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#1
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Recommendations for gear reduction starter
Hi. Been a while since I've been here. I've not driven the Firebird in over a year and a half. I'm wanting to change the starter from a stock full size to a gear reduction. I have Hedman headers. Can anyone recommend a good starter?
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79 Firebird/`70 400 with `77 6x-4s shaved .065"/4 speed BW ST-10/Cliff Q-Jet/XE268/3.08 99 Trans Am/383 LS1/TSP headers and catback/custom grind cam/Vigilante 2500/Strano springs and Konis 08 Corvette - Base (SOLD) 75 Corvette/L48 350 (LSx -4L60E one day) -------------------------------------------------------------- |
#2
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I'm thinking about the Powermaster Ultra Torque 9410NM. Any opinions?
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79 Firebird/`70 400 with `77 6x-4s shaved .065"/4 speed BW ST-10/Cliff Q-Jet/XE268/3.08 99 Trans Am/383 LS1/TSP headers and catback/custom grind cam/Vigilante 2500/Strano springs and Konis 08 Corvette - Base (SOLD) 75 Corvette/L48 350 (LSx -4L60E one day) -------------------------------------------------------------- |
#3
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I have a Tildon om the 78 for years. I did have to reclock solenoid-which required drilling and tapping new holes. A McRobb on the Camaro/IA which is easy to clock.
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Skip Fix 1978 Trans Am original owner 10.99 @ 124 pump gas 455 E heads, NO Bird ever! 1981 Black SE Trans Am stockish 6X 400ci, turbo 301 on a stand 1965 GTO 4 barrel 3 speed project 2004 GTO Pulse Red stock motor computer tune 13.43@103.4 1964 Impala SS 409/470ci 600 HP stroker project 1979 Camaro IAII Edelbrock head 500" 695 HP 10.33@132 3595lbs |
#4
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Powermaster 9510 is the one to get.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
The Following User Says Thank You to ZeGermanHam For This Useful Post: | ||
#5
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+1 on the Powermaster 9510
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear https://youtube.com/shorts/gG15nb4FWeo?feature=share |
#6
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I worry about that gear, hanging out in the wind, without support.
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1968 Firebird 400 RAII M21, 3.31 12 bolt, Mayfair Maize. 1977 Trans Am W72 400, TH350, 3.23 T Top Everyone you will ever meet knows something you don't. Bill Nye. |
#7
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The 9510 on my brother's 461ci has been working flawlessly for years. No issues and it totally transformed how well his car starts, particularly when hot.
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1966 Pontiac GTO (restoration thread) 1998 BMW 328is (track rat) 2023 Subaru Crosstrek Limited (daily) View my photos: Caught in the Wild |
#8
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9510 it is!
Thanks.
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79 Firebird/`70 400 with `77 6x-4s shaved .065"/4 speed BW ST-10/Cliff Q-Jet/XE268/3.08 99 Trans Am/383 LS1/TSP headers and catback/custom grind cam/Vigilante 2500/Strano springs and Konis 08 Corvette - Base (SOLD) 75 Corvette/L48 350 (LSx -4L60E one day) -------------------------------------------------------------- |
#9
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71 Formula 433, Splayed cap 400 block, 4" stroke Scat forged crank, 6.8 Eagle rods, custom Autotec pistons. SD 295 KRE D ports, Old faithful hybrid roller, Torker II, Holley Sniper Stealth, Tribal Tubes, TKO 600, 3.73 Eaton posi. |
#10
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I have the MSD unit on mine. Been spot on for years. No issues at all.
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#11
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I prefer the Robbmc with the gear support. Only mini for Pontiac that offers it that I'm aware of.
Plus his customer support is excellent. He has warrantied stuff that he didn't have to, and has had quick turn around even today with all the excuses everyone else uses. There are quirks about these mini starters in general I don't care for but I deal with that no matter what the brand. |
The Following User Says Thank You to Formulajones For This Useful Post: | ||
#12
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Everything Formulajones has said, Robbmc for me.
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1979 Trans Am WS-6 .030 455 zero decked flat pistons 96 heads with SS valves 041 cam with Rhoads lifters 1.65 rockers RPM rods 800 Cliffs Q Jet on Holley Street Dominator ST-10 4 speed (3.42 first) w 2.73 rear gear __________________________________________________ _______________________________ 469th TFS Korat Thailand 1968-69 F-4E Muzzle 2 |
#13
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#14
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I used this one from Summit:
https://www.summitracing.com/parts/s...s-am/year/1970 Customer reviews were good on it and it performed well when the engine went on the dyno for break in and tuning. |
#15
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Powermaster 9510 15 years working great and good customer service.
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#16
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ROBBMC
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
The Following User Says Thank You to 64speed For This Useful Post: | ||
#17
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Running the 9410 for 4 years now, still spins like new. It’s rated 50ft.lbs higher than the 9510 XS and is about $50 more. A Summit mini struggled and I had issues with the pinion gear coming loose on a RobbMc.
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68 GTO,3860# Stock Original 400/M-20 Muncie,3.55’s 13.86 @ 100 Old combo: 462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's. 1968 Pontiac GTO : 11.114 @ 120.130 MPH New combo: 517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's 636HP/654TQ 1.452 10.603 @ 125.09 http://www.dragtimes.com/Pontiac-GTO...lip-31594.html |
#18
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The pinion gear coming loose is a real problem on all of them.
When dad was running the other mini starter mentioned in this thread, the snap ring would come off eventually. The big problem with that is those starters don't have pinion support. So the gear goes flying off. If you're lucky like he was that day, you find it laying in the grass, slide it back on for another restart and drive it straight home. If your not so lucky to find the gear you're calling a hook. At least with the Robbmc and the pinion support the gear stays on the shaft and doesn't go anywhere. In fact he drove it a few months like that before fixing it. Yes the Robbmc starters lose the gear too. Retention is with a small ball bearing and lock tight. We've had the gear come loose twice on a Robbmc. Neither time left us stranded as with the nose support it doesn't fall off and both times robb fixed it for free when the starter was several years old so I can't complain. Great service. That's just one of the quirks with these mini starters you have to deal with. At least with the nose support I don't worry about being stranded next time it happens. There will be a next time lol |
The Following User Says Thank You to Formulajones For This Useful Post: | ||
#19
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Used RobbMc for years without issue on a high compression,. 600+ hp 461.
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My money talks to me-it usually says goodbye! |
#20
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This is funny to me.
I was looking at the price https://www.amazon.com/Powermaster-9.../dp/B003TQ6A4W I can see a crack in the casting. |
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