Re: Re: RE: Re: 4.7L HO intake manifold

From: Canucker Trucker (flamindakman@yahoo.co.uk)
Date: Fri Nov 15 2002 - 13:37:44 EST


Glad somebody enjoyed the write up. :)

--
Canuck
--------------------------------------------
Y2K, 4.7L, 2wd, 5spd, The Ultimate K&N HomeBrew, Flowmaster CatBack, Home
Ported TB, Electric fan conversion, 180 therm., Redline synth., IAT
adjuster, HO Cams, HO Intake
http://www.twistedbits.net/WWWProfile/dakota/Vyikam1jjgNN6

"andy levy" <andylevy@yahoo.com> wrote in message news:ar1h2i$bkv$5@bent.twistedbits.net... > > Wow, very comprehensive, thanks! Sounds like someone who isn't into > racing should stick w/ just the cams. > > Canucker Trucker wrote: > > :) .. weeeell ... I suppose I could elaborate a bit. > > > > I installed the Cams and intake separately so I could judge the gains from > > each mod (most people do them both at once). I did the cams first, then the > > intake. > > > > As for the cams, they were incredibly straight forward to install. I > > followed instructions I downloaded off the Speedtweaks site in the tips and > > tricks section (Thanks Bernd & Tom!). I got a picture and dimensions of the > > wedge tool from someone on the web (maybe even a DMLer - Glen I think his > > name was) and then made my own out of wood (which I wrapped in a plastic bag > > to avoid wood chips in the engine). > > > > The only snag with the install was the driver's side valve cover was a HUGE > > pain in the a$$ to get off. Took close to 3hrs of just pissing around. > > Once I got it off once though, it was a snap to get on and off again. Lots > > of guys remove all sorts of stuff like the fuel rail, power steering pump > > etc etc to get it off, but I didn't have to in the end. After that, it was > > all smooth .. except my buddy grounded the alternator to its housing when he > > hooked it back up (had to disconnect the wire to help move the wiring > > harness outta the way of the driver's side valve cover). That blew a > > fusible link no biggy. > > > > After the cams were in ... initial reactions was :-o!!! I drove around for > > a few weeks with just the cams. Great low end gains. good mid range gains, > > maybe a bit of top end loss. If I was idling around in first gear (or even > > second actually) then put my foot through the floorboard, the tires would > > light up every time. it was great! > > > > The cams took .15-.25 seconds off my G-Tech times but made runs really > > really inconsistent due to traction issues. Also got a 15hp G-Tech > > horsepower increase. Gas mileage went up a bit too if I drove nice. > > > > Next I did the intake. Suprisingly easy to do as well. Only took a few > > hours from parking the truck in the garage to firing it up again. One snag > > that was my own fault, I forgot to hook up the vacuum line in the back of > > the manifold. Fired it up and there was a loud sucking noise .. shut the > > truck off and found the problem without any troubles. Fired it up again, > > then went for a test drive. > > > > Reaction after the intake was also :-o!!! The engine would readily rev > > right up to the 5000RPM range without even hesitating now. ... the downside > > though: most of that low end TQ gain from the cams was gone. It's still > > better than stock, but there was a definite loss after the intake. > > > > G-Tech times are now MUCH more consistent (within .1 seconds each run, > > versus a .3 second spread with just the cams). This is because it is much > > easier to launch now. Average G-Tech times didn't really change much though > > (to my dismay) after the Intake. maybe gained a tenth at best. G-Tech > > horsepower also didn't change much .. gained 1-2hp average, but I wouldn't > > even beleive for a second that the G-Tech is that accurate. > > > > Conclusion: > > The intake would work much better with a more aggressive cam (KRC's new one > > for example) if you're looking for a TQ peak around 3500-4000RPM. With the > > HO cams though, I don't think its a very good combination. basically, I > > think the cams are designed for low end TQ, but the intake is for higher RPM > > gains. put them together, they almost kill eachother. If I had the > > time/effort, it'd be interesting to see what just the intake alone does with > > the stock cams. I would guess that would be a faster combination with more > > high end hp. > > > > Either way you look at it though, the HO cam/Intake combo is still much much > > better than stock. Hands down the best mod so far. > > > > My advice: > > If you're just going to tow, install the HO cams only. > > If you're looking to go faster, try just the intake and see what it gains > > you. Then install the cams after. > > > > Realistically though, for just over $300 for the ENTIRE combo, you can't go > > wrong. I've wasted that much money on one good night of drinking! > > > > Sorry for the book ... but you asked for it! ;^) I'm sure that's more than > > you ever wanted to know. > > > > Any more questions, feel free to ask. > > > > -- > > Canuck > > -------------------------------------------- > > Y2K, 4.7L, 2wd, 5spd, The Ultimate K&N HomeBrew, Flowmaster CatBack, Home > > Ported TB, Electric fan conversion, 180 therm., Redline synth., IAT > > adjuster, HO Cams, HO Intake > > http://www.twistedbits.net/WWWProfile/dakota/Vyikam1jjgNN6 > > > > > > "Art DiRamio" <ADiRamio@opensolutions.com> wrote in message > > news:CD14A5E5DC40D611930E00508BDC9E4E47BC1F@exchange.opensolutions.com... > > > >>No, No, No... > >> > >>You can't just say you've done it, you need to provide details! (well, > > > > you > > > >>can, but that's just plain mean ;^) ) > >> > >>I see you did the cams too. How'd it all go? Are you happy? Any issues? > >> > >>Inquiring 4.7L drivers need to know > >> > >>Art DiRamio > >>'01 Patriot Blue QC Sport+ Auto HD 4X4 > >>4.7L 3.55s Penda soft tonneau > >>'97 Kawasaki Vulcan Classic 1500 > >> > >> > >> > >> -----Original Message----- > >>From: Canucker Trucker [mailto:flamindakman@yahoo.co.uk] > >>Sent: Friday, November 08, 2002 12:15 PM > >>To: dakota-truck-moderator@bent.twistedbits.net > >>Subject: DML: Re: 4.7L HO intake manifold > >> > >> > >>I've done it. > >> > >>-- > >>Canuck > >>-------------------------------------------- > >>Y2K, 4.7L, 2wd, 5spd, The Ultimate K&N HomeBrew, Flowmaster CatBack, Home > >>Ported TB, Electric fan conversion, 180 therm., Redline synth., IAT > >>adjuster, HO Cams, HO Intake > >>http://www.twistedbits.net/WWWProfile/dakota/Vyikam1jjgNN6 > >> > >> > >>"andy levy" <andylevy@yahoo.com> wrote in message > >>news:aqevvj$8ti$2@bent.twistedbits.net... > >> > >>>Just learned that the 4.7L HO manifold can be purchased separately, much > >>>like the HO cams. Anyone currently on the list done this? Yes I have a > >>>318, I'm just curious about it is all. > >>> > >> > >>NOTICE: This e-mail is intended solely for the use of the individual to > > > > whom > > > >>it is addressed and may contain information that is privileged, > > > > confidential > > > >>or otherwise exempt from disclosure. If the reader of this e-mail is not > > > > the > > > >>intended recipient or the employee or agent responsible for delivering the > >>message to the intended recipient, you are hereby notified that any > >>dissemination, distribution, or copying of this communication is strictly > >>prohibited. If you have received this communication in error, please > >>immediately notify us by replying to the original message at the listed > >>email address. Thank You. > > > > > > >



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