LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Injector Size

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Old 06-30-2009, 11:17 PM
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and for the record it was in Texas that it did that, not wyoming
Old 06-30-2009, 11:28 PM
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Originally Posted by Z28Camaro30Ann
plus a .030 bore...how is there "no way"??? considering it had 305 stock off the showroom floor??? your saying that everything I have done to thios car didnt add over 60 horses?? REALLY??!!

305 at the flywheel maybe so that equates to about 270ish rwhp. The mods you have arent really big HP adding mods. The heads dont add that much since the factory cam. B/c the cam will only let so much air in or out. You could have 205cc heads with a factory cam and only gain 10hp. The .030 overbore is good for about 5-7hp and 10lbs of tq. On a stock bottem end.
Old 06-30-2009, 11:42 PM
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Originally Posted by Z28Camaro30Ann
I'm not gonna lie, I am not completely educated in that area, however I know it was dyno'd before I bought it WITH the cam in it before it was bored .030 and it pushed 425 on the dyno...
That combo with the cam listed won't break 380rwhp even through a t56. Doesn't have the cam or the head, and the extra 5cc's of displacement from going 30 over are not going to give you a free 45 hp. Out of the box AFR 190s don't flow as well as LE2 ported stockers. The 210s come much closer to their advertised ratings then the 190s...which have tiny ports and leave a bit to be desired as cast.

Maaaayyybbbeee 425 on an engine dyno, around 370rwhp, but even that is pushing it IMO. The LSA on the zz409 is not optimal for NA power(why in the world make a 226/226 "performance" cam with 115LSA???) and usually a split with more exhaust duration will make more(and higher) peak hp and compensate for the much weaker exhaust port of most heads. Maybe if you were pumping 12psi into it and ported the AFRs then it would make nice numbers.

So back to the question - yes, SVO 30#s will be enough for your combo, and no you wont make 425rwhp with it and you are not making 365rwhp now.Those mods would make an easy 400 in an LSX though if you wanna go the easy route - they are much more forgiving of part selection .
Old 06-30-2009, 11:43 PM
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Originally Posted by Z28Camaro30Ann
I'm not gonna lie, I am not completely educated in that area, however I know it was dyno'd before I bought it WITH the cam in it before it was bored .030 and it pushed 425 on the dyno...

BS or a happy dyno. Dynos are pretty easily manipulated.

425rwhp heads/cam setups are NOT common been done but not with the parts you are using.

Hell most stroker builds don't hit that.
Old 06-30-2009, 11:47 PM
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My car had ported heads and 1.6 rockers on it when I bought it. After I did full boltons except an electric WP it put out 303rwhp through an auto, so a 6-speed might see 315rwhp. As far as the injectors I'm still running racetronix 32lb injectors on my setup although I have no idea what the duty cycle is at.
Old 06-30-2009, 11:52 PM
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Originally Posted by Z28Camaro30Ann
http://cgi.ebay.com/ebaymotors/ws/eB...m=150352744715

Are these good ones, or should I go with the actual Ford SVO ones?
Those are injectors out of 3800 Series S/C motors. They can be found for about $10 each on GP Forums. They are a good injector according to Fuel Injector Connection (vendor on here).

I have a set myself that I can't decide if I should use or just get some SVO 30's.

Last edited by Counted Out; 07-01-2009 at 01:14 AM.
Old 07-01-2009, 03:29 AM
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Z28Camaro30Ann, the truth hurts doesn't it?
It's better you learn now than state you have x amount of horsepower and then wonder why you are running y times.
Stick around on the board and you will learn A LOT!
Old 07-01-2009, 04:18 AM
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Your right...truth hurts...and my inexperience with cars makes me get that "wishful thinking" going and sometimes you need a good slap in the face to snap out of it.

Regardless, I LOVE my car and I am almost to the point where I am done modifying it. I'm not trying to get a 10 secong LT1...12's would be fine with me, she will primarily be a show car.

Nothing will take away my passion for this car, so I'll press on and life will continue, and what happens happens. If I get done with all this and only have 350 rwhp, so be it...I'll STILL turn heads lol
Old 07-01-2009, 05:02 AM
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From your sig. The car is gorgeous. And I have to say, it is really nice to have a sharp looking car with decent power is alot better of a feelings than a basic plain jane car with power. Just feels better when you drive it.
Old 07-01-2009, 10:27 AM
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Originally Posted by Z28Camaro30Ann
Your right...truth hurts...and my inexperience with cars makes me get that "wishful thinking" going and sometimes you need a good slap in the face to snap out of it.

Regardless, I LOVE my car and I am almost to the point where I am done modifying it. I'm not trying to get a 10 secong LT1...12's would be fine with me, she will primarily be a show car.

Nothing will take away my passion for this car, so I'll press on and life will continue, and what happens happens. If I get done with all this and only have 350 rwhp, so be it...I'll STILL turn heads lol
Great way to approach it . If it is mostly a street car you don't need crazy power. Sometimes it is better to have a slower car that looks nice and is more enjoyable to drive then a very fast car with drivability problems, cosmetic issues, and is generally unruley on the street .

350hp to the rear wheels is nothing to be ashamed about anyway - a lot of brand new cars still don't even make that, and these cars are over 10 years old . Mustangs don't even make near that at the flywheel .
Old 07-07-2009, 07:37 PM
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My 95 z is putting out 358 RWHP with bolt ons plus an LT4 Hot cam kit and home modded heads. The Tuner Said get larger injectors, Cleaned up MAF screen, 6400 MSD chip. and LT4 knock sensor...with these I hope to approach 400 at the rear wheels
Old 07-07-2009, 07:42 PM
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Originally Posted by maddog05
My 95 z is putting out 358 RWHP with bolt ons plus an LT4 Hot cam kit and home modded heads. The Tuner Said get larger injectors, Cleaned up MAF screen, 6400 MSD chip. and LT4 knock sensor...with these I hope to approach 400 at the rear wheels
I don't think so...
Get some SVO 30's for extra insurance, but they won't give you extra hp.
MSD 6400 chip is unnecessary.
Cleaning the MAF is as needed routine maintainence procedure.
LT4 knock sensor is a good idea to prevent excessive knock retard, your LT1 knock sensor should have be desensitized with your tune.

You are making good power as is. IMO you are close to the max output of your mods.

Last edited by ss.slp.ls1; 07-07-2009 at 08:04 PM.
Old 07-07-2009, 07:55 PM
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Originally Posted by maddog05
My 95 z is putting out 358 RWHP with bolt ons plus an LT4 Hot cam kit and home modded heads. The Tuner Said get larger injectors, Cleaned up MAF screen, 6400 MSD chip. and LT4 knock sensor...with these I hope to approach 400 at the rear wheels
Yeah, not happening bud. If I had 360 at the wheels with lightly ported heads and a hotcam, I would be EXTREMELY happy. You won't get 400 - sorry.



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