Those of you with TRs in the high to mid 10's

[d0n_3d]

How many people do we have here that drive their high to mid 10-second TRs mostly on the street? My plan is to build up my car using another stock block motor and keeping my current stock untouched motor as a spare...build up the race block to run high to mid 10's...but yet drive it 95% on the street? I am not caging the car or anything like that because I am not gonna race it at the track all the time and my track is an independent track so their rules are very very few...

Say with a PT67 turbo, PTE front-mount intercooler, 57 lb/hr high impedence injectors, ls1 maf sensor/translator setup with extender chip, PTS 9/11 3500 stall with lockup, stock block bored .30 over, TRW pistons, ported and polished stock iron heads, 206/206 cam, 10/10 stock crank, and a fresh rebuilt 200-4 tranny...can i drive such a combo consistantly on the street without worry? granted i am only going to drive the car on nice days and won't be putting 1000 miles a week on the thing...but like i said i will be driving this thing mostly on the street...this won't hurt anything will it? i didn't think it would...but would like to get comments from other people...

 

[GNracerX]

Might I suggest bigger injectors? I'd rather have enough fuel then max out D.C. on those 57#'s.

 

[d0n_3d]

Originally posted by GNracerX
Might I suggest bigger injectors? I'd rather have enough fuel then max out D.C. on those 57#'s.

the way i saw it...these injectors would be plenty for my combo

 

[86brick]

Originally posted by d0n_3d
the way i saw it...these injectors would be plenty for my combo

I don't know how you saw it considering that turbo is good for an honest 750-800fwhp, but Pat at PTE told my dad you need at least 65lb injectors with that turbo to be on the safe side when you turn the boost up, but he suggested 72lb or 75lb injectors......

Also, for 10's you will need a double pumper from Red or ATR to be on the safe side unless you want to try and push the 340 Walbro.......

I would also suggest a good size tranny cooler for driving it on the street much with a 3500 stall converter (heat will kill a tranny).......

 

[d0n_3d]

well i already have the largest tranny cooler b+m makes...and yes i forgot to mention that i was considering a double pumper...as for the injectors i have no idea what i should do...guess since the larger injectors are the same price and it only costs $150 for an ecm mod...guess i will go with larger injectors like 72's maybe even 83's

 

[Blown&Injected]

Although I do not have experience with alcy, you might consider it because you will probably need something to keep the KR down with a solid 10 second tune - maybe something for the bottom end just to firm thing up a bit steel caps and or a girdle.

Other than keeping an eye on the KR, I see no reason why it should be a problem to even make it a hi-mile daily driver.

 

[Lee Thompson]

10

With 55 inj, a 66 turbo and a big shot of methanol, I can run high 10/s and I drive my car on the street. I would go with 72 inj. as I am at 100 duty cycle.

 

[John Larkin]

posted by 86brick

Also, for 10's you will need a double pumper from Red or ATR to be on the safe side unless you want to try and push the 340 Walbro.......

How is that double pumper working out for you? I am planning on building one.

 

[TurboJim]

Thats exactly my plan Don. I wanna click off a couple 10's, and just enjoy the car. You know, cruise nights, car shows etc. Theres just too much $ invested to destroy it, and to be honest, this is the last power mod I'll be doing to the car as I am out of cash

Since you wont be running 116 all the time while on the street, unless you're running open loop, or a FAST, you wont be set on kill at all times, so 57's should be fine if you bought them already.

My plan is 100 octane from a local station for street duty and those couple passes down the track to put 112 or 116 in it. I could run leaded at all times I guess as I am running a FAST, but dont wanna chance ruining the $300+ sensor.

My combo is similar but with more heads/cam and I guess a little less turbo. Girdled 109, roller valvetrain w/214-210 cam, big valve PP heads, ported intake, , headers, TE63-1, ext gate, 65's and a FAST

I should have the equip to click off at LEAST a 10.9999999999, but it will see 99% street duty

BTW: What did you find on the oil sprayed all over your motor? Was it the intake after all?

 

[d0n_3d]

yup it sure was...i totally blew up the intake manifold gasket trying to race a Z06 on the highway at 27 psi

that's why all this time (over a year) my car was running PIG rich at idle...when i pulled the downpipe and turbo off just recently the exhaust side of the turbo was completely black and so was the insides of the downpipe...yuck...puke black rich my car was...talk about a vacuum leak with the intake gasket!

i have a dual nozzle SMC alky kit already so octane on the street is not a problem for me...hell from the sounds of it i can run 20 psi on straight 93 octane when i get this thing built up...but yeah i don't want to run my car all the time...it's going to be street driven mostly...like i said i figured it wouldn't be a problem...i have a huge tranny cooler to counter the heat of a 3500 stall, not to mention the tranny is completely rebuilt with a billet forward drum, shift kit, hardened stator pump...etc.

i haven't bought anything yet...just trying to piece together the right combo...maybe i will go 72 lb injectors just to make sure i have enough...they cost the same as the 57's but will need that $150 modified ecm...no big deal i guess since i am already spending 5-6 grand!!!

 

[Epitome]

I have run mostly leaded fuel for the last 3 years and my original install wideband O2 that came with my felpro is still working perfectly. I wouldn't be afraid of leaded fuel with one. The important point about this is that I have a bone stock short block car that ran 10.57@127mph on 25lbs of boost and haven't popped a head gasket yet. I usually run no more than 20lbs on the street, but only only on 114 octane, so I have a little extra if I want it. I have run a best of 11.43 on 94 octane with 18* timing (instead of 24-26)and 18 lbs of boost, but I only use the good stuff in it now unless I am driving it long distances. My goal was to build a mid 10s capable combo that could be backed off and live on lower boost on the street, which is exactly what I have. Don't expect the stock posi and axels to live for very long with the 60' times it will take to run 10s. I know some people have had good luck, but I didn't. I have no experience with alcohol, so you'll have to decide on that on your own

 

[wants a tr]

i think your going down the right path...i wouldnt buy a translator unless you had too. Also on the converter a 3200 will do just fine..

Remember when i told you about my adventure...get ready urs is starting...

$$$$$$$$$$$$$$

 

[Louie L.]

72 are the way to go. I dont have any experience with 65s although on paper they would be adequate. 72s will provide the most cushion. Im running my 72s into the ten teens- high 9s and have just started hitting 86-90% DC.

 

[aperrego]

If you go with the 67 dont forget to order an IAC relocator or "The BOss" which turns the IAC adapter 45 deg.. The 4 Inlet does not accomodate the space..

 

[86brick]

Originally posted by John Larkin
posted by 86brick


How is that double pumper working out for you? I am planning on building one.

John, I don't have a double pumper on my car (I have a hotwired 340 Walbro), but we do have an ATR double pumper on my dad's car and it has worked very well so far..... The double pumper setup has proven to be good enough for several 9 second full weight cars which tells me it can support at least 900-1000fwhp!

 

[turbosam6]

If you think you're going to do this for 5 or 6 grand, guess again. Especially if you're going to get another motor to build. You'll spend 4 grand alone on the short block, another grand on the turbo, then you still have heads, fuel pumps, etc.

Get the 72 or 75 pound injectors, trust me. Better safe than sorry. I had 50's pushing 110% + dc last year when I went 120 in the quarter, now my 75's are about perfect. Like Louie said.

 

[John Larkin]

Thanks 86. I hear external sumped is the way to go but if there are proven combos out there that aren't, then there must be more than one way to skin a cat. At what psi does he bring it in at? Just trying to establish a baseline.

 

[86brick]

Originally posted by John Larkin
Thanks 86. I hear external sumped is the way to go but if there are proven combos out there that aren't, then there must be more than one way to skin a cat. At what psi does he bring it in at? Just trying to establish a baseline.

The second pump comes on at 12lbs of boost.......

 

[soonergn]

FWIW, a friend of mine went 10.30's with 55's and was told by Red Armstrong that he was on the edge of needing to upgrade. With that said, high to mid 10's would seem no problem for 57's unless somewhere down the road you may want to go faster, then I'd say buy bigger ones so you only have to buy once. It's probably a good question for the experts, which I am not one.

 

[86brick]

Originally posted by soonergn
FWIW, a friend of mine went 10.30's with 55's and was told by Red Armstrong that he was on the edge of needing to upgrade. With that said, high to mid 10's would seem no problem for 57's unless somewhere down the road you may want to go faster, then I'd say buy bigger ones so you only have to buy once. It's probably a good question for the experts, which I am not one.

Yeah there's a guy down here named Orlando that ran 10.40's @131mph with 55's in his 3550+lb GN and if my memory serves me correct when he checked his DS he was at 110 or maybe even 120% duty cycle!!! You can push them just like you could try and push a single 340 Walbro, but IMO it's better to be safe than sorry...... It's much cheaper to go with bigger injectors than it is to fix a blown HG or worse rebuild your motor!