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2013-14 Shelby GT500
Built engine time.
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<blockquote data-quote="dale.baker" data-source="post: 16620795" data-attributes="member: 113067"><p>This is exactly the same bottom end JDM put in my engine. Notice no main studs due to their experience with new stock bolts being able to withstand 1400HP maximum without incident on their Super Stock cars. Also no head studs are used as their belief is that it is much cheaper if you have a head gasket compromised to let the head lift, thus drastically increasing the likelihood of saving both the block and heads after a mishap. Lastly I use the 10mm timing chain components because they are more robust and stronger than the stock 8mm parts and should prove to be more reliable in the long term. The 10mm components do require the use of 2003/2004 Cobra Mustang valve covers with a few small welded modifications. These were quite plentiful in 2015 but I do not know their availability currently? My engine produced 806WHP with 12* of timing at 7600 RPM on the stock blower and fuel system. The air in December 2015 was very cold when we dyno tuned my car at JDM and I was at 11.8:1 air to fuel ratio on the stock components and decided we met our goal of 800WHP and to not pursue adding an additional return style fuel systems at this point. You will be very satisfied with JDM at the end of the process of building your engine. I strongly recommend Jim SR. to do the tuning after you install and break the engine in properly. Who else gives a one year guarantee on this type of engine build (provided you do not detonate it by running the engine lean). This is why almost six years later I have no complaints about my decision to have them build and tune my new engine. If I can help you in any way please reach out to me. Lastly Bimini (Jay) has taken the JDM basic build to another level and is a great resource of knowledge on the forum. He and I built our engines about the same time frame.</p></blockquote><p></p>
[QUOTE="dale.baker, post: 16620795, member: 113067"] This is exactly the same bottom end JDM put in my engine. Notice no main studs due to their experience with new stock bolts being able to withstand 1400HP maximum without incident on their Super Stock cars. Also no head studs are used as their belief is that it is much cheaper if you have a head gasket compromised to let the head lift, thus drastically increasing the likelihood of saving both the block and heads after a mishap. Lastly I use the 10mm timing chain components because they are more robust and stronger than the stock 8mm parts and should prove to be more reliable in the long term. The 10mm components do require the use of 2003/2004 Cobra Mustang valve covers with a few small welded modifications. These were quite plentiful in 2015 but I do not know their availability currently? My engine produced 806WHP with 12* of timing at 7600 RPM on the stock blower and fuel system. The air in December 2015 was very cold when we dyno tuned my car at JDM and I was at 11.8:1 air to fuel ratio on the stock components and decided we met our goal of 800WHP and to not pursue adding an additional return style fuel systems at this point. You will be very satisfied with JDM at the end of the process of building your engine. I strongly recommend Jim SR. to do the tuning after you install and break the engine in properly. Who else gives a one year guarantee on this type of engine build (provided you do not detonate it by running the engine lean). This is why almost six years later I have no complaints about my decision to have them build and tune my new engine. If I can help you in any way please reach out to me. Lastly Bimini (Jay) has taken the JDM basic build to another level and is a great resource of knowledge on the forum. He and I built our engines about the same time frame. [/QUOTE]
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