jeffp Posted May 30, 2007 Share Posted May 30, 2007 I was considering this part for a short time. The big thing is this. You will have to be flowing a fair amount of air to make the 80mm TB worth anything. So you can get the numbers, @ 600hp you will be consuming bout 1050 CFM into the engine. So if you look at that figure the 80mm part is good for flow restriction considerations. The thing that makes this part a little difficult is the amount of air it will flow with the throttle plate cracked open during cruise. You will find it somewhat a pain getting the gas pedal right to run at light loads. That is what I have seen with a 62mm TB and compared that to a 60mm TB I like the 60mm part better, as it is easier to drive the car. I guess it could be a little more efficient, but I don't run my car at WOT all of the time, so a little restriction is ok for me, just get a bigger turbo that is capable of getting into the 3.2 pressure ratio levels and you should be just fine. Quote Link to comment Share on other sites More sharing options...
Tony D Posted May 31, 2007 Share Posted May 31, 2007 Yes, the Bob Sharp Car did stay with the centrally-mounted T/B. That is a good photo of their setup. The Q45 T/B has a throttle cable actuation, but it is linkaged to the throttle shaft through a VERY non-linear cam action. The first....probably 25-30% of throttle travel will only crack the throttle. I will lay money the Q45 T/B will have better drivability characteristics than the 62mm unit JeffP currently has on his car. Quote Link to comment Share on other sites More sharing options...
MONZTER Posted December 12, 2007 Share Posted December 12, 2007 I think the best way to fight turbulance would be to have a completely tubular intake "header" after the TB. You could also make them equal length so you wouldn't have problems with unequal distribution... Like this, It scares me!!! Quote Link to comment Share on other sites More sharing options...
Administrators BRAAP Posted December 12, 2007 Administrators Share Posted December 12, 2007 Like this, It scares me!!! Quote Link to comment Share on other sites More sharing options...
BobbyZ Posted December 12, 2007 Share Posted December 12, 2007 That is a work of art. I have never seen an intake like that before. I like it. Quote Link to comment Share on other sites More sharing options...
HowlerMonkey Posted December 13, 2007 Share Posted December 13, 2007 Toyota corollas use what looks like an exhaust header for the intake. Quote Link to comment Share on other sites More sharing options...
datsun40146 Posted December 13, 2007 Share Posted December 13, 2007 That Bob Sharp photo on page was really REALLY interesting. If anyone has any more pictures of that set up from any and all angles please post them or PM me. Thanks Quote Link to comment Share on other sites More sharing options...
OlderThanMe Posted December 18, 2007 Share Posted December 18, 2007 How come all of my ideas have been built before??? Arg...lol That QUAD TURBO setup is sorta cool...How could we shoehorn that into a Z? What kind of engine is that? Quote Link to comment Share on other sites More sharing options...
G.I.jonas Posted December 18, 2007 Share Posted December 18, 2007 How could we shoehorn that into a Z? What kind of engine is that? __________________ Rofl!! yeah right,there is no need whatsoever for that in a car,Must be for one of those crazy white water power boat things-(mechanisms of death). Quote Link to comment Share on other sites More sharing options...
OlderThanMe Posted December 18, 2007 Share Posted December 18, 2007 Rofl!! yeah right,there is no need whatsoever for that in a car,Must be for one of those crazy white water power boat things-(mechanisms of death). Let's not descriminate... Just because it may be right for my ride doesn't mean you can shoot down the idea for my motor... J/K!! Quote Link to comment Share on other sites More sharing options...
HowlerMonkey Posted December 26, 2007 Share Posted December 26, 2007 I have yet to see an offshore racer work well with turbos for longer than a single race. Ask reggie fountain (fountain powerboats), he pioneered using turbos in research boat/engine combinations for mercury marine but all his race boats ended up using superchargers though that may have changed. I love turbos and every car I drive (except my terminator wagon) are turbocharged but there is an unbelievable amount of danger in using turbos since most every offshore racer has headers that have water jackets..........for good reason. These headers for a big block chevy go for about $2,600 to $3,000 each. When I was a service manager at an offshore type boat dealership selling fountains, I asked Reggie and he said safety is number 1 on anything that bears his name..........now that doesn't keep others from doing it but I'll bet current regulations in any offshore racing sanctioning body still say "no" to turbos. Imagine the expense in shrouding your entire exhaust system and the hot side of the turbocharger with water jacketing and you will see that losses start to crop up right away. Quote Link to comment Share on other sites More sharing options...
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