HARDWARE

I'm doing a conversion on a 80 series landcruiser atm. The vortec chev is a 350 but a brand spanker. The owner has supplied me with a gas research twin throttle body and dual B2 converters.
I've never had any dealings with this setup so I thought I'd throw it out to the forum.

Anybody seen or have this gas conversion?

if so.....pics?
What sort of lpg delivery lines, standard or larger?

One gas switch or two?

Any thing else I ned to know!??

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11.13 @ 121 mph

SomerandomHQ

i have it on my 308:

WB5LTR

if i were you hardware id sell the GRA setup you can get big dollars for them and get and IMPCO 425 or 2 if your so inclined, they work heaps better and are cheaper. get in contact with 400HPONLPG hes the guru and will tell you to piss the GRA off.

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400HPONLPG

Not exactly WB5LTR , why look a gift horse in the mouth ? If they came free with the engine and everything is in good nick , then why not use them . !(just dont expect any top end performance)
If the condition is doubtful , or you want better than 275 HP then you might consider flogging them off and getting a Impco/OHG or Technocarb setup .The gra carb setup is marginal on a good 308 , but is simply choking a 350.Then there is the issue of adequate supply to the convertors , see how SomerandomHQ's setup runs through 1 lockoff and then in series to the 1st B2 and then the second B2 , this wont work well with a vortec350 , he needs seperate feeds ie 2 TANKS or the covertors will run out of gas to convert under WOT.
Also the two GRa's will have to be 440/480 or 480/520 to feed a 350 to 6000rpm
Heres my Twin GRA setup , that struggles to make as much HP as a 1 Single 425 Impco on a 355 stroker !!!