Ok my buddy jus bought a 95 civic hatch with a Ls motor on turbo when tryen to speed shift thru gears it boggs dwn for a sec then pulls it pulls hard jus that lil problem any ideas here's what the car has stock Ls b16 tranny rc injectors bdl throttle body greddy boost controller greddy turbo timer any pointers or thoughts would be very appreciated thanks HT

 

Oh ya and it's tuned on hondata s100

 

Anyone

 

No ideas

 

Could this be from using the wrong plugs with the wrong gap

 

your question isnt exactly clear.. it could be turbo lag or something else.. generally trouble shooting a car that im not driving is hard. even harder when its vauge. might talk to a local shop and have them take a look.

 

Ok sry jus kinda hard to explain so if we take off in first the speed shift into second it boggs / sputteres right wen u hit second then pulls normal again it does that through every gear unless u shift normal then it's ok I jus found out he's runnin irridium plugs gaped at .044 so he bought sum 7s I'm gonna gap them at .028 see if that changes anything also he has rc 550 injectors but no resistor box so not sure bout that the car is tuned so I'm sure tuner would have said something if he needed one

 

Ttt

 

You might would have had better luck posting this in the "Forced Induction" forum.

 

Anyone else

 

could be a fuel pump or filter problem.

 

X2^^

 

maybe its a stock fuel pump, and it simply isnt supplying enough fuel at lower rpms?... sounds like a fuel problem to me, but i agree, hard to diagnose without hearing the car run.

 

sounds like someone has no clue. i believe you have it backwards, if it were stock, it wouldnt get it at HIGHER RPMS.

sounds like a bad case of turbo lag to me.

 

Idk I jus did new plugs gapped em at 28/29 and at idle exhaust kinda pops also I punched it and it bogged dwn hard then pulled hit second it bogged again then pulled **** man I can't get this thing to run right

 

Turbo setup.
what ecu are you running? what tune, who tuned it, anything special pertaining to ecu
what injectors are you running? fuel pressure reg? fuel rail?
what fuel pump are you running?
what are the turbo specs? trim? Compressor? Turbine? model number?
what psi are you running? boost controller?

 

maybe the dizzy or timing is abit off.... xero has asked good stuff since its already bough built.. you must take a look at all that stuff... if your running hondata hook it up to a computer

 

^he answered almost all of those. Didnt say PSI or turbo though. Sounds to me like the blow off valve is releasing too much pressure.

 

If it is a big *** turbo it will bog. Maybe even a faulty wastegate that is opening tooo early can cause this. It it tuned for a certain amount of boost so it has to reach that....

 

Your question really is kinda vague. What size turbo is he running? It shifts fine while driving normally because the car is probably not in boost. I too think its a case of some serious turbo lag. Do you have a wideband? you're probably dumping too much fuel between shifts when in boost.

 

Maybe its blown up by now....or fixed itself. Need more info on your buddies Turbo system!

 

Lol naw it's not blown i think he now needs a resistor box there's not one there so gonna try that nxt then take it back to the tuner

 

possibly its a **** tune

 

That's my thought to lol but someone said sumtin bout the bov up there u know it's a adjustable greddy one I adjusted it to harder befor it started doin that is that really a possibility

 

sounds like a throttle enrichment prob, does it blow black smoke when u do this? if so the tip in is too rich. If not it may be to lean. Also called acceleration enrichment or throttle tip in. Thats my guess, u need a wideband to confirm. aka "**** tune" but maybe its only on the tip in. When stating the tranny u said stock ls b16 tranny, its either a ls or a b16