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The Terminator
Turbo Cobras
Precision gen2 68/70 ?
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<blockquote data-quote="sutyak" data-source="post: 15595960" data-attributes="member: 12833"><p>I went from a Precision 76/75 to a BW S369SX-E with zero regrets. Faster spool, and just a monster of a turbo. My motor is also 8.5:1 CR, so yours would spool even faster. </p><p></p><p>Here is are the maps I came up with to make the decision. I purpose-built a 10.0 car, so I'm just not going to use the rest of the 76/75 that is available. I used a Garrett GTX4202R map as a close approximation to the 76/75, since Precision does not have maps made. As you can see at 667whp, and a potential for 1,000whp it's just barely being used. With the BW S369SX-E, it's much happier and can still hit 800whp or so. I just wouldn't try it on pump gas. </p><p>I run around at 10psi most of the time, and 18psi will be for the track. I doubt I'll ever go to 22psi, but I do have the wastegate spring options handy and methanol. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p><p></p><p>If you want that extra headroom then go 76/75. If not, then there are more appropriately sized options. </p><p></p><p>[ATTACH=full]709411[/ATTACH]</p><p></p><p>[ATTACH=full]709412[/ATTACH]</p><p></p><p>Physically, the BW is basically the same size as the Precision. It is certainly not a direct drop-in depending on your kit. </p><p></p><p>[ATTACH=full]709413[/ATTACH]</p></blockquote><p></p>
[QUOTE="sutyak, post: 15595960, member: 12833"] I went from a Precision 76/75 to a BW S369SX-E with zero regrets. Faster spool, and just a monster of a turbo. My motor is also 8.5:1 CR, so yours would spool even faster. Here is are the maps I came up with to make the decision. I purpose-built a 10.0 car, so I'm just not going to use the rest of the 76/75 that is available. I used a Garrett GTX4202R map as a close approximation to the 76/75, since Precision does not have maps made. As you can see at 667whp, and a potential for 1,000whp it's just barely being used. With the BW S369SX-E, it's much happier and can still hit 800whp or so. I just wouldn't try it on pump gas. I run around at 10psi most of the time, and 18psi will be for the track. I doubt I'll ever go to 22psi, but I do have the wastegate spring options handy and methanol. :D If you want that extra headroom then go 76/75. If not, then there are more appropriately sized options. [ATTACH=full]709411[/ATTACH] [ATTACH=full]709412[/ATTACH] Physically, the BW is basically the same size as the Precision. It is certainly not a direct drop-in depending on your kit. [ATTACH=full]709413[/ATTACH] [/QUOTE]
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