by caddieboy‎, 08-30-05 12:37 AM
    2 Pages
    1 2
    • Replies: 22
    • Views: 20,009
    09-22-05, 01:54 PM Go to last post
  16. knock

    Hey Folks My 87 307 has a knock at start up. I havent noticed it , however a mechanic friend of mine says he didnt like the sound of it. Does the 307 make this kind of noise? It seems...

    Started by johndfw‎, 09-22-05 10:48 AM
    • Replies: 2
    • Views: 1,650
    09-22-05, 01:32 PM Go to last post
  17. The Oldsmobile 307 VIN "9"

    Has anyone tried putting a 307-9 in a Brougham which originally had a 307-Y engine? How did it run? Did everything switch-over? From what I understand, mostly hearses and limos got the 307-9. I've...

    Started by Broughamfanatic‎, 09-21-05 10:46 AM
    • Replies: 2
    • Views: 4,060
    09-22-05, 10:03 AM Go to last post
  18. 87 Brougham misses on hills and over 50mph

    I replaced the spark plug wires, distributor cap, and rotor myself on the car. I even set the timing to 20 degrees like the sticker says (with the ALDL connector grounded to set the base timing). I...

    Started by Broughamfanatic‎, 09-16-05 04:59 PM
    • Replies: 7
    • Views: 1,967
    09-21-05, 06:23 AM Go to last post
  19. Opti Spark Parts

    I know that when the opti spark system was introfuced by GM, you could not buy any parts for the distributors. Since then, they have released a service kit which includes a cap, rotor and barrier. ...

    Started by guidematic‎, 09-08-05 04:57 PM
    • Replies: 2
    • Views: 2,515
    09-20-05, 11:30 AM Go to last post
  20. Water Pump?

    So, when antifreeze flows out from where the lower radiator hose connects to the bottom of the engine that means your water pump is shot correct?

    Started by DopeStar 156‎, 09-18-05 12:39 AM
    • Replies: 10
    • Views: 2,058
    09-19-05, 08:35 PM Go to last post
  21. 95 fleetwood Intake mods

    Any of you wonderful people done anything to improve the intake over the stock air box. I saw I Fleetwood that had a Ram Air kit that pulled air over the top of the radiator. I was just looking for...

    Started by $gmillionaire‎, 09-09-05 05:48 PM
    • Replies: 3
    • Views: 2,247
    09-18-05, 08:24 PM Go to last post
  22. Float Stuck

    Apparently the reason my car stalled was because my float stuck. I was told that the guys at the shop unstuck the float and the car is starting and running fine. They're telling me they want to...

    Started by DopeStar 156‎, 09-14-05 06:51 PM
    • Replies: 11
    • Views: 2,255
    09-15-05, 08:15 PM Go to last post
  23. Cruise Servo Camapaign

    I took my '86 Fleetwood in for an emissions test today, which it failed. CO, HC and NOx were all high. This is a bummer since this car always passed without any problems. Anyway, I removed the...

    Started by guidematic‎, 09-13-05 03:11 PM
    • Replies: 0
    • Views: 1,789
    09-13-05, 03:11 PM Go to last post
  24. cam for my 88

    what do you guys think of a cam from a 1987 cutlass 442, which would be the 307 9. is this a good choice for a mild upgrade? i can get one from my friend for $20.

    Started by pimpin88‎, 09-09-05 12:35 PM
    • Replies: 1
    • Views: 1,595
    09-09-05, 05:09 PM Go to last post
  25. 91 Broughm Idles rough and ocasionaly dies

    I have a 91 broughm with the 305 (5.0) chevy. It has been setting for 2 years(being occasionaly driven). I started it up today and it ran great. I drove it around the place for about 15 miles. After...

    Started by cochran63‎, 08-23-05 10:41 PM
    • Replies: 7
    • Views: 2,799
    09-06-05, 12:35 AM Go to last post

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