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  1. bollerwagon

    Piston Rings don´t fit, too little clearance, sits too tight

    Reassembling my Volvo Penta AQ271C after honing, the piston rings I purchased (Sealed Power Performance Piston Ring Sets E251K) don´t seem to fit. The piston is a GM piston p/n 10046106, I assume there are the original ones. With this piston the oil scraper rings were too wide, the piston ring...
  2. bollerwagon

    What timing gear set for Vortec engine 350 block 880 / 5.7GXi?

    I would like to replace the timing gear on the Volvo Penta 5.7GXi I´m building. I am using a old GS engine block, but the part numbers of the parts seem to be identical: 3856114 cam shaft sprocket 3852685 chain 3852690 crank shaft sprocket On the cam sprocket I took off the GS it says 12552129...
  3. bollerwagon

    Stainless Steel Exhaust System for AQ271C (alternative to Hi-Tek / marinetorq)

    I was absolutely in love with the australian exhaust system from Hi-Tek because of its look and the guarantee that never again the failing gasket will kill my engine. But I can´t manage to get one from them that fits, the HT-28 provided by them is too low, not matching with the Y-pipe from the...
  4. bollerwagon

    Anyone sells a closed cooling kit for a V8 petrol MPI? Preferably Volvo Penta

    I´m looking for (idealls) full set of closed cooling system for my 5.7 GXi, anyone has that laying around? I mean it´s better selling it than havint it blocking your garage...
  5. bollerwagon

    preserve an used electric fuel pump for storage?

    I have purchased among other used parts a electric fuel pump. What I always hear is that petrol fuel also goes bad and gums up the membranes in a fuel pump. So I'm wondering if I should pump fresh gas through my pump every once in a while to keep it "fresh". Is that reasonable? Do you guys do that?
  6. bollerwagon

    Wiring diagram for 5.7 GSi PEFS? Or AQ271C? Ideally both?

    I´ve dropped my rebuild plans for now and purchased a used TBI engine, knowing this will be another fine mess. One of the challenges is to map the old edgy plug from the AQ271C to the round one of the GSi (model 2000). Also there seem to be more loose plugs on the GSi then I have on the old carb...
  7. bollerwagon

    Smoke from valve cover / breather hose SBC 305

    this is my fresh water cooled interim-engine, a 5.0 volvo penta V8 sbc engine. While this didn´t happen with my old engine, there is a lot of smoke coming from the flame arrestor when in idle. Plugging off the breather hoses, you can see the smoke coming out. When I open the caps in the valve...
  8. bollerwagon

    Volvo Penta 855932 Prestolite 7801A advance springs

    I am looking for the advance springs for my old AQ271C distributor and struggle to find them. original Part numbers seem to be 856249 or 855912 but those are nowhere to be found. Assuming I am not the only one with this problem, did anyone find a suitable replacement?
  9. bollerwagon

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    Ahoy! I have managed to toast my Volvo Penta AQ271 within 4 months after purchasing it* and need some advice for a resonable replacement. Since I found frost cracks in the exhaust manifold and it was sea water cooled for 30 years, I would not like to reuse the block, so at least I need a long...
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