Fly-Cutting for BIG CAM!! || Flex Fuel VE Back for More!

The Flex Fuel N/A VE SS is BACK, we do our best to fix this combo with a decent cam and some more compression. To do so we need to fly-cut the standard pistons for valve clearance.
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[@BoostGumps]

Just to clear a few things up as I wasn't clear enough in the video about this: These heads are Warspeed/Higgins CNC ported heads, but are obviously not heads that were completed or would have even been recommended by Warspeed for this application. There is nothing wrong with the heads at all, they are just not necessarily the best suited for an Aspirated SBE combo on E85, this is not a reflection of Warspeed, OR Higgins in any way. In a boosted or Stroked application where compression is not limited by a stock Piston these heads would be some of the best performing heads you could get your hands on. It is obvious that these heads were never done with the intention of being bolted onto a Stock Bottom End. Warspeed and Higgins both are possibly the two most well respected businesses in the performance industry, especially here in AUS. Being involved in the industry and understanding this makes it pretty obvious to us while we are filming that the issues with this combo are no reflection on these two businesses at all. But for those watching that aren't involved they may get the wrong idea, we should have been a little more careful to explain this in the footage.

[@grahamerosewarne6656]

That's the problem with dealing with someone's else's engine build. Awesome knowledge and content. Keep up with the great work.👋👍🇦🇺💯

[@jasonhorvath4272]

Should Make all your videos this informative. Excellent video well done 👍

[@BoostGumps]

For a long time they were, then people would complain about me talking too much. With this format Im hoping I can get away with being this informative without the content being totally dry!

[@datdom34]

@@BoostGumps Is all good Max!

[@gtools9137]

Awesome vid guys thanks. I think I have learned more from this than any of the other LS engine upgrade video.

[@bradpatterson1949]

I wish all tuners and mechanics where as in love with there work.. top votes guys

[@TheMontyhsv]

awesome content as always,very informative.keep doing this!

[@nickgrech9634]

Super informative and educational video! You guys must know heaps!!

[@JFWGarage]

Great video, great format and heaps of great and helpful information. Great work guys!! Keen for Barra wagon video 🤘🏻

[@ezmny1387]

i would never expect exceptional results from off the shelf cams

[@Low760]

Great episode, got me subscribed because of the detail.

[@mrsabidji]

Very interesting video, thanks. And yes, the coffee was great. ☕😎

[@datdom34]

Good

[@mrsabidji]

@@datdom34 Indeed. I hope your coffee was to your liking as well. 😁

[@cars3800]

This way of filming is "on song" keep up the great content 👍👍

[@jjjjjj9284]

You guys are right about the converters, unless they have a hi carbon lockup clutch etc in them bugger locking them on the rollers, CircleD in tbe US make beautiful converters that are very high quality and I've used them

[@finlay230]

interesting build, love the voice over style of vid !!!

[@undy22]

wow what a good video ,so much info I love it!!!!!!!!!!!

[@TurismoVZ]

large deburring bit will give you a better even finish on those cam plates rater than the old die grinder, saves a ton of time. keep up the good work boys ... need to get my 355 R31 done😥

[@michaelboyd9215]

Ripper vid, do this all the time 👍👍

[@nickgrech9634]

What a rig!

[@michaelsmall8993]

Very interesting

[@Brendan.Wheatley]

I think the power it's making on a stock bottom end is quite good, considering the cost to replace the rotating/reciprocating assembly with after market offerings! Thanks for another very informative video and this format was great!

[@TurboHDT]

rubbish the heads are to big for it lost all its air speed big ports need big compression and a lot of things done right, i make 470 on a stock bottem end l77 and stock heads just a bit of porting here and there lLT1 7/8, full 3", otr, cam on 98 on my 2012 HDT G3 VE. if you want hp send it to someone who has a clue its that simple

[@BoostGumps]

@@TurboHDT compression and ports have nothing to do with each other.

[@TurboHDT]

@@BoostGumps rubbish that statement shows how little you know about porting and building race engines, you seem to think CNC porting is the holy grail, it depends on who ported the head to take the program from, if you actually had a clue you would know that, just about every video you sent to get CNC you waffle on about the rubbish you don't know big port doesn't mean big power. If I had a dollar for every time you made me laugh I could buy a pro stock, seriously mate i SMH, you should put a disclaimer on your video your not responsible for making crap power with wasted money like the guy you sold a halted for a stock motor 😉

[@BoostGumps]

@@TurboHDT Lol you're a clown mate. I never "waffle on about CNC being the holy grail", but with SBE combos where you are limited by compression every little bit helps. I know exactly who developed this port, and I never even talk about port cross sectional area or saturation point. Port work is a whole specialized area on it's own, I don't have a flow bench and I don't pretend to know everything about port work. The CNC program is more for valve/seat cut and port finish, particularly important to air velocity, also very important when running E to limit fuel pooling and falling out of suspension. The fact you automatically assume that a CNC program is developed by an idiot who simply blasts open the port is absolutely idiotic and proves you're about as sharp as a marble. I never once refer to "big port", they take SFA out of the cross section of the port. GTFO of my channel with your nonsense.

[@RhysK94]

Not a bad result. Out of my 6L with hand ported heads, flycut pistons, 236/242@108 .6xx"/.6xx" it spun up 498.6hp 713nm and repeatable across multiple dyno's. Pump 98. Being auto tho and a converter that would be an animal!

[@BoostGumps]

Hand ported heads are definitely the go when it comes to rectangle! Our Porter says he gets great flow gains without increasing the cross sectional area of the port. Keen to try a pair of his heads on a combo one day, (just need to wait the 6 months lead time to get him to port a pair lol) Great results out of your combo 👍👍

[@RhysK94]

@@BoostGumps Hopefully you guys get the chance. Would be cool to see a back to back compared to cnc! Sucks that, that is a big effort tho! Cheers! I bet the combo you guys did will run mid to low 11's tho, end of the day as you guys know, dyno is just a tuning tool! Mph is where its at 😉

[@gtools9137]

@@BoostGumps So really he is just smoothing out the port/ casting finish for better flow?

[@grimreaper6112]

You guys do a top job not like a guy i new years ago backyard Bob built a few engines that wouldnt even turn over when put back in the cars.

[@kryptux2463]

Sounds nice. Only making a tad more than mine.

[@plumbs7199]

Turbo on the old combo with tighter lobe separation would have been a brilliant option with ring gap for boost !

[@datdom34]

Well done guys

[@MattyFielding6]

On the money! Similar build to mine My ve L77 makes 440rwhp unlocked on 98. 11.6 static comp, +4cc pistons, 232/236/109 .604 .614. 9.6 dynamic comp. Higgins CNC, stock intake. 4k converter 6l80. Had to pull 2⁰. Best from one visit is 12.1 @ 117 on 20" semi's.

[@CalinDee]

That's interesting. I guess the stock heads on the L77 perform pretty well, against a stock bottom end at least. My L77, running bog stock heads/pistons, cam upgrade (228/228 @ .050, .598 .351 - 114 sep), otr intake, 3"exh is hitting 430rwhp. Looking at possible head and perhaps inlet upgrades, but with out going down the bottom end rabbit hole, there appears to be only about another 70hp to be found to be scavenged from the top end (ignoring forced induction of course!). hmm

[@MattyFielding6]

@@CalinDeethe high stall lowers the power figure at the wheels. I specced my build for strong mid-range torque. Also I have dyno sheets from 2 different dynos with 40rwkw difference 😂 Unfortunately my stall speed came out at 1000 rpm more than I asked for. Next time I'm in there I will retard the cam timing and let her rev a bit more to suit.

[@haydensmith9064]

that cam you took out, would it be suitable on al98 with lsa blower as i have a similar one?

[@catfissh]

What grit do you use to sand down the sharp edge on the fly cut?

[@elekcheck1060]

Would adding boost to this combo work well?

[@jjjjjj9284]

Geez they drink the Corn juice 😂, especially with the stoich around 9.70/9.80 lol ...

[@TheJoshml]

I would love to see somthing similar on a 5.7, especially with a little more comp

[@xAquabot]

Mine made 442hp on 98 sbe with rod bolts big stick same manifold etc big mod list ported heads decked etc

[@BobbyBrown-sl7zp]

@@xAquabot yeah manual I bet,I got auto 4 K stally 411s robbed mine on honest dyno 390rwhp vcm13 238b242 @112 Higgins race heads 30 tho 1 3/4 headers, I have some new 36lb injectors n Walbro 460 pump do u think I could get much more with fast lsxr ??

[@xAquabot]

@@BobbyBrown-sl7zp that is literally exactly the same as my setup except 3.9s and manual and a lot of timing and 7400rpm which is why it made 442hp at the wheels on stock 18s which is asking alot of sbe ls1. If I had my time again for the money holley low ram all day and cheaper then fast lsxr but both will do the job

[@BobbyBrown-sl7zp]

@@xAquabot Holley low ram U reckon? What brand n size tb? Big auto won't get anywhere near manual on dyno,but with stall makes up 60 foot,I eat supercharged ve v8s at lights even with 400rwkw to heavy to get off line with 6 speeds ,turbo 400 be a different story ,but lighter vy with big stally 411s _3.9s does well,also got mt slicks but no quarter mile racing where I'm at which sucks,do u think e85 or flex fuel be worth it or.... Cheers

[@radaman2028]

@boost_gumps thoughts on the 3” exhaust and 1 7/8” headers from Black Ops? Thinking of getting the system for my ve SSV (L98 auto)

[@BoostGumps]

I love the black ops system in my stato. Had some issues with the coating that comes on the headers and like all mass produced exhausts there were a few fitment problems that took some minor modification. But the sounds is so awesome. People still cant believe when I tell them its just a completely stock LS1 with an exhaust

[@jakenewborn9081]

Hey guys great work, love the videos. Where are you located?

[@BoostGumps]

Hey mate we are located just outside of Yarraman QLD. About 2hrs NW of Brisbane CBD

[@jakenewborn9081]

@@BoostGumps ahh, spewin, I'm in SA. Just after some advice, is there somewhere I could get a hold of you guys? I'm doing a 6.0l and manual conversion on my wagon, just after some info on getting it all going, want to cam it later on down the track, but all I have is full engineL76 and tr6060 all hardware, ecu and loom, can bcm and whatever else be programmed to suit??

[@jjjjjj9284]

Lucky the sump wasn't cracked if that timing cover wasn't centered properly and those cover bolts done in the wrong sequence...Stock oil pumps i rate them also and yeah i always shim the pump and have bought GM shimmed pumps from texas speed which are mint also...Man there are some gjys out there should stick to working on lawn mowers 😂...Gd work fellas

[@Mosesk1988]

Any reason for the small convertor? Reken a bigger convertor 4000rpm or so would help the big girl get out the hole specailly with that big duration cam. Lift and exh = power 🤙. Love ya work boys! Mph is true Hp. Wouldnt mind seeing a follow up of he hits the drag strip!

[@BoostGumps]

Not particularly, it was already there and the car is street driven quite often so we were pretty happy to leave it, keep some street manners and save some money. Hopefully we see it down the strip! See what happens

[@Mosesk1988]

@@BoostGumps sweet! Im no mechanic but am mechanically minded, i love all the nerdy bits and pieces and knowledge you guys share! Would be killer to know what it does if it goes to a track. Cheers 🍻.

[@jacksonbermingham2168]

masking tap hole bank u fly cut.

[@bradpatterson1949]

Is it running g mild steel headers

[@BoostGumps]

Nah its running stainless headers. Unsure on brand though

[@timwhalan6417]

👏🍺👍🏻

[@jacksonbermingham2168]

11.1 depressed sigh .... im aiming for 11.9 carby or go turbo .. havent figured out the combo as yet

[@BoostGumps]

High 11’s is achievable if you dont have the chambers CNC’d, which is one of the things we would have done different had we been involved with this engine from the very beginning.

[@jacksonbermingham2168]

good vid guys.. the stato will beat this i reckon with your hands or ball park

[@jacksonbermingham2168]

feel its rev limited with higgins

[@peterbermingham1313]

@@jacksonbermingham2168 rev limited by bottom end, heads possibly to big for the combo to take advantage off, possibly loosing midrange torque more so then hp figures

[@jacksonbermingham2168]

@@peterbermingham1313 ment like the heads are to good for rotating

[@0utere]

LS content 🤠

[@neilrobertson1345]

Sure is a LS motor

[@jamesrossmotors]

I stopped using Higgins heads. I always found standard heads to work better

[@johnboy5167]

Rubbish

[@jjjjjj9284]

Lucky its got 11.1 CR 😂 otherwise would have been a waste of time and energy tuning it on Corn

[@BoostGumps]

Yeh thats why we had to do some wild stuff to the heads, especially with such a big stick dropping the dynamic CR heaps.

[@christopherharper313]

I prefer new format

[@matsinkal]

So much work and money required to get these boat anchors to make the power of a fg xr6 turbo with just an exaust intercooler injectors and a tune go the mighty barra .

[@datdom34]

That's why I've I've got an RB LOL. Honestly mad respect to the the old LS and Barra but I'm I'm skyline all the way!

[@BoostGumps]

Only to stay N/A, If you want to go turbo it ends up pretty much same dollar vs power as a Barra after 600whp

[@johnboy5167]

Matt standage🤭💩

[@BrendtRoss]

I cannot under stand why he is wanting to run E85 dam i have a 6.0 ltr and it runs like a sick dog on E85 every one said it was my tune it was other things when i finally changed to premium fuel my car runs better performance yep E85 suxz

[@BoostGumps]

100% your tune. E85 is amazing. If it was more available I wouldn’t bother running anything else.

[@Jokestbh]

All that work for little gains better off just building the e bottom end doing everything all in one go

[@BoostGumps]

Not sure how you constitute 10% gain in an n/a engine as little, but you would probably hate to see how much work would go into building the bottom end to get another 20% if that’s the case.

[@jasonlarkin3470]

Considering all the fuck ups from the previous engine builder and big dollars already spent just to have it repaired properly and set up properly will obviously protect the engine from parts being destroyed or catastrophic failure and plenty of klms and the owner having to start again and it sounds like the owner had enough budget to get these guys to get the best out of what he had...I'm sure the owner was happy and now has peace of mind...great work Boost Gumps