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  1. M

    help with wiring new delco distributor to oem cobra loom and esa

    hi just binned my old 4.3 and now fitting a 5.7 crate motor i have a few problems with wirring 1 new distributor is a delco est and coil missing 1 plug out of dizzy 2 how do i make esa work ive read you can wire micro switch to the plug ime missing like a mercruiser set up and remoove the omc...
  2. M

    engine upgrade

    hi guys need to pick youre brains i have a omc cobra 4,3 v6 in a renken sea master and ive had enough of messing with scrap ive fitted 3 engines in 3 years now its the end for this engine as i think there rubbish can i fit a 5.7v8 in it and is there maney differences ile buy engine new no more...
  3. M

    johnson 60hp vro engine mounts

    can you help i have a 1999 johnson 60hp vro the top engine mount has alot of play and i cant see how to change it hope you can help cheers mat
  4. M

    power steering hozes

    hi i have a 1991 renken seamaster 21ft 4.3 omc cobra and i need power steering pipe on pressure side cant find 1 in uk at all so despirate times can you still get them as i repaired mine last year and now its leaking where repair was done cheers mat:confused::confused::confused:
  5. M

    help needed to fit a vortech to a non vortech boat

    hi guys i have a chevy 262 fitted in my 21 ft renken but ive removed engine and its nackered i have a chance of a 1998 chevy blazer 252 vortech engine will everything swap over from original engine what needs changing? will it fit can i use the mpi wiring loom off the blazer hope you can help...
  6. M

    low oil pressure

    hi i have just rebuilt my 4.3 262 v6 chevy engine ive ran it for about 30 hrs no problem then all of a sudden oil pressure has dropped to 5 psi at idle and at 1500 rpms and above its 40 psi it isnt knocking theres no white metal in oil please help all i can think is the oil pump relief valve has...
  7. M

    home made stainless steel risers

    hi ime in the middle of making a set of risers for my 4.3 v6 chevy i got a couple of questions to ask i have coppied the cast manifold angles. 1 does it matter if i blank water ways off in exhaust manif old and take water from other side and loop it in to my riser as low as possible 2 the sise...
  8. M

    setting up esa

    can eny one tell me how to set esa switch up is it ment to be in the groove or on top of it whilst in gear cheers mat
  9. M

    omc cobra shift heights

    hi ime in the middle off rebuilding my engine and leg ive just refitted leg to gether but can sum one give me a measure ment for the selector rod when its right up from undr bearing carrier machined edge to center of the y hope u can save me sum time cheers mat
  10. M

    just found my gimbal bearing seized

    hi need sum advice just replaced my gimbal bearing on my 4,3 v6 the new bearing isnt greasable sealed unit what to do with grease tube do i need it can i throw it away do i need to blank hole off wer it goes in to bearing housing hope u can help cheers mat
  11. M

    help i have 2 questons i have rebuilt my omc cobra 4.3 v6

    i feel a bit stuipid asking this recently i have rebuilt my v6 chevy and its just about done but i cant find out witch way the fly wheel goes on i cant see ant match marks as its been powder coated and a new ring gear fitted please help. can you tell me iff this is my esa module as the ones...
  12. M

    what to use to clean cooling system on a v 6 used in salt water

    hi ive been told to use caustic soda to clean my cylinder block as it is badly corroded ive stripped engine to do this and block is bare is it a wise thing or is there anything else i can use as ime going to put block in a tank and leave it soak cheers mat:cool:
  13. M

    hi can you help me need info on risers

    hi ive got over heating trouble on my omc 4.3 v6 and the risers are badly coroded ive spotted a hole in the exhaust side under neath a allan key blank is it ment to be there as its perfectly round iff so whats it for as its in both risers hope you can help cheers mat:confused:
  14. M

    thinking about fitting a 2.5 vm deisel to a 21ft renken

    hi after sum nolage has the 2.5 vm ever been maranised and is there kits available.does any won no the hp and torqe specs for 1 and all so a 1993 omc cobra 4.3l with a 2bbl carb. will my leg take the torque off a deisel cheers mat
  15. M

    omc 4.3 difficult to disinguage gears

    hi can you help i have a 1993 omc cobra 4.3 v6 ive fitted the update cable to leg-red cable. my boat has only 1 switch fitted to it where cables meet on engine is this a shift assist switch iff not can i fit it to my boat as ive tried every thing it goes in to gear fine sumtimes grinds abit but...
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