One of our new members (floyd) isn't familiar with email and forums so I offered to start a thread on his behalf. I told him that the members here are much more knowledgeable than me and would be able to give him better advice. The following is transcribed from emails with him:
floyd wrote:Hi , my names Floyd , I’m new to your site/ business , I am terrible at computing and poor at posting on forums etc., so decided to try this even though I dislike email and don’t use it much , but I do love your propane forum. I have had many lpg vehicles over the years ( 40 yrs.)and I just had my 95 chev S10 pickup converted to lpg , ( should have done it myself) , not happy with the outcome, the installer used a 425 impco on it and it nearly totally drains my battery before starting , and that’s during the summer, it won’t start this winter for sure. Question , would a 225m be a better choice for cold weather starting and better fuel economy ? The s10 has the tbi injection ,is there an adaptor for this setup , would reducing the gap on the spark plugs help, would you have the parts available, thanks
The S10 has the 4.3 v/6 ,impco E converter ,vff lockoff , the converter is new and the lockoff rebuilt , the engine is in very good condition ,high oil pressure ran very well on gas.It appears that the 425 mixer air valve is not lifting while the engine is being cranked , seems to me that this engine is not drawing enough air for the big 425 mixer to open , of course once it starts to open fuel will flow and it does start , but it takes about 30 sec. for that to happen. thanks for going to the trouble of posting this Frank , looking forward to responses , maybe I’ll be able to figure out how to work this forum thing. thx, floyd
I asked floyd if he the conversion used any sort of electronics and if he was having a CEL and he replied
floyd wrote:hi frank , the s10 is on lpg only and only oem electronics. check engine light is on. the installer did install a start valve from the vaporizer and controlled 12v from existing gas fuel pump relay, I did check for voltage while trying to start engine and it was at about 3volts , quite ineffective , I’m not a believer in primers and neither is Impco , they state that a properly set up system wouldn’t require priming . I’m old school and hate electronics in any shape or form , I’ll take simplicity any day but I do need to get the s10 running ,so , whatever it takes. I do think the 225 mixer will work well as it is rated at 235 hp , the s10 is rated at 165hp , the 225 should provide better cold weather starting and possibly better fuel economy , I am certainly open to any suggestions though.