Flat Tappet Cam to Roller Cam?
Le Mans Master
Joined: Aug 2000
Posts: 8,838
Likes: 31
From: Australia
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
Originally Posted by CFI-EFI
You can save some money if you don't mind doing a little work, using OE Chevy, V6 roller lifters, the stock dog bones, and spider.
RACE ON!!!
RACE ON!!!
you wouldn't happen to have a part number would you? For the V6 rl's or are they standard? Called crane this morning and I think they gave me a bogus number. The grind number they gave me is 11HR00006? Rather than the 2040 that is. I can't find it anywhere so I'll have to call them back to get a part number.
Pro
Joined: Jun 2004
Posts: 646
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From: Santee Ca
Originally Posted by Insane1
LPE 74211 cam = $289.00
CompCams retrofit roller lifters = $549.00
Cloyes timing set = $69.00
Lunati pushrods $100.00
Just did this in my stroker and this is what it cost me.
CompCams retrofit roller lifters = $549.00
Cloyes timing set = $69.00
Lunati pushrods $100.00
Just did this in my stroker and this is what it cost me.
Racer
Joined: Jan 2006
Posts: 287
Likes: 0
From: Forest Hill Maryland
Originally Posted by qws
you wouldn't happen to have a part number would you? For the V6 rl's or are they standard? Called crane this morning and I think they gave me a bogus number. The grind number they gave me is 11HR00006? Rather than the 2040 that is. I can't find it anywhere so I'll have to call them back to get a part number.
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
Originally Posted by bdaly84
I have heard of the 2030, 2040, 2050 Crane cams for our 84's, work very well. I think, from what I have heard also, is that Crane changed the cam girnd no. on these specific cams. So, you may have the new grind no. Check with the guys on the Crossfire forum. I am interested myself...I am getting ready for my winter project...1.6 rr's, ported manifold, and possible cam change.
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Safety Car
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From: MANDEVILLE, LA La
Originally Posted by qws
2030 and 2040 do work well. Don't know about the 2050. I am just thinking that if I replace it maybe I'll think about the roller cam instead. But want to see if I can do it first.
Might consider the GM "Hot Cam" as well
Race Director
Joined: Sep 2000
Posts: 17,298
Likes: 33
From: The Top of Utah
Originally Posted by qws
you wouldn't happen to have a part number would you? For the V6 rl's or are they standard?RACE ON!!!
Racer
Joined: Jan 2006
Posts: 287
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From: Forest Hill Maryland
Originally Posted by CAJUN C4
I run the ZZ4 Cam with 1:6 Roller Rockers in my 84' and it screams.
Might consider the GM "Hot Cam" as well
Might consider the GM "Hot Cam" as well
Safety Car
Joined: Feb 2000
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From: MANDEVILLE, LA La
Originally Posted by bdaly84
Are you running the crossfire setup still in your 84?
Do you have the Stock Crossfire Manifold?
Racer
Joined: Jan 2006
Posts: 287
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From: Forest Hill Maryland
Originally Posted by CAJUN C4
I built a ZZ4 with the "113" Al. Heads, 11:1 CR I have an X-Ram with 750 CFM TBI's, Stock ECM.
Do you have the Stock Crossfire Manifold?
Do you have the Stock Crossfire Manifold?
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
Originally Posted by CFI-EFI
There is more than one V6 lifter. The lifters you will need are for a 60° V6. Contact Dan Plett, "Lionsden", for particulars. Not only has he done it, he has written up the procedure. In fact, if you get it, please provide me with a link so I can pass it on, directly, instead of having to refer people, as I have here.
RACE ON!!!
RACE ON!!!
So the roller cams are possible. Doesn't look like it's going to be all that expensive. I think I rather just go for the cam now then maybe the heads some other time.
Le Mans Master
Joined: Dec 2002
Posts: 5,270
Likes: 3
From: Seattle Area WA
Originally Posted by Insane1
LPE 74211 cam = $289.00
CompCams retrofit roller lifters = $549.00
Cloyes timing set = $69.00
Lunati pushrods $100.00
Just did this in my stroker and this is what it cost me.
CompCams retrofit roller lifters = $549.00
Cloyes timing set = $69.00
Lunati pushrods $100.00
Just did this in my stroker and this is what it cost me.
You can go some different routes...
Cam....250
Lifters through summer ~$400 (lunati or cranes were the ones)
Cloyes timing set- 25$ for street double roller
pushrods from CC (summit) - 30$
LPE kit- 40$
Also, the v6 retrofit is really only an option if you have the time and can do it right with the motor assembled. If I were you, I would do the type of conversion where you tap the block and put in the spider from the OE roller cam motors. I think some cleaancing near the lifter bores is also required. But I would do this, then get the block cleaned and so forth so you don't get shavings into the oil passages or anything.
Good luck!
Race Director
Joined: Sep 2000
Posts: 17,298
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From: The Top of Utah
The rollers cams have always been possible. The big problem has been the cost of the relatively new, retro hydraulic roller lifters. The OE hydraulic roller lifters, represent is significant savings in the conversion. Consider, however, a retro camshaft to save the trouble of drilling and tapping your block for the OE camshaft retainer plate and the late model timing set. You will still need a thrust button or bearing.
I have a stock engine, with nothing more than a ported intake manifold and bored TBs. The long block is all original, 23 years young.
RACE ON!!!
Originally Posted by bdaly84
Are you running the crossfire setup still in your 84?
RACE ON!!!
Racer
Joined: Jan 2006
Posts: 287
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From: Forest Hill Maryland
I have a stock engine, with nothing more than a ported intake manifold and bored TBs. The long block is all original, 23 years young.
RACE ON!!![/QUOTE]
Did you cut off the EGR dong? I am porting a stock intake now and I have heard some guys cut them out and some dont. What size TBI's did you bore yours to?
RACE ON!!![/QUOTE]
Did you cut off the EGR dong? I am porting a stock intake now and I have heard some guys cut them out and some dont. What size TBI's did you bore yours to?
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
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From: Clifton Park NY
Originally Posted by bdaly84
Did you cut off the EGR dong? I am porting a stock intake now and I have heard some guys cut them out and some dont. What size TBI's did you bore yours to?
Race Director
Joined: Sep 2000
Posts: 17,298
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From: The Top of Utah
Originally Posted by bdaly84
Did you cut off the EGR dong? I am porting a stock intake now and I have heard some guys cut them out and some dont. What size TBI's did you bore yours to?
I bored my TBs to 2", but it was a waste of time. I didn't install the TBs until 2 weeks after I installed the manifold. Although the intake made a major difference in my 1/4 mile times (I race every week), the TBs made NO difference at all. I generally shift at 6000 - 6200 rpms.
Boring the TBs however, doesn't affect the capacity of fuel delivery system. It affects the amount if AIR that can get into the engine. Increasing the fuel pressure or using larger injectors can increase the ability to add fuel, but boring the TBs cannot.
RACE ON!!!
Racer
Joined: Jan 2006
Posts: 287
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From: Forest Hill Maryland
Originally Posted by CFI-EFI
I don't know what an "EGR dong" is, but probably not. I didn't touch the EGR mounting pad or the EGR channel inside of the plenum. Does that include the "dong"?
I bored my TBs to 2", but it was a waste of time. I didn't install the TBs until 2 weeks after I installed the manifold. Although the intake made a major difference in my 1/4 mile times (I race every week), the TBs made NO difference at all. I generally shift at 6000 - 6200 rpms.
Boring the TBs however, doesn't affect the capacity of fuel delivery system. It affects the amount if AIR that can get into the engine. Increasing the fuel pressure or using larger injectors can increase the ability to add fuel, but boring the TBs cannot.
RACE ON!!!
I bored my TBs to 2", but it was a waste of time. I didn't install the TBs until 2 weeks after I installed the manifold. Although the intake made a major difference in my 1/4 mile times (I race every week), the TBs made NO difference at all. I generally shift at 6000 - 6200 rpms.
Boring the TBs however, doesn't affect the capacity of fuel delivery system. It affects the amount if AIR that can get into the engine. Increasing the fuel pressure or using larger injectors can increase the ability to add fuel, but boring the TBs cannot.
RACE ON!!!