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  • Users: Marco
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  1. Marco

    How clear is your coolant?

    Hi everybody, On the weekend I added the radiator flush and after driving it for about an hour I just flushed it, and guess what?!.... IT REALLY BROWN again... So I guess I'm going to invest in a few jugs of radiator flush and keep flushing it till it starts becoming clear. The engine in only...
  2. Marco

    How clear is your coolant?

    Thanks for your quick responses! I've indeed been draining the coolant through the plugs on the engine. I'm planning to add the pre-mixed 50/50 coolant so i should not have to work with water at al. But I was just wondering when I should add it. Yes it was quite hot chocolat looking at the...
  3. Marco

    How clear is your coolant?

    Hi everybody, I've been flushing my engine for a few weeks now (putting water in it, going to work and back, draining the water, 5x a week) and it now starts to come out quite clear. I was wondering when enough is enough and its time add coolant? Is your coolant as bright and clear as it was...
  4. Marco

    Holley base plate

    Hi Bob, Thank you for your response! Im running LPG and I actually forgot to mention im running an AFR meter and at idle its about 16-1, cruise speed 15-1 and WOT 15,5-1 so this is about perfect (The stoichiometric ratio for burning LPG is about 15.7) only the cruise ratio is a bit to rich...
  5. Marco

    Holley base plate

    I just ordered a 600cfm one, it'll take about two weeks to get here (send to the Netherlands). Hope it will help because im only getting about 8 mpg. If anybody is able to explain why it would or wouldn't have any effect please do. Gr marco
  6. Marco

    Tire size vs converter stall

    Aahh that's amazing! Thanks for explaining, I did not want to raise it do its good to hear that it will stay about the same! Gr Marco
  7. Marco

    Tire size vs converter stall

    Hi thanks for the fast response! But the custom converter shops also always ask for the tire size, rear end ratio and vehicle weight so im guessing changing tire size also influences it at least a little??
  8. Marco

    Tire size vs converter stall

    Hi everybody, I'm currently running 26inch tall tires and my stall rpm is about 2700 rpm if I were to replace the 26inch tires with 28inch ones would this increase/decrease or have no influence on my stall rpms. Rear end ratio is 3.55. Thanks in advance! Gr Marco
  9. Marco

    Holley base plate

    Hi everybody, I've got a question about a holley 4 barrel base plate underneath a impco 425 (LPG mixer) on a 400ci mild street car. I've been thinking about this for a while now, the impco 425 flows about 460cfm max, now the holley base plate underneath it is a 850cfm (1-3/4 throttle bore) the...
  10. Marco

    20 PSI oil pressure

    Aahh good to hear, Im all the wat from Maastricht hahaha. I have only added the oil pressure sensor a few weeks ago so i have no idea if it has always been this low. I added the high volume oil pump with the low pressure spring and I now have 40 PSI at idle and 60 PSI all the way up in the...
  11. Marco

    OIl filter

    Yeah im from the Netherlands so when I need to order some parts from rockauto I'm going to add some service parts.
  12. Marco

    20 PSI oil pressure

    Yeah, I shimmed the oil pump till I got about 40 psi cold idle. Ah thanks Wietse, a fellow dutchie I see! Bedankt voor de tip over de langere bouten, hier had ik helemaal niet over nagedacht!
  13. Marco

    OIl filter

    Hahaha no, I was able to find someone with next-day delivery so that was quite nice.
  14. Marco

    20 PSI oil pressure

    Hi everybody, Before swapping the oil pump I'm going to swap the oil filter for a big one and now the weather is starting to get warmer I'm replacing my 15w40 with 20w50 with zinc additive, if this does not solve it I'm going to install the high volume oil pump. I've got the 699 oil pan so...
  15. Marco

    OIl filter

    Hi everybody, Just installed the Wix 51515 and it indeed fits like a glove. Turned out the threads on the other oil filter (bosch something) were too far in and the oil pump did not reach them. Thanks for all the responses Gr, Marco
  16. Marco

    OIl filter

    Hi everybody, I just ordered the Wix 51515 ill let you know if it fits. Thanks in advance!
  17. Marco

    OIl filter

    Hi everybody, Just wanted to swap my oil filter but it turned out my oil pump has smaller threads than a normal filter (3/4-16) anybody knows what thread filter I need? The engine is a '73 400
  18. Marco

    20 PSI oil pressure

    Hi, everybody Thanks for the responses! I installed the high pressure spring kit and it did not do anything for me, the cold oil pressure is now about 40 but seems to drop when rpm increases.... Also when hot idle pressure is about 20 but does not move when rpm increases. I've got full...
  19. Marco

    20 PSI oil pressure

    Hi everybody, I shimmed the spring yesterday and it indeed raised the pressure (20psi idle, and 30 at about 1500 and up). Everything seemed al right with the spring (pink) not broken or anything. I just ordered a high pressure spring kit i'll be installing that when it arrives, I hope to get...
  20. Marco

    20 PSI oil pressure

    Hi everybody, Thanks for all the quick responses! Ah that's good to hear but just for my own peace of mind I would like to be around 30-40. I also tried it with an mechanical gauges but its still the same.... I can't really recall the clearance numbers, I'll ask te rebuilder. But when the...
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