wheres the boost?
Does anyone have any clue why I can't get boost past 5lbs in 1st 10 to 11lbs in 2nd 3rd 4th @4500rpms. I have ported my w/g ported turbos d/p hi flow cat cat-back and put an ecu thatgoes to 14.7. It seems to be my 1st turbo. shadow-93 r1:o
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any suggestions please:(
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I'm stabbing in the dark, but maybe your boost is not building fast enough in first. It has more time to build in the higher gears.
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just for future refence you need to do a better job with your initial write-up because there is not enough information in your post to help fix it.
Ok what happens in each gear after 4500 rpm? |
Check Vaccuum hoses. Like the ones that lead to the black pressure tank, from the green check valve underneath the pressure tank.
Also if there is a hiss noise check the CRV valve if is has poped off. And venting boost. Best wishes jack. |
wait, i thought that u arent gonna reach max boost in 1st gear ever. Isnt first gear too quick to reach max boost?? Anyone know??
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Yes Nike178, max boost is acheived in 3rd and 4th gears but you
should still get withen a pd. in first and 2nd gears. jc |
thanks guys i'm going to look harder for any hoses off, any other suggestions? my friend has a third gen and has 10lbs with only a d/p upgrade......thanks shadow
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I didn't have any luck yet, but there is one thing that does not look right underneath the black pressure tank thare are a lot of tubes that has hoses there is one that is open that goes straight up and the other end goes horizonal should a hose be missing from this. Are they supposed to have a hose connecting the two ends? Sorry if this is confusing. I appriciate any input. Shadow
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Do you have a boost control? Is the orifice still in between your wastegate and turbo?
***If you want power on 1st and 2nd gear, just go parrallel (both turbos on at all times)--it does make a HUGE difference. see ya, car 53:cool: |
Hey Shadow!
I think the hose you described are the two open spots for Automatics only... Check the Vaccum diagram in the manual... you'll see Could someone help Shadow with the site that has the Colored Vaccuum lines... best wishes keep looking!!! jc |
Car 53 could you describe more on how this is done, Jack C I would love to find out about this diagram site.. Thanks everyone for all your imputs, Shadow
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Shadow,
Use the Boost Test to see if you are getting the correct boost: http://www.scuderiaciriani.com/rx7/boost_test.html |
I found the BOOST
[SIZE=3]YEA! I found that the door in one of the w/g was a little loose so I guess it was leaking a little. I took it to an AWSOME rotory mechanic in N.J. the shop is AP+P his name is JIM the number is 856-939-3576.5 ***** mechanic. The boost went from 3 to 5 lbs in 1st to 10 to 11 lbs now reaches up to 14 on the other gears. Thanks for every reply. Shadow
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