Quote:
Originally Posted by Roman@ESS
We designed our manifolds to be sealed for a couple reasons. First the size of the cooling core we use on our VT2 kits does not allow for a slide in application. If we would have gone this route our cooler would have had to have been reduced in size and that simply was not an option. The second reason is we felt better having a sealed manifold design and not one that could be exposed to pressure leaks with a removable door or tray. Is it a little more work to upgrade? sure you have to exchange the VT1 manifold for a VT2 when you upgrade but we feel confident that our design allows for max power and cooling with min boost levels on this motor.
Performance and reliability are always a top priority and as you can see in the latest EAS dyno shootout our non intercooled VT1-535 kit held up pretty darn good to some of the much higher rated stage 2 intercooled kits.
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Slide in core designs provide for a dynamic installation as Heavy manifolds do not need to be shipped back and forth especially for overseas owners and you do not have to wait for 4 days of added shipping to your installation time.
http://www.m3post.com/forums/showthr...ight=VF540+EAS
Manifold core size or air charge blow by is not a concern with designs that are engineered with these factors in mind from the outset.
The dyno plot showing the VF620 performing 484whp is misleading because the vehicle was experiencing an issue which was corrected the following week and put down over 520whp on the same dyno (EAS) just a few days later - just wanted to clear that up.
Thanks!
Custom VF-intake manifold w/slide-in air:water heat exchanger
This is a dyno of the performance you receive with our Entry-level system:
VF540 STD Correction
Thanks to tom and EAS for all these dynos and pictures!