Search results

  1. T

    Replaced TBSC stil won't shift right

    I replaced the transom bracket shift cable, the red updated type. I followed the instructions to the letter. I read pages and articles on the subject. All went well. All parts are good condition. Square surfaces easy movement by hand. I still sometimes have to cut the engine to come out of...
  2. T

    WOT top speed vs rpm redline

    Hello, i need an opinion on a stainless prop. What i have now is a solas 17" pitch 14.8 al 3 blade prop. I want to switch to a 4 blade stainless and heres what im thinking. I cant reach my redline of 5500rpm I have a 1988 chaparral 2300 with a cobra drive. I have a carberated 98 vortec truck...
  3. T

    Omc 800, is forward/reverse fully engaged?

    After installing a new transom bracket shift cable exactly as described, how does one know for sure the gears are fully engaged?
  4. T

    Why do I keep cooking ignition coils?

    I have an 88 omc cobra 5.7 ive fried 2 coils in less than 20 hours. This is what i know. I have a prestolite dizzy with a pertronix kit installed. I did the diode fix to correct est issue. Factory coil died before est fix. The accel died after. Both were 12v coils. I get 12v at coil while...
  5. T

    Vortec coolant bypass?? Any info

    I have a vortec long block replacing a one piece rear main 350. I think i may have an issue. Im using all my other parts sans old long block. The vortec has no coolant bypass and my old engine does. Ive searched this forum and only found confusing conflicting info. Ive read on sbc forums this is...
  6. T

    Riser drain ball valve?

    Im building another motor and while painting my risers i saw the pipe plug at the rear. They are volvo center type risers. I run them on my omc to get the correct angle on my thru hull. Anyway my question is have any of you used stainless ball valves on your risers to drain them? I have a...
  7. T

    Vorec engine swap/upgrade question

    I have a 1988 chaparral with an omc cobra drive. My 350 let go today and its toast. I have a 98 vortec to put in. I have a one piece rear main coupler already and a flywheel. I am basically using long block vortec donar. This is what i know i will need for the swap: Vortec intake manifold for...
  8. T

    Omc cobra transom shift cable angle?

    I have an 88 23' chaparral. Bought it without the engine long block. All the parts were with it. I assembled and reinstalled. Shifted like crap from the start. All ESA functions work. Traced it to a crappy transom shift cable. I thought.. What i need to know is what angle does the transom shift...
  9. T

    Best flowing exhaust riser for horsepower?

    I am going to build a 355 soon. I've read until im blue on this forum about making marine horsepower with small block chevorlets. I will build a 355 sbc with vortec heads, comp cams roller valvetrain and extreme marine cam,marine distributor and carb. The only problem i see with it all is the...
  10. T

    I hate to ask.. But i got to

    Ok here goes, i read sticky and tons of other prop threads. 1. 2300 (23') chaparral with 5.7, maybe 250 horse. Good ignition good running engine and its in time. 2.unknown weight 3. Omc cobra 800 outdrive 4.stainless Michigan 14"x19" pitch three blade prop. Good condition 5. With 2 people the...
  11. T

    1988 omc ignition is garbage! Help!

    Well i created a bomb with a great HEI distributor so i put the old prestolite back in. Well guess what it was retrofitted with a pertronix module. Yep est wasnt working. I did the diode fix to the letter and cranked it up.. Est worked fine. Well better in reverse but so what. The p.o.s...
  12. T

    Cobra hard to shift

    I just put my boat together and tested it yesterday. Its a omc cobra 1988 with 5.7 out of the lake it shifts ok. F-n-r once we rode for a bit it got very hard to shift. I tried triming it up and that helped a little. Any suggestions?
  13. T

    Adding a engine temp/oil warning buzzer

    I have a 1988 chaparral 5.7 and electric senders, wiring and gauges work fine. When im driving i spend almost as much time watching oil pressure and coolant temp gauges as i do watching where im going. Problem is when im wakebording i cant. I broke a 350 block almost in half due to excessive...
  14. T

    Repairing omc, check risers? Thru hull

    Im repairing a 1988 chaparral omc 5.7/cobra. The problem was siezed engine from water intrusion through exhaust valves. What is the best way to test or check the risers/manifold for water leaks into exhaust passage? Also are the rubber flappers on thru hull exhaust simply enough to keep water...
  15. T

    Omc coupler search. 2 piece rear main

    Ive found a few similar posts but not exactly what i need. I am about to buy an unusually well maintained chapparell 2300. 89 or 90 not sure. Its so clean its unbelievable. Less than 200 hrs. Anyway it has a bum engine. Rusted from its last outing. Water in through exhaust valves. So i know i...
  16. T

    How much is too much slack in 275

    I'm finding more and more things wrong with my 275 drive. You guys have helped me through a lot. I've replaced u joints, bellows, orings, water neck to fix some problems. I've traced my air intrusion/overheating problem to the water neck gasket and possibly the bottom o-ring sealing the yoke to...
  17. T

    Volvo 225 overheat. Suspect riser gasket?

    My 225 e 275 overhears after catastrophic failure last year. I have replaced all parts in cooling system. Water is getting to the engine without issue. The boat runs at normal operating temp at idle. Under higher rpm the water pressurisess the the raw water outlet hose, effectively shutting down...
  18. T

    Volvo 275 Power steering upgrade?

    I have an 86 bayliner Capri 19'. Aq225/275 non power trim, non power steering. I have decided to live with the no trim configuration. I would really like to upgrade to power steering though. Through searching I have found I have two options. A complete kit or finding old parts to retofit my...
  19. T

    275 parts replacement, advise please.

    ok i will start by saying i've been sort of pirating off other peoples posts and threads. I will attempt to include my whole project in one thread here, as my small simple hole in my bellows has sprouted into a monster of sorts. Ok I have found what many have found by being suspicious over a...
  20. T

    Volvo 275 mechanical lift issues

    I am having electical issues with my mechanical lift. This is what I have.. The unit works fine, will operate up and down by jumping the motor and reversing connection to reverse motor direction. The switch(dpdt) is working. I hear only clicking from the box. I think I have shorted relays. Can...
Top