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Old Sep 15, 2004 | 03:51 PM
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I did a search but didnt have any luck. so here it is im looking to make 450rwhp to 500rwhp out of a ls1 with stock heads just bolt ons and no nos if possible but i still need great mpg above 20 hwy (is going to be daily driven) im building this engine to go into a 94 rx7 i just want to know parts that this forum recommends to get that power. odds are im going to build this engine to exactly what you recommend. thanks
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Old Sep 15, 2004 | 04:03 PM
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You could do a custom STS type set up. Alot depends on how much room you have underneath.
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Old Sep 15, 2004 | 04:09 PM
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not much room at all none on the the sides and just enough for a elbow in the front
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Old Sep 15, 2004 | 04:17 PM
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you will probably need to get ported heads...
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Old Sep 15, 2004 | 04:31 PM
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i agree with swolbynos , you'll probably need heads, cam and headers. you can find some block huggers if you look around the hotrod places.

also ,keep this in mind; you can't beat N2O when it comes to bang for the buck .
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Old Sep 15, 2004 | 05:37 PM
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WHAT would the best bang for my buck besides nos i have a 580hp 300zxtt so im sort of sick if dealing with lag i dont want it here. so the best so far would be a cam(what size dd car and want mpg) lsx intake w/90mm tb long tube headers so what else i want the power on pump gas i dont mind a supercharger but which one would do the job the cheapest. the only reason i dont want nos is because i always want the power not just when i have a full bottle. the car should run very low 10s with full int. and mt streets with 500rwhp thats my goal but if you think the only way is nos then so be it maybe ill use it but then what shot and supporting mods do i need to make it safe thanks
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Old Sep 15, 2004 | 06:35 PM
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if you want a blower, keep in mind that you need adequate space between the motor and the radiator, how much space you need depends on what brand blower. on an f-body (camaro , T/A) the ATI blowers are mounted infront of the alternator ( driver side bottom). the vortch is mounted where the power steering res. is.
on th corvette the ati located the blower on the pass side top.
your best bet is to look at some installed pics of those systems and judge if you have enough space.

i don't understand the coment you had about the cam.

if it was me i would skip the lsx manifold and just get a ls6 , not much gain from going to lsx if you ask me.

don't worry about gas milage, an m6 ls1 can get 27 mpg on the highway. with bolt ons and other stuff you can still get better than 20 mpg ( depending how much you get on it)
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Old Sep 16, 2004 | 06:26 AM
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there is a guy around here who put an ls1 and an ATI supercharger in the third gen rx7. So it can fit. think he made over 500rwhp on a stock bottom end, not sure if he had ported heads though.
his name is cdk4219 https://ls1tech.com/forums/member.php?u=3096
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