Supercharged Peeps...
#6
Revving at 9K...
Originally Posted by Seattle Cl-S
I just bought a boost gauge for the S/C. Which line is the vacuum hose that I need to "T" into?
#7
Originally Posted by Seattle Cl-S
I just bought a boost gauge for the S/C. Which line is the vacuum hose that I need to "T" into?
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#9
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Originally Posted by cls6sp03
Let me know how much boost you're getting after you get the gauge installed. My S/C gets 3.5 PSI max.
#10
Originally Posted by rezurex
3.5 psi? i thought the s/c gave like 6 psi of boost... 3.5 seems a bit low
#11
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Originally Posted by rezurex
3.5 psi? i thought the s/c gave like 6 psi of boost... 3.5 seems a bit low
It is low boost but does a great job with the engine. A little more boost and you get even more power out of it.
#12
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Originally Posted by cls6sp03
As per CompTech, 3.5 PSI is the stock max. boost. It's plenty of boost and makes 305 WHP/262 TQ as dyno'd at CompTech. Any more boost and there would be issues with the cheap ass Calif. gas.
#13
Originally Posted by scalbert
I wouldn't say that for sure. There are some running the HBP in CA without a problem.
Oh, now you've do it!!! You've got me thinking about it now.
#14
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Originally Posted by cls6sp03
You think so? Wouldn't I also need a different belt with the HBP. And if I were to order a HBP, does CompTech sell one?
Oh, now you've do it!!! You've got me thinking about it now.
Oh, now you've do it!!! You've got me thinking about it now.
#15
Race Director
Originally Posted by scalbert
Nope, the same belt works just fine and yes, Comptech is the supplier of it.
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Originally Posted by Chaptorial
Steve the stock s/c belt that comes in the kit can be used if you swap in the HBP pulley? I was under the impression you'd need a new belt.
#19
Burning Brakes
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Originally Posted by cls6sp03
So how many Calif. people running the HBP, how long and any issues? I would appreciate your feedback because I'm seriously considering the HBP.
thanks...
thanks...
That's a big risk to take unless you're able to fix/repair any problems yourself.
#20
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Originally Posted by derelict
I was inquiring with a local installer about the HBP, and whether or not to get it. He called CT directly and 5 minutes later called me back saying, 'ya they sell it, costs $80. But it also completely voids the warranty on the S/C kit'.
That's a big risk to take unless you're able to fix/repair any problems yourself.
That's a big risk to take unless you're able to fix/repair any problems yourself.
#21
Blown LS6!!
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Scalbert:
Do you know what the torque specs are on the HBP and belt? I swear I'm still getting slippage at the higher RPM's. I'll know for sure once I get the gauge installed. I'm off to find a "T" filling.
Do you know what the torque specs are on the HBP and belt? I swear I'm still getting slippage at the higher RPM's. I'll know for sure once I get the gauge installed. I'm off to find a "T" filling.
#22
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Originally Posted by Seattle Cl-S
Scalbert:
Do you know what the torque specs are on the HBP and belt? I swear I'm still getting slippage at the higher RPM's. I'll know for sure once I get the gauge installed. I'm off to find a "T" filling.
Do you know what the torque specs are on the HBP and belt? I swear I'm still getting slippage at the higher RPM's. I'll know for sure once I get the gauge installed. I'm off to find a "T" filling.
#23
Originally Posted by scalbert
Same specs as with the base pulley. In fact, since the HBP is a larger diameter unit there should be less chance of slipping.
#24
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Originally Posted by cls6sp03
I was told just the opposite by Shad at CompTech. The larger HBP (alternator pulley) could cause more belt slippage if belt isn't tightened properly.
That is unless the change of the pulley changes the position on another pulley. The only way I could see this being an issue is if the larger diamter of the ALT pulley (HBP) adjusted the tensioning point to where the SC pulley had less contact. That might be the case here but after what I have seen it is not an issue.
And I have had on at least five different pulley combinations.
#25
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Originally Posted by cls6sp03
I was told just the opposite by Shad at CompTech.
#26
Originally Posted by scalbert
That goes against any conventional thought on pulley contact. A larger pulley will have more contact area with the belt. Think of the contact patch of a tire; more area increases the grip level.
That is unless the change of the pulley changes the position on another pulley. The only way I could see this being an issue is if the larger diamter of the ALT pulley (HBP) adjusted the tensioning point to where the SC pulley had less contact. That might be the case here but after what I have seen it is not an issue.
And I have had on at least five different pulley combinations.
That is unless the change of the pulley changes the position on another pulley. The only way I could see this being an issue is if the larger diamter of the ALT pulley (HBP) adjusted the tensioning point to where the SC pulley had less contact. That might be the case here but after what I have seen it is not an issue.
And I have had on at least five different pulley combinations.
#27
Subie Dubie
I think i'm getting close to going HBP I'd probably have it done at the dealer. I'm also looking to order some 100 unleaded gas to mix in with our pitiful 91 crap. What octane do you think i should go with Scalbert ??
#28
Safety Car
Originally Posted by Red Rider
I think i'm getting close to going HBP I'd probably have it done at the dealer. I'm also looking to order some 100 unleaded gas to mix in with our pitiful 91 crap. What octane do you think i should go with Scalbert ??
#29
Subie Dubie
Originally Posted by cls6sp03
What I was told by CompTech was that the larger alt. pulley (HBP) increases the angle of attack on the small blower pulley which lessens the belt contact area on the small blower pulley.
If you do, will you have Comptech or the dealer install ??
#30
Originally Posted by scalbert
I'm glad you have had contact with him. Several voice mails and now an email go unanswered spanning nearly a month period.
#31
Safety Car
Originally Posted by cls6sp03
As per CompTech, 3.5 PSI is the stock max. boost. It's plenty of boost and makes 305 WHP/262 TQ as dyno'd at CompTech. Any more boost and there would be issues with the cheap ass Calif. gas.
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Originally Posted by cls6sp03
What I was told by CompTech was that the larger alt. pulley (HBP) increases the angle of attack on the small blower pulley which lessens the belt contact area on the small blower pulley.
But, by adjust the position of the tensioner pulley towards the SC pulley a small amount can get you back at near the same overlap.
#33
Originally Posted by Red Rider
What are you gonna do ??
If you do, will you have Comptech or the dealer install ??
If you do, will you have Comptech or the dealer install ??
#34
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Originally Posted by allmotor_2000
Are you guys sure the 6-speed comes with a 3.5psi pulley? That's a lot of whp for 3.5psi!
#35
Originally Posted by allmotor_2000
Are you guys sure the 6-speed comes with a 3.5psi pulley? That's a lot of whp for 3.5psi!
#36
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Originally Posted by cls6sp03
When CompTech dyno'd my car, they also checked how much boost it was getting. It had a max. boost of ~3.495 PSI. I also have the CompTech headers and full catback exhaust.
#37
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Originally Posted by cls6sp03
If I do go with the HBP, I'll probably have CompTech do the install and dyno. That's assuming there are no blower warranty and/or CARB issues.
Any other past stories or current info would be appreciated.
#38
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Originally Posted by derelict
it seems CT has a hands off policy once its installed. This susprises me considering they sell it themselves...
Any other past stories or current info would be appreciated.
Any other past stories or current info would be appreciated.
#39
I just called CompTech and they confirmed that the warranty would be voided with the HBP as previously stated by derelict; even if they did the install. However, after the two year warranty is up on the blower, they said that would be a good time to consider the HBP; as a number of people have done. Since I already had one blower unit replaced back in May and have another 17 months left on my warranty, I think I'll wait. However, I may go ahead and buy the HBP now so I have it on hand when it comes time to do the install. Or would that be too tempting?
#40
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Why not just do it? If the blower goes, take off the HBP and install the pulley that came with the kit. How is Comptech going to know? Unless, you are having Comptech do all the install work.