Mattpioneer Posted December 13, 2008 Share Posted December 13, 2008 ok first off. i have a chevy 350 vortec. it came with tbi on it, is it possible to make a plate to convert that intake to a 2 barrel. or can i take a normal intake and drill the mount holes to match Link to comment Share on other sites More sharing options...
Eagle Posted December 13, 2008 Share Posted December 13, 2008 Wrong forum. Sorry. Link to comment Share on other sites More sharing options...
Mattpioneer Posted December 13, 2008 Author Share Posted December 13, 2008 sry thought yous guys might know somethin Link to comment Share on other sites More sharing options...
jtdesigns Posted December 14, 2008 Share Posted December 14, 2008 Why put a carb on for? Link to comment Share on other sites More sharing options...
Sir Sam Posted December 14, 2008 Share Posted December 14, 2008 convert it to MPI Link to comment Share on other sites More sharing options...
Sir Sam Posted December 14, 2008 Share Posted December 14, 2008 convert it to MPI Link to comment Share on other sites More sharing options...
jtdesigns Posted December 14, 2008 Share Posted December 14, 2008 or TPI!! :brows: :brows: Link to comment Share on other sites More sharing options...
jtdesigns Posted December 14, 2008 Share Posted December 14, 2008 or TPI!! :brows: :brows: Link to comment Share on other sites More sharing options...
mvusse Posted December 14, 2008 Share Posted December 14, 2008 ok first off. i have a chevy 350 vortec. it came with tbi on it, is it possible to make a plate to convert that intake to a 2 barrel. or can i take a normal intake and drill the mount holes to match If it has TBI it is not a Vortec. The Vortec are 1996 and newer and all have sequential multi port injection. The older (up to 95) 350s (5.7l) can take either TBI or a carburator, but you might have to by an intake manifold, or at least an adapter plate from Summit Racing to go from one to the other. Then again, you might not as I have no personal experience with the conversion. I do have personal experience with the TBI 350, as my Suburban has one. On a side note, I might be trading my 94 Suburban for a 95 ZJ. Was really looking to sell, buy a cheap XJ and have cash left, but this might be a better deal as it's difficult to sell a full size SUV right now. Link to comment Share on other sites More sharing options...
mvusse Posted December 14, 2008 Share Posted December 14, 2008 ok first off. i have a chevy 350 vortec. it came with tbi on it, is it possible to make a plate to convert that intake to a 2 barrel. or can i take a normal intake and drill the mount holes to match If it has TBI it is not a Vortec. The Vortec are 1996 and newer and all have sequential multi port injection. The older (up to 95) 350s (5.7l) can take either TBI or a carburator, but you might have to by an intake manifold, or at least an adapter plate from Summit Racing to go from one to the other. Then again, you might not as I have no personal experience with the conversion. I do have personal experience with the TBI 350, as my Suburban has one. On a side note, I might be trading my 94 Suburban for a 95 ZJ. Was really looking to sell, buy a cheap XJ and have cash left, but this might be a better deal as it's difficult to sell a full size SUV right now. Link to comment Share on other sites More sharing options...
Eagle Posted December 14, 2008 Share Posted December 14, 2008 It's quite possible to do what you want, but I wouldn't waste the effort on a 2-bbl. They're slow and they're gas hogs. You'll get better fuel economy and, ultimately, better performance with a small-ish 4-bbl. Don't get a Quadrajet or anything that has primaries as big as the secondaries. You want something like a carter AFB (or the new Edelbrock clones thereof) with small primaries for cruise economy and larger secondaries for when you hammer the peddle. Link to comment Share on other sites More sharing options...
Eagle Posted December 14, 2008 Share Posted December 14, 2008 It's quite possible to do what you want, but I wouldn't waste the effort on a 2-bbl. They're slow and they're gas hogs. You'll get better fuel economy and, ultimately, better performance with a small-ish 4-bbl. Don't get a Quadrajet or anything that has primaries as big as the secondaries. You want something like a carter AFB (or the new Edelbrock clones thereof) with small primaries for cruise economy and larger secondaries for when you hammer the peddle. Link to comment Share on other sites More sharing options...
mvusse Posted December 14, 2008 Share Posted December 14, 2008 My 84 Olds 98 had a 307 with a Quadrajet, and the primaries were not the same as the secondaries. The primaries were quite a bit smaller, actually, which allowed my V8 powered 4000 pound car to cruise down the highway getting 25mpg. In my opinion it is one of the best, if not the best, 4 barrel carburators out there, offering good fuel economy when cruising while offering the capability of delivering 750cfm airflow under WOT on a large enough engine to draw that much. On a regular 350, as on my 307, the secondaries will never open 100%. It is a very good choice for a 350, but what's wrong with the TBI? It is mechanically a much simpler, more reliable design. Link to comment Share on other sites More sharing options...
mvusse Posted December 14, 2008 Share Posted December 14, 2008 My 84 Olds 98 had a 307 with a Quadrajet, and the primaries were not the same as the secondaries. The primaries were quite a bit smaller, actually, which allowed my V8 powered 4000 pound car to cruise down the highway getting 25mpg. In my opinion it is one of the best, if not the best, 4 barrel carburators out there, offering good fuel economy when cruising while offering the capability of delivering 750cfm airflow under WOT on a large enough engine to draw that much. On a regular 350, as on my 307, the secondaries will never open 100%. It is a very good choice for a 350, but what's wrong with the TBI? It is mechanically a much simpler, more reliable design. Link to comment Share on other sites More sharing options...
Eagle Posted December 14, 2008 Share Posted December 14, 2008 I must have been thinking of a different carb, then. What 4-bbl is (was) it that had all four holes basically the same size? Maybe the Holley double-pumper? Link to comment Share on other sites More sharing options...
Eagle Posted December 14, 2008 Share Posted December 14, 2008 I must have been thinking of a different carb, then. What 4-bbl is (was) it that had all four holes basically the same size? Maybe the Holley double-pumper? Link to comment Share on other sites More sharing options...
Pete M Posted December 14, 2008 Share Posted December 14, 2008 sry thought yous guys might know somethin They might. But non-MJ tech goes in the Pub. That's the only reason it was moved. :thumbsup: Link to comment Share on other sites More sharing options...
Pete M Posted December 14, 2008 Share Posted December 14, 2008 sry thought yous guys might know somethin They might. But non-MJ tech goes in the Pub. That's the only reason it was moved. :thumbsup: Link to comment Share on other sites More sharing options...
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