I was able to disconnect my passenger side pcv hose and re-route it. No more kink.
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06-21-2018, 03:25 PM | #2416 (permalink) |
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I was able to disconnect my passenger side pcv hose and re-route it. No more kink.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
06-22-2018, 11:40 AM | #2417 (permalink) | |
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06-22-2018, 12:00 PM | #2418 (permalink) | |
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I'm running flex. Same thing, e85 90% of the time. The only time I'll be on 91 octane is if I take a trip and e85 isn't available. Seb pulled a bunch of timing on my 91 tune (for safety) and and primarily set me up to make all my power on e85.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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06-23-2018, 06:39 PM | #2419 (permalink) | |
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I saw this one, Part# 2A038, on the Vortech website. It is the same part number for the "normal" 8-rib supercharger drive pulley and the "high-traction" pulleys... The high traction category doesn't have a 3.4 option... Otherwise, I'd go back to the 8lb serp side and do the 3.4-3.0 jackshaft-SC on the SC side like Topz I was thinking of keeping the 9lb serp side and ordering two 3.15 (is this what y'all are calling the 3.2?) high traction to replace the SC side. And to answer the question, you might as well replace the belt, knowing that you've worn the belt a bit and having everything apart. |
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06-23-2018, 06:52 PM | #2420 (permalink) | |
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I already have a new belt ordered.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp Last edited by redondoaveb; 06-23-2018 at 06:54 PM. |
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06-23-2018, 07:29 PM | #2421 (permalink) | |
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06-23-2018, 07:41 PM | #2422 (permalink) | |
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Stillen didn't use a Vortech pulley for the jackshaft, it looks like a Magnuson but I'm not positive.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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06-23-2018, 07:51 PM | #2423 (permalink) | |
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Thanks for the info!!! I'm not sure my tranny is ready for that much boost haha. Or me ready to spin the Vortech bearings that fast haha. But since I'm swapping out the pulleys anyways, I might go with the 3.15 jackshaft and maybe the 3.0 SC... Per the Vortech calculator, I'm at 55.6k RPM now (with the serp-side 9lb pulley). Bumping down to the 3.0 while keeping the 3.15 ~stock size jackshaft would put me at ~58.4. Strongly debating stepping down the size since it'll keep me in the limits of the tranny. If I had the 928 Supervortech upgrade, I'd go 3.47 jackshaft and 2.85 SC, which would spin it ~68k! Did you just source the longer bolt from Lowe's or similar? Did you increase the SC-side idler? Thanks again!! Last edited by turtle64b; 06-23-2018 at 08:16 PM. |
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06-23-2018, 08:53 PM | #2424 (permalink) | |
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I haven't gotten the bolt yet, my pulley won't ship from Vortech until next week. I have the 3" idler pulley installed.
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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06-24-2018, 02:29 PM | #2425 (permalink) |
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I went ahead and picked up some high traction pulleys today. Where did you guys get the 3" smooth idler from for the SC side or what did y'all do instead? I thought someone just custom fit a nut in there or something that allowed the stock idler to move up further.
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06-24-2018, 03:12 PM | #2426 (permalink) | |
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Fast Intentions "Stage Seb" twin turbo #098- Specialty Z/Tial-Xonarotor/CJM/Ecutek/HKS/KW/SPL/Hotchkis/Rohana/Toyo 700+whp |
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06-25-2018, 09:50 AM | #2427 (permalink) |
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If you are going with the A2A upgrade from a stock Stillen kit and go the 9psi route you will need my kit to prevent belt slippage. You will be driving the supercharger with about 60 hp and the belt will slip. Some have been slipping at 8 psi.
The stock Nissan belt tensioner will take up the slack of going to a smaller jackshaft pulley (Stillen 9psi) but the contact area of the drive belt goes down and that will cause slip, Add in the extra load on the belt to drive the SC faster and more slip. To try and keep things simple, the serpentine belt is the main drive belt and is a long 7 rib belt that connects the crankshaft pulley to all of the other main drive pulleys (including the supercharger jackshaft). The other belt is the supercharger drive belt (small 8 rib belt) that connects the jackshaft to the supercharger. You can get to 9psi by replacing the SC pulley with a 2.95 inch pulley from Vortech (part number 2A038-295). If you go that route the drive belt tensioner will not have enough adjustment range to take up the belt slack due to the SC having a smaller diameter pulley. To fix that you will need to replace the idler pulley on the SC drive with a 76mm (Gates 36225). I'm running the 2.95 Vortech pulley along with my extra idler pulley setup and am getting close to 9.5 psi. YMMV
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06-25-2018, 12:35 PM | #2428 (permalink) |
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Great info being passed along here. Thanks guys.
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06-26-2018, 08:08 AM | #2429 (permalink) | |
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I ended up checking all idlers, 2 of them had bad bearings, 1 was atrocious and probably the reason for the noise (it was the smooth idler, not the 2 grooved ones). Could this have caused the damage with my belt or did the belt make the bearings worse? Also, since as of tomorrow I'm a Boosted Performance Snail member, the SC kit is for sale, but I'd like to replace the belt for the unknown buyer. What is the belt model? Cheers, |
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06-26-2018, 12:14 PM | #2430 (permalink) | |
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Your serpentine belt is badly damaged! Do not run it like that. All belts that I deliver are modified by cutting off one of the ribs converting an 8 rib belt to a 7 rib belt. This modification is done using custom tooling and every inch of the belt is inspected before I modify them. It looks like you had a idler pulley bearing failure that in turn damaged the belt. The SC belt is a K080220 from MAGNUSON SUPERCHARGERS GATES MIRCO-V AUX BELT REAR 8-RIB Gates K080220 [M-79-08-02-020] - $42.00 If you need another serpentine belt to replace the damaged one, PM me.
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