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Search: Posts Made By: Marc 85Z28
Showing results 1 to 50 of 498
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Forum: Theoretical and Street Racing
11-08-2018, 03:30 PM
Replies: 95
Views: 8,088
Posted By Marc 85Z28

Re: BETTER HAVE A PRETTY HEALTHY CAR IF YOU CHALLENGE THAT...KIA???

Try a more realistic perspective: Most 3rd gen F-bodies are at that 30 year mark of yours, and they made millions of them. They're scarce now, and I'd wager the vast majority have rotted away, been...
Forum: Power Adders
10-08-2018, 08:53 AM
Replies: 250
Views: 23,354
Posted By Marc 85Z28

Re: C2YT's Turbo 4.8l LSX Swap

:lol:

I'm glad to see that you're incapable of adequately rebutting my response. You reiterated what I already said: your "math" is a farce, and it's nice that we agree on that (although I doubt...
Forum: Power Adders
10-07-2018, 09:55 AM
Replies: 250
Views: 23,354
Posted By Marc 85Z28

Re: C2YT's Turbo 4.8l LSX Swap

WTF is this?

You speak like an engineer, and in my world, that's a bad thing. Guys like you just cannot see past the numbers.

How can you preach equations when you have less than half the...
Forum: Power Adders
10-05-2018, 11:37 AM
Replies: 250
Views: 23,354
Posted By Marc 85Z28

Re: C2YT's Turbo 4.8l LSX Swap

What? :lol:

My L33 (140K miles, stock heads/cam/springs; untouched longblock) made 510rwhp at 10psi through a TH400 and a 12 bolt.
Forum: LTX and LSX
08-06-2017, 10:53 AM
Replies: 54
Views: 3,345
Posted By Marc 85Z28

Re: Spending money too fast....LS swap

You'll probably eclipse that power goal. I wouldn't be surprised to see 390-400rwhp from the engine.

Act fast:
https://ls1tech.com/forums/parts-wanted/1876534-iso-ls-t56.html#post19693735
Forum: LTX and LSX
06-09-2017, 12:58 PM
Replies: 142
Views: 35,111
Posted By Marc 85Z28

Re: LS7 Swap Into An '86 IROC Z28

Wrong.
Forum: LTX and LSX
05-30-2017, 03:32 PM
Replies: 142
Views: 35,111
Posted By Marc 85Z28

Re: LS7 Swap Into An '86 IROC Z28

No need to throw around your degree. It is painfully obvious that you're an engineer without a clue how the real world works.



I have real world experience. You have some numbers on a piece...
Forum: LTX and LSX
05-29-2017, 03:26 PM
Replies: 142
Views: 35,111
Posted By Marc 85Z28

Re: LS7 Swap Into An '86 IROC Z28

A 4L80E with a GV is going to kill that LS7. Not only is the car going to be a pig but that driveline is going to eat a ton of power. What you are trying to do is foolish. Stick the 4L80E in with...
Forum: LTX and LSX
09-19-2016, 02:03 PM
Replies: 6
Views: 559
Posted By Marc 85Z28

Re: ls question.

The 2015 Silverado 5.3 is a Gen V engine. It is not an LS based engine. The mounts (locations) are different.
Forum: LTX and LSX
09-17-2016, 07:19 AM
Replies: 33
Views: 1,519
Posted By Marc 85Z28

Re: New help for cheap turbo LSx builds

Threads like these make me wish the Non-Tech board was still around.
Forum: LTX and LSX
08-29-2016, 05:42 PM
Replies: 52
Views: 8,987
Posted By Marc 85Z28

Re: 305 T5 to Turbo LM7 5.3 swap and build

Just get the small 216/220 TrickFlow cam and a set of PAC 1218s. Less than $400 total, uses stock retainers and pushrods, excellent driveability with a slight lope, and it will make ~100HP more than...
Forum: LTX and LSX
11-12-2015, 02:23 PM
Replies: 14
Views: 1,197
Posted By Marc 85Z28

Re: LS1 price

If you need to go through the engine you're better off with a later 99+ engine. Avoid the 98 unless you can get it cheap, it doesn't need much work, and you don't mind a few headaches.
Forum: LTX and LSX
09-13-2015, 09:43 AM
Replies: 5
Views: 1,451
Posted By Marc 85Z28

Re: 4th gen tank plumbing questions

Don't both wasting money on the AN garbage. Too much expense and headache. Factory style nylon lines are more than adequate. I used the Dorman kit and did my entire fuel system for just over $100.
Forum: LTX and LSX
03-20-2015, 10:25 AM
Replies: 46
Views: 8,391
Posted By Marc 85Z28

Re: LS Build...need TGO expert advice

For a light car, this is wrong. Why build power in an RPM range that the right torque converter for the application will prevent you from using? Power under the curve has it merits, but the OP...
Forum: Suspension and Chassis
03-11-2015, 10:28 AM
Replies: 25
Views: 11,348
Posted By Marc 85Z28

Re: Tubular K-Member or Stock Kmember for LS Swap

Aircraft are subjected to different types of loads. Furthermore, the CM is normalized before going into service, and many types of repairs/welding in the field are prohibited. And rather than...
Forum: LTX and LSX
03-05-2015, 03:17 PM
Replies: 46
Views: 8,391
Posted By Marc 85Z28

Re: LS Build...need TGO expert advice

If you INSIST on the small bore with the square ports, and you want 500hp (crank?) and daily driver type drivability, I would STRONGLY recommend Lunati's 60516...
Forum: LTX and LSX
02-28-2015, 10:10 AM
Replies: 127
Views: 83,246
Posted By Marc 85Z28

Re: How-To: Modify LS1 Fuel Sender for 0-90 Ohm Use

What? Click the link!
Forum: LTX and LSX
02-27-2015, 03:12 PM
Replies: 46
Views: 8,391
Posted By Marc 85Z28

Re: LS Build...need TGO expert advice

Nobody?! Do you own a mirror?

They ONLY way you're going to get 427 cubic inches from a 4.0" bore is with a 4.250" crank which requires a tall deck or sleeved block. You have neither. If you...
Forum: LTX and LSX
02-26-2015, 11:13 AM
Replies: 46
Views: 8,391
Posted By Marc 85Z28

Re: LS Build...need TGO expert advice

The square ports are superior, I won't argue that. But they don't work well in a 4" bore application. Go .030"-.060" over and things change. Furthermore the milling required to achieve a decent...
Forum: LTX and LSX
02-24-2015, 11:56 AM
Replies: 46
Views: 8,391
Posted By Marc 85Z28

Re: LS Build...need TGO expert advice

I disagree, completely.

LQ9 with stock thickness gaskets and 243 heads will yield a compression ratio close to 11.1:1 which will work great on pump gas with all but the most aggressive of...
Forum: Engine/Drivetrain/Suspension Wanted
02-15-2015, 07:05 PM
Replies: 11
Views: 432
Posted By Marc 85Z28

Re: looking for Performer rpm or air gap manifold

I have an Edelbrock Performer RPM QJet intake, PN 7104.

Send me a PM if you're interested.

PS - A Performer RPM will not fit under a stock hood with any type of adapter or spacer.
Forum: Suspension and Chassis
02-15-2015, 08:42 AM
Replies: 23
Views: 10,843
Posted By Marc 85Z28

Re: 88 Iroc on Corvette rolling chassis?

http://www.speedhunters.com/wp-content/uploads/2014/08/DSC7089-1200x798.jpg

What a disaster. Look at the body lines. Cambird Z06? No. It's the Blue Banana.
Forum: Suspension and Chassis
02-08-2015, 09:02 AM
Replies: 16
Views: 2,361
Posted By Marc 85Z28

Re: Alignment issues after full front rebuild

The 10 bolt in my both of my S10s (88 and 89) are/were straight as an arrow. The 10 bolt in my Camaro s (85 and 91) are/were straight as an arrow. The 10 bolt in my Trans Am is straight as an...
Forum: Suspension and Chassis
02-07-2015, 12:45 PM
Replies: 16
Views: 2,361
Posted By Marc 85Z28

Re: Alignment issues after full front rebuild

What "others" are you speaking of? I've yet to come across a solid rear axle car with measurements that far off that didn't have a problem.

Furthermore, an axle replacement (if necessary) will...
Forum: Suspension and Chassis
02-07-2015, 12:37 PM
Replies: 23
Views: 10,843
Posted By Marc 85Z28

Re: 88 Iroc on Corvette rolling chassis?

It would take about the same amount of effort as building a time machine. The time machine would be a great venture, and besides being far more practical than a Cor-maro, you could speak to the OP...
Forum: Suspension and Chassis
02-04-2015, 08:54 PM
Replies: 16
Views: 2,361
Posted By Marc 85Z28

Re: Alignment issues after full front rebuild

Good advice above, but talk about missing the obvious. Fix your rear axle FIRST. Have you ever gone off-roading or hit a curb?
Forum: Transmissions and Drivetrain
01-29-2015, 07:20 PM
Replies: 38
Views: 21,428
Posted By Marc 85Z28

Re: installed a high stall not impressed

While Circle D has a good reputation, you will be disappointed with that converter. 11 and 12" units are crap. They do nothing but lose efficiency and create excessive heat. You want a 258mm...
Forum: Transmissions and Drivetrain
09-07-2014, 06:44 PM
Replies: 39
Views: 2,398
Posted By Marc 85Z28

Re: New idea HD axle swap cheap

The pinion diameter isn't the weak point.
Forum: Transmissions and Drivetrain
09-02-2014, 10:16 AM
Replies: 39
Views: 2,398
Posted By Marc 85Z28

Re: New idea HD axle swap cheap

:crazy: :lol:

9" rears are supporting more than 1500whp in cars capable of 6 and 7 second quarter mile ETs. They're more than strong enough.



HD F150s... Just another one of Ford's goofy...
Forum: Transmissions and Drivetrain
08-31-2014, 11:25 AM
Replies: 39
Views: 2,398
Posted By Marc 85Z28

Re: New idea HD axle swap cheap

Super Duty F250s are 8 lug, HD F150s are 7 lug, and the VERY rare non SD F250s are 7 lug. You want to look for 5.4L 97-classic 04 F150 and pre-03 Exp/Nav for the 5 lug.

You won't save weight with...
Forum: Theoretical and Street Racing
08-28-2014, 08:55 AM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

Put the video back up.



Yeah? That's the thread title. What does your post have to do with ANYTHING I've said so far in this thread? Furthermore, why tell me all about your beloved Fucus...
Forum: Theoretical and Street Racing
08-26-2014, 05:41 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

What does this have to do with a POS Titan and it's delusional owner?

Edit: OMFG, he DELETED his video of the 11+ second 65-100 run completely off of YouTube out of sheer embarassment. I KNEW I...
Forum: Theoretical and Street Racing
08-25-2014, 08:16 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

I'm not quoting that video. 11+ seconds to go 65-100. What did this piece of **** dyno again? I've driven U-haul box trucks that would outrun you. My 160HP S10 runs better than that! :lmao: Just...
Forum: Exhaust
08-13-2014, 08:19 AM
Replies: 24
Views: 18,102
Posted By Marc 85Z28

Re: A discussion of dual vs single exhaust

I had both the Spintech dual in and the Flowmaster single in/out Mufflex systems. The Spintech with tailpipes was ridiculously heavy. The 4" Flowmaster muffler is lighter, and so is the single...
Forum: Transmissions and Drivetrain
08-12-2014, 03:09 PM
Replies: 9
Views: 8,616
Posted By Marc 85Z28

Re: s10 blazer rear end?

The complete rear axle will not work. The ring&pinion can be swapped, along with the carrier if the spline count is correct. Some S10s did come with 3.73 gears and limited slip differentials, but...
Forum: Exhaust
08-12-2014, 02:59 PM
Replies: 24
Views: 18,102
Posted By Marc 85Z28

Re: A discussion of dual vs single exhaust

I've had several different 3" single setups, a 4" single, and 3" duals. All the 3" single systems from a cheap Hooker to a very expensive Corsa were restrictive and sounded awful - like ALL single...
Forum: Suspension and Chassis
08-12-2014, 10:23 AM
Replies: 4
Views: 928
Posted By Marc 85Z28

Re: ball joint install help.

If it starts to go crooked hit the clamp HARD with a heavy mallet.
Forum: Aftermarket Product Review
08-06-2014, 11:37 AM
Replies: 32
Views: 7,992
Posted By Marc 85Z28

Re: Sphon K Member for power steering

Chromoly does not belong on the street. And if you're looking to drop weight with a K-member and A-arms, UMI and Spohn are the LAST companies you should be looking at!
Forum: LTX and LSX
08-02-2014, 11:22 AM
Replies: 31
Views: 4,242
Posted By Marc 85Z28

Re: K-member Selection

PA Racing. Lightest, cheapest (even with the recent price increase), and best fitment. The only caveat is although they advertise that the factory A-arms will fit, they don't tell you the absurd...
Forum: Theoretical and Street Racing
07-28-2014, 07:56 PM
Replies: 51
Views: 3,506
Posted By Marc 85Z28

Re: I beat a 540i BEEMER

No.



:crazy:
Forum: Theoretical and Street Racing
07-11-2014, 02:48 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

:lol: :thumbsup:

Told you the torque was BS.

Fast355: "But but but, it's a VK with NOS!!!"
Forum: Transmissions and Drivetrain
07-04-2014, 01:57 PM
Replies: 13
Views: 1,327
Posted By Marc 85Z28

Re: Anyone ever use jasper engines?

I installed one in my Z28 around 15 years ago. $1500 bought a "Class 1" 357", 4 bolt main 010 block, .040" over Speed Pros, factory forged steel crank, World Product heads, and a Summit Racing...
Forum: Aftermarket Product Review
06-30-2014, 10:22 AM
Replies: 98
Views: 31,408
Posted By Marc 85Z28

Re: Aftermarket K-member

I didn't see any discussion about the UMI road race K-member. The "road race" versions are designed for additional strength. It would be counterproductive to offer a heavily braced design with a...
Forum: Aftermarket Product Review
06-28-2014, 03:41 PM
Replies: 98
Views: 31,408
Posted By Marc 85Z28

Re: Aftermarket K-member

Re-engineered? Have you shopped an aftermarket K-member? Nearly EVERY company offers them in chromoly. They're for strip use ONLY.
Forum: Theoretical and Street Racing
06-17-2014, 02:39 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

I have no problem with that. That's a significant difference in torque, a higher RPM peak, AND more compression.



It's not the direct injection that improves the torque, it's the compression. ...
Forum: Theoretical and Street Racing
06-17-2014, 01:18 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

The variable cam timing and variable intake lengths that are found in modern OHC engines are there for a reason: lack of low end torque. They're band-aids for an inherent design flaw. Even a well...
Forum: Theoretical and Street Racing
06-17-2014, 08:50 AM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

They make what...350 lb/ft at the wheels stock? Bolt-ons and tuning will NEVER account for another 80 lb/ft at low engine speed, period. That kind of torque is only found with boost, or more...
Forum: Theoretical and Street Racing
06-17-2014, 05:41 AM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

Must be the computer designed exhaust manifolds :rolleyes::lol:

Look... I don't care what magic converter it has, or the variable length intake runners, or it's fuel delivery method. All I need...
Forum: Theoretical and Street Racing
06-16-2014, 07:53 PM
Replies: 2,169
Views: 113,043
Posted By Marc 85Z28

Re: why do honda/import "tuner" people think their stuff is fast

Some of us are just being realistic. Our cars were built in the automotive dark ages. They had everything going against them, and while they were acceptable for the day, consider the standards of...
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