GMC motorhome Olds 455 multiport
GMC motorhome Olds 455 multiport
http://www.gmcmhphotos.com/photos/showg ... p?cat=4895
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- MegaSquirt Newbie
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Re: GMC motorhome Olds 455 multiport
Dave
Re: GMC motorhome Olds 455 multiport
Dave,Davie Sprocket wrote:Very nice work. I love the injector rails. What did you have to do to the gjet to make it work as a throttle body? That shaper is awesome.
Dave
Basically the q-jet needed a tps attached and all the unneeded vacuum holes plugged. I removed the choke plate, secondary flap, and the venturis. The stock q-jet will bolt right back on if I want to go back (NOT GONNA HAPPEN).
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Re: GMC motorhome Olds 455 multiport
Re: GMC motorhome Olds 455 multiport
Better by maybe 1/2 mpg. It runs WAY better.TPI 85 Blazer wrote:What did this do to the fuel economy?
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Re: GMC motorhome Olds 455 multiport
Re: GMC motorhome Olds 455 multiport
Yes it still sounds like a Q-Jetwoodwright wrote:Do you still get the "Q-jet sound" When you get on it?
Re: GMC motorhome Olds 455 multiport
Re: GMC motorhome Olds 455 multiport
i have an olds 455 Im squirting and i was wondering if i could get your maps as a good starting point thanks brad