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Forum: Forced Induction - V8 10-06-2016, 08:21 AM
Replies: 57
Views: 2,158
Posted By old motorhead
Yeah, my transmission guy says that a TH400 is...

Yeah, my transmission guy says that a TH400 is pretty much a 4L80 without the overdrive. Same with a TH350 being similar to a 4L60 without o/d. There are some noticeable power delivery differences...
Forum: Forced Induction - V8 10-05-2016, 04:47 PM
Replies: 57
Views: 2,158
Posted By old motorhead
Here is a link to the belts. They grip good and...

Here is a link to the belts. They grip good and don't stretch much. Not too many holes in the sizing either. Only problem is that not too many retailers carry them. So, you can't go grab a handful of...
Forum: Forced Induction - V8 10-05-2016, 04:02 PM
Replies: 57
Views: 2,158
Posted By old motorhead
I missed the part about the ECS tensioner. They...

I missed the part about the ECS tensioner. They make good stuff. You're probably good there.
Forum: Forced Induction - V8 10-05-2016, 09:43 AM
Replies: 57
Views: 2,158
Posted By old motorhead
I agree on keeping the o/d crank pulley. You...

I agree on keeping the o/d crank pulley. You might look at the idler closest to your blower pulley. If there's room, you can increase the diameter of that pulley to increase belt wrap on your blower...
Forum: Forced Induction - V8 10-04-2016, 08:13 PM
Replies: 57
Views: 2,158
Posted By old motorhead
A turbo 400 is a pretty notorious power eater. A...

A turbo 400 is a pretty notorious power eater. A built one won't break, but it won't win you any dyno contests either. Add a high stall speed converter and you can really see some disappointing...
Forum: Forced Induction - V8 10-04-2016, 07:43 PM
Replies: 57
Views: 2,158
Posted By old motorhead
I'm out in the rice fields just west of Houston....

I'm out in the rice fields just west of Houston. It's kinda hard to tell because it typically doesn't slip at lower rpm when you can stare at the gauge a little. Mine started slipping at 5500...
Forum: Forced Induction - V8 10-04-2016, 07:12 PM
Replies: 57
Views: 2,158
Posted By old motorhead
Are you sure it's not slipping now? At 13psi with...

Are you sure it's not slipping now? At 13psi with a healthy blower cam and bolt-ons, seems like it should show a little more power. Or is your compression ratio way less than stock?
Forum: Forced Induction - V8 10-03-2016, 08:30 AM
Replies: 6
Views: 595
Posted By old motorhead
You might try some sort of adjustable valve on...

You might try some sort of adjustable valve on that vacuum line.
Forum: Forced Induction - V8 10-02-2016, 08:21 PM
Replies: 6
Views: 595
Posted By old motorhead
What do you mean by "hard" shifts? Coming...

What do you mean by "hard" shifts? Coming completely off the acc pedal when shifting? If so, maybe try throwing full power shifts or only backing off the throttle a little. If your engine doesn't see...
Forum: Forced Induction - V8 09-23-2016, 05:38 PM
Replies: 10
Views: 515
Posted By old motorhead
It's more important to change it regularly and...

It's more important to change it regularly and use a quality filter than choosing one quality oil vs another.
Forum: Forced Induction - V8 08-19-2016, 06:25 PM
Replies: 8
Views: 652
Posted By old motorhead
Do a little snooping around on your rig. Check...

Do a little snooping around on your rig. Check vacuum between the throttle body and blower. If there's much vacuum there, you can benefit from a bigger throttle body. But, make sure the vacuum isn't...
Forum: Forced Induction - V8 08-14-2016, 06:25 PM
Replies: 46
Views: 2,551
Posted By old motorhead
You should be seeing more than 9 to 11psi with...

You should be seeing more than 9 to 11psi with the way you're set up. Might want to fix your belt slip before adding additional mods. Boost shouldn't vary 2 psi either....unless you're comparing...
Forum: Forced Induction - V8 07-08-2016, 02:52 PM
Replies: 6
Views: 462
Posted By old motorhead
Get a half and a one inch shorter belt from your...

Get a half and a one inch shorter belt from your local parts house. You should be able to narrow it down like that. Save your receipt and take them back when done trial fitting. If it goes on easily,...
Forum: Forced Induction - V8 07-08-2016, 01:39 PM
Replies: 6
Views: 462
Posted By old motorhead
You're spinning to blower faster, so there is...

You're spinning to blower faster, so there is more load on the serp. belt. That pulley setup is the equivalent of running a 3.25" blower pulley with 1:1 rears. Shouldn't slip if your tensioner is...
Forum: Forced Induction - V8 06-13-2016, 11:35 AM
Replies: 15
Views: 1,158
Posted By old motorhead
You're going to see some seriously high boost...

You're going to see some seriously high boost levels with the stock cam and stock exhaust. You need to rethink that 2.5" pulley.
Forum: Forced Induction - V8 06-12-2016, 05:29 PM
Replies: 27
Views: 2,308
Posted By old motorhead
You can run that rig all day if the tune is good...

You can run that rig all day if the tune is good and you have plenty of fuel. You should be right at 10psi. Run it and enjoy!
Forum: Forced Induction - V8 06-01-2016, 04:29 PM
Replies: 77
Views: 4,400
Posted By old motorhead
Being from California, you'd be nuts to put a...

Being from California, you'd be nuts to put a blower on that's not CARB compliant if one's available. I believe the HB is. Not sure about KB and Whipple. The LSA might pass if the inspector didn't...
Forum: Forced Induction - V8 05-20-2016, 08:10 AM
Replies: 11
Views: 485
Posted By old motorhead
In the intercooler system, I'd use as little...

In the intercooler system, I'd use as little antifreeze as possible. Will the car ever be used in freezing temps? If not, I wouldn't use any a/f. I've heard folks swear that "Water Wetter" does...
Forum: Forced Induction - V8 05-08-2016, 03:50 PM
Replies: 11
Views: 707
Posted By old motorhead
Belt slip. Once you start making boost, the belt...

Belt slip. Once you start making boost, the belt stretches. If the belt isn't the shortest one you can wrestle on there, the tensioner will run out of travel and lose the ability to keep the belt...
Forum: Forced Induction - V8 05-08-2016, 08:47 AM
Replies: 16
Views: 1,549
Posted By old motorhead
If you're M6 tranny, you could get there with...

If you're M6 tranny, you could get there with just a little more boost. If you're A6, that's a pretty tall order. Not saying it can't be done, but you'll probably need more octane (meth or e85)....
Forum: Forced Induction - V8 04-26-2016, 10:40 AM
Replies: 19
Views: 1,687
Posted By old motorhead
650 if M6. 610 A6. Assuming Dynojet.

650 if M6. 610 A6. Assuming Dynojet.
Forum: Forced Induction - V8 04-22-2016, 02:33 PM
Replies: 22
Views: 1,541
Posted By old motorhead
What is your idea of "big" gains?

What is your idea of "big" gains?
Forum: Forced Induction - V8 04-14-2016, 08:01 AM
Replies: 39
Views: 2,614
Posted By old motorhead
Me thinks you're going to be well over 10psi and...

Me thinks you're going to be well over 10psi and out of injector...unless you're operating way up in those high altitude Florida mountains...or, unless you're counting on a whole lot of belt slip.
Forum: Forced Induction - V8 04-13-2016, 08:12 PM
Replies: 39
Views: 2,614
Posted By old motorhead
2.5" blower pulley with stock size LS3 damper...

2.5" blower pulley with stock size LS3 damper =10psi? That's on an LS3 with stock cam?
Forum: Forced Induction - V8 04-13-2016, 07:26 PM
Replies: 39
Views: 2,614
Posted By old motorhead
The way you're configured, isn't the boost going...

The way you're configured, isn't the boost going to be well over 10psi with the 2.5" pulley? Are you running pump gas without meth?
Forum: Forced Induction - V8 04-11-2016, 04:08 PM
Replies: 9
Views: 767
Posted By old motorhead
I'm trying to get a handle on pulley sizes. Right...

I'm trying to get a handle on pulley sizes. Right or wrong, I'm thinking the equation for comparing pulley size for a 2.3L vs 2.9L blower is fairly simple. A 3.75" pulley on a 2.9L blower should move...
Forum: Forced Induction - V8 04-11-2016, 01:48 PM
Replies: 9
Views: 767
Posted By old motorhead
Nice work! 812rwhp is a whole lotta bang for the...

Nice work! 812rwhp is a whole lotta bang for the amount of boost you're running. I would have thought the 3.75" pulley would be the one to use if wanting 12psi. Figured I'd need 12ish psi to see low...
Forum: Forced Induction - V8 04-11-2016, 07:40 AM
Replies: 9
Views: 767
Posted By old motorhead
What fuel are you using? Meth? Stock or built...

What fuel are you using? Meth? Stock or built long block?
Forum: Forced Induction - V8 04-10-2016, 08:34 AM
Replies: 9
Views: 767
Posted By old motorhead
Qustions for the Whipple boys

Assuming LS3 with mild blower cam, long tube headers, good intake, no meth, 93 octane, and no cat exhaust....How much power can you make before having to add more ribs on the drive belt? Do you have...
Forum: Forced Induction - V8 03-10-2016, 07:14 AM
Replies: 5
Views: 714
Posted By old motorhead
If would be interesting to see before and after...

If would be interesting to see before and after dyno numbers. See how much just a cam swap would be worth. You might consider a meth kit if you're stuck with that 91 octane California skunk piss...
Showing results 1 to 30 of 500

 
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