Trying to get more spool... See any possible improvements in my logs?
7 Attachment(s)
Care to give my logs a critique? As you can see my spool is terrible. But I think it's more a limitation of the crush-bent DP. Any areas of improvement? Here is the dyno of these pulls. Run 3 is with the boost turned down to 11psi, it's in blue.
Attachment 239458 I've noticed that the boost drops a bit when it reaches the target, which means I need to play with closed loop boos control some more. That will help with the torque dip once spooled. Do I need some more timing during spool up? |
you have a 1.6L with a crush bent DP.
fix both those things. you are pushing the limits of your rods, fwiw. |
Originally Posted by Braineack
(Post 1065231)
you have a 1.6L with a crush bent DP.
fix both those things. you are pushing the limits of your rods, fwiw. I just added new wheels and tires and a roll bar, so I'll need to find a good deal on mani/dp. Miata funds this winter are already tight. This much power shows that my manifold is good, right? So really, I just need a high-flowing downpipe? I'll see what some custom shops around here charge. |
do you use HP to push your pistons down?
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fyi the earlier in the rev range that you hit the 250tq the higher probability that a rod calls it quits and promptly exits out the side
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Originally Posted by 18psi
(Post 1065248)
fyi the earlier in the rev range that you hit the 250tq the higher probability that a rod calls it quits and promptly exits out the side
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everything you can do to improve flow/efficiency at this point is only going to help you.
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Originally Posted by Braineack
(Post 1065253)
everything you can do to improve flow/efficiency at this point is only going to help you.
I'm not starting over with a 1.8L engine any time soon. I have plenty of power. More than I need actually. Spool is what I need now |
post pics and details of your setup so we can see what you're actually talking about
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Originally Posted by 18psi
(Post 1065256)
post pics and details of your setup so we can see what you're actually talking about
https://www.dropbox.com/sc/ft8fqswfo8uaezz/-zvr1eOleR |
that looks awful. and your sig still doesn't show us your manifold. based on that downpipe though, I'd say yes there is quite a bit of room for improvement in your setup
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Like we said the other day. I'm sure if you had a decent flowing mani and downpipe your motor would have probably went pop on the dyno. lol
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LOL, that downpipe is really bad. Whats the manifold look like?
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Originally Posted by event
(Post 1065255)
I'm not starting over with a 1.8L engine any time soon. I have plenty of power. More than I need actually. Spool is what I need now
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Originally Posted by 18psi
(Post 1065261)
that looks awful. and your sig still doesn't show us your manifold. based on that downpipe though, I'd say yes there is quite a bit of room for improvement in your setup
There's the manifold. Sorry I don't have great pics installed while at work. |
Is that one of those old HKS units? The manifold actually looks much better than that downpipe, so I'd address the downpipe first and foremost.
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Originally Posted by Fireindc
(Post 1065297)
Is that one of those old HKS units? The manifold actually looks much better than that downpipe, so I'd address the downpipe first and foremost.
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