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I am planning on rebuilding my 3.4 in the next couple of weeks, with a cam,1.6 & new valvetrane, bored, and P&P, but with a Holley fuel pressure regulator, do i need new fuel injectors. Someone said to go with 19/hr, but won't that be too much. also, does venom make 17/hr ones, i didn't see them on summit's website. would upgrading to 17/hr Venom ones benefit me more, or will 19/hr from a 3.8 be more beneficial. thanks
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send your stockers to CRUZINPERFORMANCE for cleaning/testing1978 Formula 461 in progress of being built :rock:
2013 Ram 1500 Big Horn
former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
94 comero 3.4 -
The 3.4 has 17 lb/hr and the 3800 has 22 lb/hr.\'85 Z28, T-tops new LG4 and TH700<br />\'85 3.4L 5-speed<br />mods: <a href=\"http://www.cardomain.com/id/oil_pan_4\" target=\"_blank\">http://www.cardomain.com/id/oil_pan_4</a> the nitrous exhaust O2 safety, pg 3. <br />Areo space materal engineer wantabeComment
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my bad, so should i upgrade to 19'hr, but i have heard people saying that they are running rich with them. thanks for the link, i think that i will send them there, for a good cleaning!Comment
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Could i clean my FI myself, or should i send them out, or should i just buy new ones because ours spray bad? Should i up to 19's or will that be overkillComment
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am running 19's in my 3.4 only .3 richer on my rteal time data system. keep in mind all the mods i.e. p&p, cam, & more displacement will lean the mixture so larger injecters might be a good thought. whats the part # on the regulator and is it adjustable. my speed shop guru says nobody makes 1 for the 3.4Comment
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What set-up are you running? Do you have a cam, or P&P heads? If i get my 17's cleaned and redone, couldn't i just boost up the fuel pessure to compensate. here's a link to a couple of Fuel pressure regulators, i will probably be getting the holley!Comment
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The fuel pressure regulators made for the V8 TPI engines also fit the 60* fuel rails.Originally posted by zbigdawg:
am running 19's in my 3.4 only .3 richer on my rteal time data system. keep in mind all the mods i.e. p&p, cam, & more displacement will lean the mixture so larger injecters might be a good thought. whats the part # on the regulator and is it adjustable. my speed shop guru says nobody makes 1 for the 3.4Comment
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What exactly is this rteal time data system?Originally posted by zbigdawg:
am running 19's in my 3.4 only .3 richer on my rteal time data system. keep in mind all the mods i.e. p&p, cam, & more displacement will lean the mixture so larger injecters might be a good thought. whats the part # on the regulator and is it adjustable. my speed shop guru says nobody makes 1 for the 3.4Ben<br /><br />1995 White/Black 3.4L<br />As far away from stock as possible<br /><a href=\"http://www.cardomain.com/member_pages/view_page.pl?page_id=288292\" target=\"_blank\">My Site!!!</a><br /><a href=\"http://www.redlinevsix.com\" target=\"_blank\">RedLineV6</a><br />Rebuild and 3.4 T70 Turbo is complete<br />Details to come....Comment
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the rteal time data system was a type o. i have a portable data moniter function on my snap on diagnostic reader. i can moniter most all the engine peramiters as i run down the road and log and review like they do in race cars. but its only short term (10-15 min)to catch whats going on when a fault happens. and its only good for very late obd1 and all odb2 systems. as far as my set up i'm yanking eng and trans for p&p, cam, head shave, new clutch, and paint (my wife backed my pick-up onto my hood). might get a chip too. going to see what stock programing will put up with.Comment
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I wouldn't shave the heads, shave the block. The heads on the 60* don't have a lot of reinforcement.Comment
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i'm extremely interested in everything you just said. i'm going to be adding a cam, 1.6 rockers, and p&ping the heads, so will 19 lb injectors make it nice and stoich for me? i live in cali and cant be anywhere near .3 richer. :mad:Originally posted by zbigdawg:
am running 19's in my 3.4 only .3 richer on my rteal time data system. keep in mind all the mods i.e. p&p, cam, & more displacement will lean the mixture so larger injecters might be a good thought. whats the part # on the regulator and is it adjustable. my speed shop guru says nobody makes 1 for the 3.4<b>1995 Bright Red 3.4L</b> <br /><a href=\"http://www.cardomain.com/id/94camaroguy\" target=\"_blank\">Carmen\'s Page</a>Comment
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Yeah, i was going to have my stock 17's sent out and rebuild, but now i will run them once the cam is in, or just wait and see, then buy venom 19 hr. ones. i am afraid 19 hr injectors will cause me to run rich. can't i just boost the pressure with the regulator on the 17s and be ok. Viper, which do you haveComment
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i'm extremely interested in everything you just said. i'm going to be adding a cam, 1.6 rockers, and p&ping the heads, so will 19 lb injectors make it nice and stoich for me? i live in cali and cant be anywhere near .3 richer. :mad: </font>[/QUOTE]You better go conversative on the cam or you won't pass smogOriginally posted by NoRiceInside:
</font><blockquote>quote:</font><hr />Originally posted by zbigdawg:
am running 19's in my 3.4 only .3 richer on my rteal time data system. keep in mind all the mods i.e. p&p, cam, & more displacement will lean the mixture so larger injecters might be a good thought. whats the part # on the regulator and is it adjustable. my speed shop guru says nobody makes 1 for the 3.4<b><a href=\"http://members.cox.net/95batmobile/d86f.jpg\" target=\"_blank\">Sinister Six©</b></a><br /><a href=\"http://www.sounddomain.com/id/95batmobile\" target=\"_blank\">My \'95 Bird</a><br />I am not afraid of storms, for I am learning how to sail my ship.Comment
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