5.3l questions
04-16-2011, 06:22 AM
#41
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I have seen a bone stock high mileage 5.3 with a small 220's duration cam and a spot on tune make 377 whp. 325 should be a cake walk and dont see why a ls6 cam wouldnt get you there.
04-16-2011, 11:32 AM
#45
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04-16-2011, 11:39 AM
#46
I don't think it's retarded at all. A well designed engine thats more reliable, gets better fuel mileage, cheaper to repair & maintain, and has potential for way more power, into a VERY well designed, safe, luxurious chassis. I see no downsides.
04-16-2011, 11:57 AM
#47
^I actually agree with swapping an LS int a Volvo whole heartedly. Call it the "Daddy Wagon" lol. Have you looked around any cams MTI has to offer? They make a great stealth cams that not only make power they're very docile and easy to tune from what I've seen/heard.
04-16-2011, 01:27 PM
#49
My car started life as a v6 car and we dropped a bone stock 5.3 with headers in a few years ago, made 271hp/306tq to the tires, and ran a best of 13.862 with a 2400 stall. The following year threw a ls6 intake on and a TR224 cam in it. Made 320hp/331tq, ran a 12.901 with a 3600 stall. Both years on street tires. Rings ended up being toast twards the end of last year, was consuming more than a qt of oil every 1000mi.
Just dropped a H/C/I lq9 in and got it tuned earlier this month, hasnt been on the rollers or to the track yet.
Just dropped a H/C/I lq9 in and got it tuned earlier this month, hasnt been on the rollers or to the track yet.
04-16-2011, 01:41 PM
#50
295 bhp, yes. No idea what that translates into at the wheels, because as I stated before I've yet to find a stock baseline dyno, and unfortunately I won't be able to get one either. But I'd guess somewhere in the ~240-250 rwhp. So, yes, I do question being able to gain ~75 hp with just a cam exhaust and tune. And no I'm not doing all that work, did you not read I'm keeping the motor as stock as possible?
Try here http://www.car-parts.com to search the salvage yards for parts.
And lighten up a little too......... People are going to start ignoring you otherwise.
Good luck!
04-16-2011, 01:51 PM
#51
Well you aren't going to get 325rwhp out of just a cam and headers with the truck intake. At a min you are going to need a ls1 intake. All that may be moot with the truck heads installed. You may want to revaluate your goals or wait til your wallet is a little thicker.
Try here http://www.car-parts.com to search the salvage yards for parts.
And lighten up a little too......... People are going to start ignoring you otherwise.
Good luck!
Try here http://www.car-parts.com to search the salvage yards for parts.
And lighten up a little too......... People are going to start ignoring you otherwise.
Good luck!
Haha, I know, I know. But like I said, why do people keep saying to switch to an LS1 intake though? They don't flow more than the truck intake, they've actualy been flow tested over and over to flow LESS, and airflow = power. The only thing I'm changing on the intake is the TB, because I'm not running TBW, and I'm switching to a stock truck/LS1 cable TB.
I actually found my motor from car-part.com, killer deal. Read the story in my blow in my sig
EDIT: And this is interesting though, because we have people like the poster above, who gives specs of what he did, and the mods he had, and the power he made. Then you saying that power isn't possible, and to use parts that (according to all the data I've seen at least) prove to be inferior. This is what I love about forums
Last edited by kendogg; 04-16-2011 at 02:01 PM.
04-16-2011, 04:23 PM
#52
I've seen water on road with no streams or creeks around......its called a mirage.
Doesn't mean it was real.
The reason i mention the LS1 intake is i assume the truck intake will be too tall for your hood. Me personally i am/would go with a LS6 Intake since the truck intake WILL NOT clear my vette hood.
Toss the heads (Unless it somehow managed to get 243/799 heads) bore it and stuff the LS6 cam in it and be done with it. You have a new motor that will be still running when the car is rusted to the ground.
11-18-2011, 04:52 AM
#53
On The Tree
Hello , go over to Car Craft mag online and search Chevy 5.3L builds , there are 2 ( I believe ) occasions those guys took junk yard 5.3L's and built them up some to see what they could do . With 1 they started out putting a carb and an MSD spark controller and headers and dyno-d it for baseline #'s which were 335hp 350 tq , then they put in a thumper cam and aftermarket valve springs and those mods brought it to 431 or 433 hp with like 360 tq and raised the redline from 5600 to 6800 , then they tried a cpl different heads the best of which were cnc'd and with those heads it produced 459 hp and 398 tq . Not too bad really .
Last edited by veltboy618; 11-18-2011 at 05:07 AM.
