With a 2860 on 14lbs with a 162 and a head shim I was getting a fairly consistent 88mph track speed. That was with a Maverick, so it would be slightly less with an extreme.
Tuning Help Please
- Thread starter Radski30
- Start date
With a 2860 on 14lbs with a 162 and a head shim I was getting a fairly consistent 88mph track speed. That was with a Maverick, so it would be slightly less with an extreme.
J
Matt, pull the snopro green. :face-icon-small-win
cutler red/white!
T
Here is what I would do steps wise
1 - Build a boost leak tester and test. Check the IC/Throttle body hoses as they are notorious for coming off on the BD kit. May want to add some bracing to the IC so it doesn't push up as you up the boost. Make sure the header is tight and not warped at the flanges. Also the flex pt as others have mentioned
2 - Check the AFR and RPMs. If the APEX isn't hitting 10.6 there is a really big diff
The track change will be big. The Maverick is total junk on boost. If you go right to the 174X3 you will need a bigger charger
Get this right and then upgrade to a 2860 or 71. Lots of people liked the 60 better on the Apex for some reason
I would not upgrade the pistons without doing rods and if you do rods do the bearings. With the shim the responsiveness of the 2860 is not bad at all and you will be fine running 17 or 18 at your altitude. I would get there first before the motor build. IMO the BD kit is a little too inefficient at high boost to make the motor build really worth it. I think once you get to really high boost you will be pushing a lot of oil and making a lot of hot air due to the IC. Just my opinion. If you get it running right at 14-18lbs it will destroy any great running M7. I have owned 2 turbo M7s
1 - Build a boost leak tester and test. Check the IC/Throttle body hoses as they are notorious for coming off on the BD kit. May want to add some bracing to the IC so it doesn't push up as you up the boost. Make sure the header is tight and not warped at the flanges. Also the flex pt as others have mentioned
2 - Check the AFR and RPMs. If the APEX isn't hitting 10.6 there is a really big diff
The track change will be big. The Maverick is total junk on boost. If you go right to the 174X3 you will need a bigger charger
Get this right and then upgrade to a 2860 or 71. Lots of people liked the 60 better on the Apex for some reason
I would not upgrade the pistons without doing rods and if you do rods do the bearings. With the shim the responsiveness of the 2860 is not bad at all and you will be fine running 17 or 18 at your altitude. I would get there first before the motor build. IMO the BD kit is a little too inefficient at high boost to make the motor build really worth it. I think once you get to really high boost you will be pushing a lot of oil and making a lot of hot air due to the IC. Just my opinion. If you get it running right at 14-18lbs it will destroy any great running M7. I have owned 2 turbo M7s
J
Good stuff right there!
Andrew, how was yours blowing the boots? Was it lifting the Intercooler? Kasey that bought your kit had the boots between the throttle bodies and head blow off. Did you have the intercooler mounted solid?
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