General Engine Performance Forum

davelacourse · davelacourse

Finally got the plug wires made up (the boots did NOT want to go on without a fight - I don't remember having problems like that with the race car - but this set, no matter how much silicone spray I used, they were very hard to get pushed onto the wires) - the headers were on just for fitment and routing and wil...

409Safari · 409Safari

From Rod Action, december 1974.........

davelacourse · davelacourse

Some years back, when I was gathering parts for my 496 (all forged internals, big hydraulic roller cam, Brodix aluminum heads, etc.), I bought a Mighty Demon 850 cfm 4bbl. No choke, double-pumper, recommended as part of a 600HP build in a hot rod magazine. I had always used Holley 4bbl carbs, double-...

davelacourse · davelacourse

Carb is just on for the photo (note that I did not even bolt it down), since I will use a lift plate to get it to the engine dyno so it has to come off anyhow. The shop does not want water pump on (they have their own system) so I will install that when I get the motor back home after the dyno session. Still need to h...

davelacourse · davelacourse

Hydraulic roller lifters and cam Valve train installed and initial lash set. I wanted to use stock height valve covers so could not use full roller rockers, these are Comp Cams "Magnum Roller Rockers" which do have a roller tip but otherwise use the same system as GM. I won't need locks, tho...

cdnpont · cdnpont

Setting up my initial valve lash tonight, and it appears that the outer ring on my crank damper may have slipped. If I rotate the engine to get #1 to TDC, visually the piston is well on its way down by the time my pointer ends up on TDC on timing tape. I applied the tape using the original TDC line on the damper...

davelacourse · davelacourse

It turned out that the full gasket set I had ordered included the wrong head gaskets - Fel-Pro Permatorque 1017's which, when I studied them a little closer, turned out to be for 4.500" bore, and I needed 1027's for my 4.310" bore. But good ol' Summit got them here in 2 days, and I finally got to...

427carl · 427carl

cdnpont · cdnpont

My first BB purchase, yep, I got me some valve covers for a song today! The plan is to focus the build around the covers lol! Going for a subdued stealth look. More to come,

cdnpont · cdnpont

I've had it in mind lately to upgrade to a 383 Stroker. The big car really needs at least 100 more and more torque. Seen all kinds of options, from complete engines down to bare stroker blocks, short blocks and all kinds of stroker kits. Lots of stuff in the GTA. Ultimately I'd like a roller 383, 400 or so HP...

1969 Beaumont L48 · 1969 Beaumont L48

Hi I just bought a Camaro with a 327 motor was told L30. Has the camel hump heads. Engine block # 3782870 1962 to 1965 Came in cars, trucks and Corvettes Only info on front motor pad is # 855631812 There is no other number with the suffix code? When I get car home I will be able to get date code off side of block....

cdnpont · cdnpont

Kind of a neat way of visualizing lifter and rocker action on a BBC. You'll know its the big when he stops up the spark plug hole. The Simtester

jlysholm · jlysholm

https://youtu.be/W5saoYQIlh8 ENJOY!

Johnnee D · Johnnee D

The -- Edited by Johnnee D on Thursday 15th of April 2021 10:29:53 AM

Stephenzone · Stephenzone

I acquired an alluminum super t-10 recently and i'm trying to figure what it came from. input is 3 rings so this comes up as wide ratio 2.64,1.75,1.34,1-1 13 04 065 903 on the main case, casting 6,30,75 13 04 066 901 on the tail stock, casting 8-5-75 13 04 097 901 on the shifter side cover wk3052 punched in...

saskyponcho · saskyponcho

Wonder what my options are and how I can remove this tube in the lifter valley. The intake I am using contacts and tube and I would like to remove it. What is the proper way of doing so? Can I just take it out and run valve covers with breathers?

dualquadpete · dualquadpete

Can anyone ID this Holly carb # 80555-1 & just below that 1040 Can't cross it up on Holly site & all start with a R It's a replacement carb that previous owner put on the Avanti, almost 'brand new" but think it might be too big Pete

pontorquer · pontorquer

Is this what it looks like ? Anybody has one to compare, maybe this one is an aftermarket ? No part# or date on it.

cdnpont · cdnpont

Starting to put together a stroker plan, Question, Am I better off buying a "balanced" rotating assembly as a kit? Or should I buy matched crank, flexplate, rods and pistons individually, and have it all pro balanced? To keep the cost reasonable, probably looking at a good quality Scat o...

Taylor55 · Taylor55

Has anyone ever used this manifold. I know this is an early dual plane manifold that was designed for low end torque and fuel economy. I have someone who wants to use this intake and a 600 cfm holley single pumper. The vehicle is a 1986 4x4 with 4 speed bull low transmission.. The engine is a stock 1975 Cam...

Topic		Started By	Replies	Views	Last Post
	Ready to take to the engine dyno shop - DROPPED IT OFF TODAY (Preview) Finally got the plug wires made up (the boots did NOT want to go on without a fight - I don't remember having problems like that with the race car - but this set, no matter how much silicone spray I used, they were very hard to get pushed onto the wires) - the headers were on just for fitment and routing and wil...	davelacourse	15	2103	Dec 3, 2015 by cdnpont
	Crower Chevy V4 (Preview) From Rod Action, december 1974.........	409Safari	14	1783	Dec 1, 2015 by CdnGMfan
	Demon versus Holley carb (Preview) Some years back, when I was gathering parts for my 496 (all forged internals, big hydraulic roller cam, Brodix aluminum heads, etc.), I bought a Mighty Demon 850 cfm 4bbl. No choke, double-pumper, recommended as part of a 600HP build in a hot rod magazine. I had always used Holley 4bbl carbs, double-...	davelacourse	9	1173	Nov 27, 2015 by mad65
	Christmas in July (Preview) Carb is just on for the photo (note that I did not even bolt it down), since I will use a lift plate to get it to the engine dyno so it has to come off anyhow. The shop does not want water pump on (they have their own system) so I will install that when I get the motor back home after the dyno session. Still need to h...	davelacourse	0	964	Jul 25, 2015 by davelacourse
	496 is comin' along (Preview) Hydraulic roller lifters and cam Valve train installed and initial lash set. I wanted to use stock height valve covers so could not use full roller rockers, these are Comp Cams "Magnum Roller Rockers" which do have a roller tip but otherwise use the same system as GM. I won't need locks, tho...	davelacourse	2	974	Jul 24, 2015 by davelacourse
	Crank damper timing mark issue. Help? (Preview) Setting up my initial valve lash tonight, and it appears that the outer ring on my crank damper may have slipped. If I rotate the engine to get #1 to TDC, visually the piston is well on its way down by the time my pointer ends up on TDC on timing tape. I applied the tape using the original TDC line on the damper...	cdnpont	22	2438	Jul 18, 2015 by pontiax
	A milestone reached today for my 496 build (Preview) It turned out that the full gasket set I had ordered included the wrong head gaskets - Fel-Pro Permatorque 1017's which, when I studied them a little closer, turned out to be for 4.500" bore, and I needed 1027's for my 4.310" bore. But good ol' Summit got them here in 2 days, and I finally got to...	davelacourse	5	902	Jul 17, 2015 by Pontiacanada

	Oil Filters ( 1 2 3 ) (Preview)	427carl	51	3247	Jul 16, 2015 by davelacourse
	Started my 489 stroker build today... (Preview) My first BB purchase, yep, I got me some valve covers for a song today! The plan is to focus the build around the covers lol! Going for a subdued stealth look. More to come,	cdnpont	9	1480	May 27, 2015 by davelacourse
	383 Stroker...where to start? ( 1 2 ) (Preview) I've had it in mind lately to upgrade to a 383 Stroker. The big car really needs at least 100 more and more torque. Seen all kinds of options, from complete engines down to bare stroker blocks, short blocks and all kinds of stroker kits. Lots of stuff in the GTA. Ultimately I'd like a roller 383, 400 or so HP...	cdnpont	44	4102	May 10, 2015 by 65Camino
	327 vin decode Help (Preview) Hi I just bought a Camaro with a 327 motor was told L30. Has the camel hump heads. Engine block # 3782870 1962 to 1965 Came in cars, trucks and Corvettes Only info on front motor pad is # 855631812 There is no other number with the suffix code? When I get car home I will be able to get date code off side of block....	1969 Beaumont L48	0	825	Apr 19, 2015 by 1969 Beaumont L48
	496 on the Simtester (Preview) Kind of a neat way of visualizing lifter and rocker action on a BBC. You'll know its the big when he stops up the spark plug hole. The Simtester	cdnpont	0	820	Apr 12, 2015 by cdnpont
	Long Live the Chevy Small Block! -Video- (Preview) https://youtu.be/W5saoYQIlh8 ENJOY!	jlysholm	3	981	Mar 20, 2015 by Magician40
	Carb question ( 1 2 ) (Preview) The -- Edited by Johnnee D on Thursday 15th of April 2021 10:29:53 AM	Johnnee D	29	2499	Mar 1, 2015 by 409Safari

	what did my super t-10 come out of? (Preview) I acquired an alluminum super t-10 recently and i'm trying to figure what it came from. input is 3 rings so this comes up as wide ratio 2.64,1.75,1.34,1-1 13 04 065 903 on the main case, casting 6,30,75 13 04 066 901 on the tail stock, casting 8-5-75 13 04 097 901 on the shifter side cover wk3052 punched in...	Stephenzone	7	2211	Feb 1, 2015 by birdsandgoats
	327 crankcase ventilator (Preview) Wonder what my options are and how I can remove this tube in the lifter valley. The intake I am using contacts and tube and I would like to remove it. What is the proper way of doing so? Can I just take it out and run valve covers with breathers?	saskyponcho	6	1277	Dec 7, 2014 by 4SPEED427
	Holly carb. ID??? (Preview) Can anyone ID this Holly carb # 80555-1 & just below that 1040 Can't cross it up on Holly site & all start with a R It's a replacement carb that previous owner put on the Avanti, almost 'brand new" but think it might be too big Pete	dualquadpete	3	1046	Nov 24, 2014 by dualquadpete
	1976-79 Pontiac 400 flywheel with 2.5" register ? (Preview) Is this what it looks like ? Anybody has one to compare, maybe this one is an aftermarket ? No part# or date on it.	pontorquer	9	2131	Nov 22, 2014 by rexs73gto
	Stroker Kit, or piece it together? (Preview) Starting to put together a stroker plan, Question, Am I better off buying a "balanced" rotating assembly as a kit? Or should I buy matched crank, flexplate, rods and pistons individually, and have it all pro balanced? To keep the cost reasonable, probably looking at a good quality Scat o...	cdnpont	6	1075	Nov 9, 2014 by hawkeye5766
	Edelbrock sp2p intake manifold (Preview) Has anyone ever used this manifold. I know this is an early dual plane manifold that was designed for low end torque and fuel economy. I have someone who wants to use this intake and a 600 cfm holley single pumper. The vehicle is a 1986 4x4 with 4 speed bull low transmission.. The engine is a stock 1975 Cam...	Taylor55	4	2083	Oct 23, 2014 by oldblue
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