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View Full Version : Hydraulic or Solid Lifters for Sunbelt Cams?



94is
10-28-2007, 06:07 PM
I am looking to purchase a Sunbelt Cam kit along with the M50 race valvespring kit from Bimmerworld. My lifters need to be replaced as well, and I was wondering if hydraulic lifters would be okay/safe for that setup? VAC makes some solid lifters, but I would prefer to use stock-style lifters to avoid valve adjustments, etc.

Thanks in advance for the input. :)

SG_M3
10-28-2007, 06:11 PM
i'd stay hydraulic.

solid lifters would be for more rev's, but a stock bottom end doesn't last much past 7200 rpm.

I wouldn't even do the springs, unless you are just dying to upgrade.

94is
10-28-2007, 06:16 PM
i'd stay hydraulic.

solid lifters would be for more rev's, but a stock bottom end doesn't last much past 7200 rpm.

I wouldn't even do the springs, unless you are just dying to upgrade.
No, I really didn't want to drop an extra $1100 just for the spring kit. I just want to make sure that my motor will be solid and happy. The less money I have to spend, the better. The cams and software is already $2000, and I've only got for $1700 in parts to sell. :help Time to start selling furniture. :rofl

Kaiv
10-28-2007, 07:16 PM
2000 for cams and software? If it was me I'd save that toward a supercharger fund :)

bluemoon2222
10-28-2007, 07:30 PM
Solid lifters need to be dialed in and checked pretty regularly. IMO, stay hydraulic as long as you can.

94is
10-28-2007, 07:55 PM
2000 for cams and software? If it was me I'd save that toward a supercharger fund :)
I really want a Eurosport kit, but those are on hold as of late. I figure that I can always add a s/c after the cams.


Solid lifters need to be dialed in and checked pretty regularly. IMO, stay hydraulic as long as you can.
Yeah, I'm not familiar with the solid lifter conversion, and really didn't wanna have to swap them.

ParadigmGuy
10-28-2007, 10:25 PM
You shouldn't have a problem with hydraulic lifters. Although my springs are upgraded I'm running hydraulic lifters and rev to 7800 without a problem.

I've also seen a few posts from people who had a lot of problems with the sunbelt cams.

You should just save for the turbo. :)

94is
10-28-2007, 11:26 PM
You shouldn't have a problem with hydraulic lifters. Although my springs are upgraded I'm running hydraulic lifters and rev to 7800 without a problem.

I've also seen a few posts from people who had a lot of problems with the sunbelt cams.

You should just save for the turbo. :)
I heard that they corrected the problem, quite awhile ago actually. I've also heard of many club race cars running the sunbelts with excellent results.

ParadigmGuy
10-28-2007, 11:38 PM
I heard that they corrected the problem, quite awhile ago actually. I've also heard of many club race cars running the sunbelts with excellent results.
OK, cool. :thumbup:

Patrón
10-29-2007, 11:24 AM
Time to start selling furniture. :rofl

:rofl:

what made you decide on the sunbelts vs. the schricks?

94is
10-29-2007, 01:25 PM
:rofl:

what made you decide on the sunbelts vs. the schricks?
I don't want a gain of just 10-15rwhp. My car already makes 230rwhp, and I'd be pissed if it only made 240 after the cams. I just want something a *little* more aggressive.

Quailane
10-29-2007, 01:54 PM
What problem with the sunbelt cams are you talking about?

Patrón
10-29-2007, 01:55 PM
I don't want a gain of just 10-15rwhp. My car already makes 230rwhp, and I'd be pissed if it only made 240 after the cams. I just want something a *little* more aggressive.

Is Tim throwing $$$ at his car in hopes that he can keep up with you?










:devillook

94is
10-29-2007, 04:39 PM
What problem with the sunbelt cams are you talking about?
I think that there was some problem with timing, and since the cams have a larger lobe, that they can easily hit valves if timing isn't 100% accurate. Btw, this might be incorrect, but I *think* this is what I remember hearing.