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Scottydoggs · Jun 17, 2017

had a local here by me who had 8-11º kr no matter what i did to the tune, then found it had kr in park revved up. and no kr driven with no sc belt or revved in park

. he went to a gen 5 blower and no more kr.

and no, we didnt hear a damn thing inside the blower car running, but once it was off the engine you could see and feel the play.

GTPpower · Jun 17, 2017

Scottydoggs said:
if you read any of anything, this is in park, revving it. tq is not a issue here dummy. a bad blower is. cause your not making any boost revving it in park are ya?

You should make boost in park if you rev it fast enough. If a turbo car will make boost in park, why wouldn't an m90.

Also, don't take everything as a personal insult. You are not the king know it all with these cars and neither am I. Put your ego aside and try to play nice.

GTPpower · Jun 17, 2017

Sounds to me exactly like he had a bad coupler.

Scottydoggs · Jun 17, 2017

or a beat up blower. you cant make more then a pound or 2 in park, cause theres no load on it, so no boost. turbo,,,,,its not the same thing.

never seen a coupler cause kr.

being this guys on 116 fuel and has kr in park, id lean towards a bad blower. time to find another one. can you upgrade to a gen 5? thats like a pulley upgrade. should get a pound or 2 more from it.

GTPpower · Jun 18, 2017

Loose couplers can cause kr. Just like loose bearings. I'm just suggesting the cheaper and easier possible solution.

If you can only build a couple pounds of boost in park, you have problems. And, you're right. A turbo car is different. It will build less boost in park due to lag.

vicg · Jun 18, 2017

can not upgrade
what is a coupers???????
if i take the belt can i feel it in the pulley?????

Scottydoggs · Jun 18, 2017

its the wearable part in the snout between the snout and rotor gears, 50 dollar fix, take sc belt off, snap the pulley left and right feeling for a click or slop or play when snapped back the other way.

if thats tight feeling its the blower bearings for sure.

vicg · Jun 18, 2017

ok i will try that
i can i make more boost
i know how to on a tubro
not on a supercharger

Scottydoggs · Jun 18, 2017

you cant make more, you can only loose boost if you install headers. smaller sc pulleys add boost, nothing else.

Slick2500 · Jun 18, 2017

Running the od balancer is the only way you can make more boost without swapping the super charger pulley.

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vicg · Jun 19, 2017

what is an od balancer
the pulley on the supercharger has no movement

GTPpower · Jun 19, 2017

Overdrive balancer. We were talking about it a few pages ago.

Slick2500 · Jun 19, 2017

SgtMarshal said:
http://intense-racing.com/Merchant2...roduct_Code=3800-POW-SS&Category_Code=3800_BE

http://intense-racing.com/Merchant2...IR&Product_Code=ATI-xxx&Category_Code=3800_BE

https://zzperformance.com/3800/engine/oil-neck-spacer.html

These are what we are talking about. Adding an overdrive balancer to a stock car is roughly equivalent to adding a 3.7" pulley to the supercharger.
If you do go with the od balancer I highly recommend that you get the oil neck spacer, on my 97 I had maybe 3mm between the balancer and the oil filter housing, I even had to dent my oil filter to keep it from hitting the balancer. On my 2001 the balancer hit the oil filter housing so I had to use the adapter on that.

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vicg · Jun 21, 2017

i need how to make car go faster???
need help
i want to run NHRA a/fs which is a 13.85 index

Scottydoggs · Jun 21, 2017

dont think you'll make it that fast with the restrictions on you. your looking at a mid 14's car likely with no mods other then a tune.

Fivefingerdeathpunch · Jun 21, 2017

Remove 1,000lbs.

No way a stock 3.8 pulley full weight car will ever run 13.85 unless it's a 15% downhil grade with a 40mph tail wind.

Slick2500 · Jun 21, 2017

Swiss cheese mod.

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rickisrad · Jun 21, 2017

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