Search found 343 matches

by burdickjp
Wed Dec 10, 2014 4:40 am
Forum: TECH: 4A-GE ENGINE
Topic: Megasquirt coil on plug questions/ ignition questions
Replies: 12
Views: 2453

Re: Megasquirt coil on plug questions/ ignition questions

I apologize for quoting. I meant to ask the OP if he was running a new coil or not. Since he's running a 16v, there would be no clearance issues with the distributor. I've got fully sequential running on my 20v with an MS3 as well. I don't see considerable change between sequential, batch, and satur...
by burdickjp
Wed Dec 10, 2014 4:28 am
Forum: TECH: Corolla AE86
Topic: First Forum Post Ever!, my odd AE86
Replies: 19
Views: 3296

Re: First Forum Post Ever!, my odd AE86

ontourus wrote:
LongGrain wrote:Considering that the GZE is stronger plus oil squirters, im gonna stick with the GZE, plus the option to supercharger is there if I want to.


US market GZEs did not come with oil squirters, that I can recall. The only difference between the long block in an MR2 and MR2 supercharged was pistons.
by burdickjp
Tue Dec 09, 2014 6:57 pm
Forum: TECH: 4A-GE ENGINE
Topic: 4age engine swap plan
Replies: 7
Views: 1211

Re: 4age engine swap plan

thanks guys,, by the way I would like to know if I get the small port 4age, how much power would I gain if I put the complete head of the earlier blue top bigport 4age in the small port 4age? or its just a bigger cam that I need to have more power and no need to have the big port head? thanks again...
by burdickjp
Tue Dec 09, 2014 6:48 pm
Forum: TECH: 4A-GE ENGINE
Topic: Dynoed my 16v Bigport today with stock internals
Replies: 14
Views: 2442

Re: Dynoed my 16v Bigport today with stock internals

What advance were you running? Your AFRs are high in the low RPMs and level out at a rather low level, in my opinion. I shoot for0.9 lambda ( 13.25 AFR ) anything under 0.85 ( 12.5 AFR ) is too rich, and anything over 0.95 ( 14.0 AFR ) is too lean, at full load. Get that Megasquirt controlling the I...
by burdickjp
Tue Dec 09, 2014 6:40 pm
Forum: TECH: 4A-GE ENGINE
Topic: Megasquirt coil on plug questions/ ignition questions
Replies: 12
Views: 2453

Re: Megasquirt coil on plug questions/ ignition questions

On my 20v I used the 24 tooth wheel along with one of the G sensors as a crank angle sensor, then used 1zz-fe coils. I used the LED outputs to drive 3 of the coils and created a 4th output in the proto area. From there I wired up the coils in the right order and set my settings properly. Was this a...
by burdickjp
Tue Dec 09, 2014 6:51 am
Forum: TECH: Corolla AE86
Topic: First Forum Post Ever!, my odd AE86
Replies: 19
Views: 3296

Re: First Forum Post Ever!, my odd AE86

You'll be down on power compared to the naturally aspirated 4A-GEs because you've got a lower compression ratio. If I remember correctly, it's 8.0:1. If you're running carbs, that Haltech is doing almost nothing! I'd sell it and buy a microsquirt. Megasquirt hardware can run spark only very easily a...
by burdickjp
Tue Dec 09, 2014 6:45 am
Forum: TECH: 4A-GE ENGINE
Topic: 4age engine swap plan
Replies: 7
Views: 1211

Re: 4age engine swap plan

good day gurus, I am planning on having an engine swap by next year, Im hoping you guys to help me decide what version generation of 4age to replace my current 4af carb engine in my ae92 sedan. right now I am choosing between the first three generations, the blue top and red/black top (both tvis bi...
by burdickjp
Fri Dec 05, 2014 7:28 pm
Forum: Fun Talk
Topic: Practice drifting, basic car manuever skills
Replies: 10
Views: 2844

Re: Practice drifting, basic car manuever skills

Autocross?
by burdickjp
Thu Dec 04, 2014 12:30 pm
Forum: TECH: 4A-GE ENGINE
Topic: cam help
Replies: 23
Views: 4086

Re: cam help

Adjustable cam wheels are only needed if you modify the engine with more compression and bigger cams. Then it's up to you to do the cam tuning to get the best out of the engine ;) Adjustable cam gears are necessary if the distance between the camshaft axis and crankshaft axis has changed, or if the...
by burdickjp
Sat Nov 29, 2014 11:42 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

Yes you can change ITB runner length easily but you could do the same with a mani with spacer plates. You can get quite a bit more range of length with ITBs than a manifold and the iteration process is much easier. A big disadvantage to ITBs with many engines is the bore pitch never lines up with t...
by burdickjp
Sat Nov 29, 2014 11:25 am
Forum: TECH: 4A-GE ENGINE
Topic: Fitment issues with Tweak'd 20v to SR5 harness
Replies: 6
Views: 1411

Re: Fitment issues with Tweak'd 20v to SR5 harness

So after 2.5 years I finally have some time to put the car back together. I have assembled the Blacktop and am installing the brand new (sitting in the box for 2 years) Tweak'd harness and fitment is not at all what I expected. The way the harness is divided and directed doesn't really line up with...
by burdickjp
Sat Nov 29, 2014 7:47 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

I would probably do a custom mani with single TB if only so I could beat on all the posers with ITBs and not the other proper supporting mods. But at that point ITBs are about as practical a next step. The benefits of ITBs require quite a lot of testing and tuning. If that's available they can prov...
by burdickjp
Fri Nov 28, 2014 8:16 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

stock to stock there is a tiny difference in the low rpm power band, but for all the possible gains... there are far greater chances of problems because you mixed - smallport head on largeport electronics, and smallport to largeport adapter so you can run the stock intake manifold (smallport never ...
by burdickjp
Fri Nov 28, 2014 9:09 am
Forum: TECH: 4A-GE ENGINE
Topic: Interpreting graphs (I should have listened at school)...
Replies: 3
Views: 1021

Re: Interpreting graphs (I should have listened at school)..

I think you can go into TunerStudio and pick RPMDOT as a value to log. Then it'll be in the log files that TunerStudio spits out. Or you can open your logs in a spreadsheet program or Python scripts or whatever and calculate RPM dot from your RPM values and time step.
by burdickjp
Mon Nov 24, 2014 9:22 pm
Forum: TECH: 4A-GE ENGINE
Topic: Interpreting graphs (I should have listened at school)...
Replies: 3
Views: 1021

Re: Interpreting graphs (I should have listened at school)..

That looks like megalogviewer. You can log angular acceleration with respect to time, which is proportional to torque. Look for RPMDOT or something like that. It'll look something like this: http://i170.photobucket.com/albums/u279/killer_siller/AE8620v-VVTComparison-RPMdot_zps70d1ea52.png You will b...
by burdickjp
Sun Nov 23, 2014 8:08 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

If you mean aftermarket ECUs in general, then what about a chipped Honda ECU? I know I bring it up a lot, but that's mostly because I'm seriously re-thinking about going that route for my 4A-GE. My introduction to tuning was with Hondas and I am a Neptune dealer. While going the OBD-1 Honda route w...
by burdickjp
Sat Nov 22, 2014 5:39 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

There are plenty of other sizes available I was just pointing out sizes that were commonly used and readily available. They are also small enough to not have any issues with idling or atomization. Why bother when the 16v 4A head is provisioned for top feed injectors and there are bunches upon bunch...
by burdickjp
Sat Nov 22, 2014 11:30 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

There are a ton of options for side feeds from OEM replacements like 380 and 440 all the way up to aftermarket in the 1000cc range. What do you mean about external vacuum routing? 380cc injectors are rather large for an N/A 4A-G, and with larger than necessary injectors comes disadvantages with inj...
by burdickjp
Sat Nov 22, 2014 7:53 am
Forum: Inline 6's and V8's (JZ, G, UZ etc...) and Big Sedans Parts and Accessories
Topic: DIYAutoTune MSPNP Pro 2JZ $1200
Replies: 4
Views: 2954

DIYAutoTune MSPNP Pro 2JZ $1200

Brand new MSPNP Pro for the USDM Supra and SC300 manual transmission cars. This is a plug-and-play ECU which uses awesome MS3-Pro hardware and comes with registered versions of TunerStudio and MegaLogViewer. http://i170.photobucket.com/albums/u279/killer_siller/IMG_20141121_181906_zps7ce082e6.jpg ht...
by burdickjp
Fri Nov 21, 2014 8:04 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

Dan is normally in favor of attaching the entire 20v intake manifold to the 16V head with some form of an adapter. That I understand it, the perceived advantages for this are that it is all-inclusive. I am not a fan of the 20v intake manifold for a number of reasons: - It uses side feed injectors, m...
by burdickjp
Tue Nov 18, 2014 8:00 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

I'll have to concur. I think it's been a somewhat productive, if meandering, conversation. While I don't think it's been good for this specific thread, it may be productive overall. To get back on track; there is something which above 16v PonCam dyno shows which I find very appealing, and that's a r...
by burdickjp
Tue Nov 18, 2014 11:15 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

The dyno should show a loss... not a gain. The dyno is recording torque at the wheels. The drivetrain multiplies torque depending on the chosen gear. That is why you accelerate faster in lower gears. It's torque multiplication. A properly set up dyno will know the engine speed to roller speed ratio...
by burdickjp
Tue Nov 18, 2014 7:58 am
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

yoshimitsuspeed wrote:On the website they say it's an N2 spec car with an FA motor so I never know what to call it.


Call it an unreliable source.
by burdickjp
Mon Nov 17, 2014 1:58 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

Sadly no I am not but I say that because the only people I don't get in this argument with are physicists and engineers. They either say "yup you are right". Or "well duh, you don't need to be a physicist or engineer to realize that". But apparently you do. I just checked. My re...
by burdickjp
Sun Nov 16, 2014 11:46 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

Maybe an inverse example would be helpful: you can have power without acceleration. Steady state dynomometers, for instance, absorb energy from the engine they are testing. The engine does work on the dyno. With these specific dynos, load and RPM are independent. The absorber can change the amount o...
by burdickjp
Sun Nov 16, 2014 11:07 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

This would be no different with power. You would need the graph to have torque and RPM to make it of any use and once you have those two things you have everything you need to determine power. You could look at either torque or power and know just as much. Any way you cut it I am not talking about ...
by burdickjp
Sun Nov 16, 2014 8:56 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

This makes no sense. I know that some tuners prefer to look at torque but there is nothing better or easier about it. A 10% increase in torque at 3000 RPM will equal a 10% increase in power at 3000 RPM. How would a 10% increase in tq be more obvious than a 10% increase in power? If you put on 100mm...
by burdickjp
Sun Nov 16, 2014 4:34 pm
Forum: TECH: 4A-GE ENGINE
Topic: N/A Build! Need Assistance
Replies: 129
Views: 18719

Re: N/A Build! Need Assistance

Torque should not be measured at the wheels. This is the whole problem and one reason why I ignore torque curves on dynos because they are usually BS. If you took that torque graph and calculated it by the gear ratio it could give you torque at the crank which is what would matter in regards to det...

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