Most Performance for the Money

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jn13.4o8

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i just inherited a 98 yukon as my first car, im just wondering what are the most money efficient ways of adding more horsepower to my car?
 

Rollin Thunder

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intake, approx 250, BB tune, approx 300, exhaust 150-300 depending on where you get it installed, those are the most cost effective. BB tune alone is great, but that grin will be even bigger if you do an intake and exhaust before the tune. These are the cheapest mods I can think of. Dont fall for the "tornado" or "preformance chip" crap you see on egay.
 
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jn13.4o8

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thx guys. btw how much would a swap cost and is it worth it?

also iso ways of boosting mpg
 

destroyer1362

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From what I have been researching a 5.3/6.0 swap can be done relatively quickly & easily. The price could be less than $1,000 IF you get the engine used and do all the work yourself and if your lucky. But if your planning on getting the motor new forget about it being any less than 2 grand. If you want more info on the swap I can give you a link to another thread about it.
As for mpgs intake, bb tune, and electric radiator fans will help that.
 

bass1775

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What's wrong with shorties? I like mine. yeah I know the LT's are better but, the shorties are definitely better than stock and they bolt right up.
 

Rollin Thunder

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What's wrong with shorties? I like mine. yeah I know the LT's are better but, the shorties are definitely better than stock and they bolt right up.

Some shorties actually reduce performance. I wouldn't bother with anything but long tubes as well.
 

bowtiefreak

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no shorties could be worse than a stock manifold. Well unless I made them in my garage out of PVC tubing and bubble gum, oh yeah and lots of duct tape. Duct tape add a nice performance look and a great shine.
 

JennaBear

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What's wrong with shorties? I like mine. yeah I know the LT's are better but, the shorties are definitely better than stock and they bolt right up.

I have yet to see any shorties that had a decent cost/benefit ratio. You are better off staying stock and putting your money elsewhere IMO.

most long tubes will not meet emmisions...at least in pa.

Most LTs aren't CA SMOG legal either, which is why we made sure my system was entirely swappable from the manifolds back. I do believe the Bassani midlengths should pass for you though.
 

96ProCompTahoe

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i gotta agree shorties are better than the stock manifolds...

but if anyone really wants to swap back to stock i have a set in the garage i'll make you a hell of a good deal on!
 

laid yukon

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in going to bag my yukon but i want new heaaders for it. id like them to be shorties because i dont want to drag through them. what are some good brands and wont cost me an arm and a leg?
 

992dr

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For headers you can look into Thorleys Tri-Ys. From all the research I have done they seem to be the most beneficial for the L31s. They also include a y-pipe and they bolt right up to your stock cats without mods.
I have a set waiting to be installed.
Headers, CAI, E-fans are a decent mod to, that along with a tune would be nice.
 

bai78

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in going to bag my yukon but i want new heaaders for it. id like them to be shorties because i dont want to drag through them. what are some good brands and wont cost me an arm and a leg?

It all depends on what you consider an arm & a leg? As far as shorties go there are a few options that range from stainless steel, silver ceramic, to titanium ceramic coatings. Off the top of my head you can look into Gibson, Edelbrock, & JBA's.

I'm switching to Thorley tri-y's soon & my ceramic coated JBA's will need a new home.

http://www.jbaheaders.com/detail_shortyV.asp?id=1832SJS
 

jcooklock

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intake, approx 250, BB tune, approx 300, exhaust 150-300 depending on where you get it installed, those are the most cost effective. BB tune alone is great, but that grin will be even bigger if you do an intake and exhaust before the tune. These are the cheapest mods I can think of. Dont fall for the "tornado" or "preformance chip" crap you see on egay.

What is a BB Tune??
 

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