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Help me plan my engine build
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<blockquote data-quote="Sluggie24" data-source="post: 15510358" data-attributes="member: 184003"><p>So in a year or so I'm planning to build, or have an engine built, or re-build this engine, for my 04 GT auto. </p><p></p><p>It has a AA intercooled Vortech V3 Si on it only pushing 10-11psi. Makes 370 rwhp and 350 rwtq now.(safe tune) Might try to to get it to 14 psi with built engine but my power goal would only be maybe 450 rwhp.</p><p></p><p>I need opinions from people who have been down this road before on what is worth spending money on and what isn't. I'm trying to do this as cost effectively as possible since it's just a fun street car and I'm not out to set records at the track.</p><p></p><p>I'd like to strengthen the bottom end so it will be problem free (and handle more boost/timing) and while it's apart get the heads ported and stick in some blower cams.</p><p></p><p>Is it worth spending the money for a 5.0 big bore block or should I just stick with the 4.6? I don't know if the power gained will be worth the extra expense.</p><p></p><p>How about strokers? </p><p></p><p>Do I need a forged crank with an auto that won't be running slicks?</p><p></p><p>Which rods and pistons would give me the best bang for the buck while still being strong enough to handle my potential power with reserve?</p><p></p><p>I've been looking at the rotating assemblies MMR offers and their 600 and 750 kits seem to be reasonably priced. Anyone have any experience with them? Their built engines seem a bit higher than I want to spend but maybe the easiest way to go.</p><p></p><p>Sorry for all the questions but I like to figure out what direction is best early so I can plan and save. Any input anyone could give would be great!</p></blockquote><p></p>
[QUOTE="Sluggie24, post: 15510358, member: 184003"] So in a year or so I'm planning to build, or have an engine built, or re-build this engine, for my 04 GT auto. It has a AA intercooled Vortech V3 Si on it only pushing 10-11psi. Makes 370 rwhp and 350 rwtq now.(safe tune) Might try to to get it to 14 psi with built engine but my power goal would only be maybe 450 rwhp. I need opinions from people who have been down this road before on what is worth spending money on and what isn't. I'm trying to do this as cost effectively as possible since it's just a fun street car and I'm not out to set records at the track. I'd like to strengthen the bottom end so it will be problem free (and handle more boost/timing) and while it's apart get the heads ported and stick in some blower cams. Is it worth spending the money for a 5.0 big bore block or should I just stick with the 4.6? I don't know if the power gained will be worth the extra expense. How about strokers? Do I need a forged crank with an auto that won't be running slicks? Which rods and pistons would give me the best bang for the buck while still being strong enough to handle my potential power with reserve? I've been looking at the rotating assemblies MMR offers and their 600 and 750 kits seem to be reasonably priced. Anyone have any experience with them? Their built engines seem a bit higher than I want to spend but maybe the easiest way to go. Sorry for all the questions but I like to figure out what direction is best early so I can plan and save. Any input anyone could give would be great! [/QUOTE]
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