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#26 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
I also feel that you can pull a little more than the 32 that GM suggests....but on the street/pump fuel, I try not to go past 34 degrees. You may have to limit the can can to get where you want to be (just play a bit), & see what works the best? On the track, square decked , for minimum "quench" & rowdy cam/hot fuel....some guys may run 38 degrees
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#27 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Thanks again for the advice! Any opinion on who makes the best posi rear end? I want to lose the 'one tire on fire '.
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#28 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
Eaton would be the unit to run.....3 series, 2.73- 3.42 gears, 4 series, 3.73 & deeper
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#29 |
Registered User
Join Date: Feb 2015
Location: San Diego, CA
Posts: 409
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Re: Waking up the ZZ
The eaton is rebuildable also, just did some clutches in mine.
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At my worst I'm at my best |
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#30 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Many thanks! I was thinking of going with the 3:42 gears & 700R4. It should pull harder off the line & still rev likely lower than it does now on the highway. Have you swapped in this tranny before? I believe I have to move the cross member & will need a new kick down cable - am I missing anything?? Any opinion on TCI transmissions? Thanks again !
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#31 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,602
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Re: Waking up the ZZ
Go easy on the lower rear gears!
You don't want extremely low rpm on the QE2 unless you're keeping up to traffic at 150kph. I'd put a 700r4 in first with your stock gearing and then decide if you want to change gears. Here's a link to a speed/rpm calculator. Help you figure it out. http://www.advanced-ev.com/Calculators/TireSize/ |
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#32 |
Registered User
Join Date: Feb 2015
Location: San Diego, CA
Posts: 409
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Re: Waking up the ZZ
Tci makes a nice trans, I've been abusing a tci street fighter th400 for years and no issues. 2200 stall converter for me with the blower.
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At my worst I'm at my best |
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#33 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Good advice! I believe it has 3:07 gears in it now, so I wouldn't think going 3:42's would be bad - considering you have an extra gear for overdrive.
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#34 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Thanks Hollow! That looks like a radical engine! How much does it peek out of the hood? The only thing that concerned me about TCI was the short warranty. I could be out of warranty before I get the thing in !
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#35 |
Registered User
Join Date: Feb 2015
Location: San Diego, CA
Posts: 409
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Re: Waking up the ZZ
I have a 4" cowl and its a TIGHT fit with the air cleaner. Get some 3.73 years and a 700r.
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#36 |
Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Waking up the ZZ
Eaton TrueTrac (1st choice) or carbon fiber/clutch style posi.
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Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 |
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#37 |
Registered User
Join Date: Feb 2015
Location: San Diego, CA
Posts: 409
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Re: Waking up the ZZ
Gears not years, dang phone and my fat thumbs!
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#38 | |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Waking up the ZZ
The 700R4 does not have a kickdown cable. That cable is the TV (throttle valve) cable, and if not connected to your carb correctly adjusted, you will burn up the trans in a very short time.
The 3.42 gears and a 700R4 will be a good combo if you don't have tall tires. A 3.73 gear is a good all around gear for an OD trans and about a 28-30" tall tire. Quote:
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#39 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Thanks for the recommendation 68! I knew what you meant hollow
![]() Last edited by pdawg; 03-12-2015 at 10:06 AM. Reason: forgot things |
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#40 |
Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,602
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Re: Waking up the ZZ
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#41 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Great site Geezer - thanks! I'll keep that one handy! Tax refund is looking very good so I might get to do it sooner than later. Hope this oil & our dollar smartens up soon! Nice at the pumps but bad news for business!
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#42 | |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
Quote:
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#43 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Sorry to keep harping on this guys, but I travked down my Vacuum Advance Stop Kit and plan to put it in tomorrow ( one last nice day them back to crap )! The plate has 4 positions: 5-8, 8-11,11-14& 14-17 degrees. Which would you recommend? Thanks!
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#44 | |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
Quote:
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#45 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
That's great - it'll get me in the ballpark & I'll take it for a run. Just nervous as I don't want to grenade it. I'll just stick with the recommended mechanical, hook up the vacuum & see what it's reading & how she behaves. Thanks again for the advice!
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#46 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
Set the total right on....that is critical in the mix ? The vac can, as I said is a load compensator....run all you can on the vac can, without spark rattle pulling a hill? You will need to play a bit, to get it all tuned in....just listen to what she wants & give it to her! Big fun.. Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#47 | |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,488
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Re: Waking up the ZZ
Quote:
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#48 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
pdawg, how is the tuning going? Longhorn
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#49 |
Registered User
Join Date: Sep 2012
Location: Calgary, Alberta, Canada
Posts: 92
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Re: Waking up the ZZ
Hey Longhorn. I put in the vacuum limiter & connected the vacuum advance, timed it & took her for a rip. It seemed to want some more advance as it wasn't very snappy, but when I got back we had a bit of a wind storm so I wasn't able to try it. I think I may have more of an issue as the brakes wouldn't lock up when I was driving & the revs came way up once I put it in park after the drive. Thinking maybe my booster is shot?! The might explain the hi revs after driving it hard. Our weather has been sketchy since but now I'm eager to diagnose the booster. On the plus side - it didn't run on when I shut her down - despite the high revs. You may be on to something with the vacuum advance as it did seem more drivable . I've got to wait for some more good weather & I'll try some more advance. Keep you posted! Thanks!
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#50 | |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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Re: Waking up the ZZ
Quote:
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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posi swap, tranny swap, tuning tips |
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